Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1 | /* |
| 2 | * soc-dapm.c -- ALSA SoC Dynamic Audio Power Management |
| 3 | * |
| 4 | * Copyright 2005 Wolfson Microelectronics PLC. |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 5 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2 of the License, or (at your |
| 10 | * option) any later version. |
| 11 | * |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 12 | * Features: |
| 13 | * o Changes power status of internal codec blocks depending on the |
| 14 | * dynamic configuration of codec internal audio paths and active |
Mark Brown | 74b8f95 | 2009-06-06 11:26:15 +0100 | [diff] [blame] | 15 | * DACs/ADCs. |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 16 | * o Platform power domain - can support external components i.e. amps and |
Liam Girdwood | 612a3fe | 2012-02-06 16:05:29 +0000 | [diff] [blame] | 17 | * mic/headphone insertion events. |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 18 | * o Automatic Mic Bias support |
| 19 | * o Jack insertion power event initiation - e.g. hp insertion will enable |
| 20 | * sinks, dacs, etc |
Liam Girdwood | 612a3fe | 2012-02-06 16:05:29 +0000 | [diff] [blame] | 21 | * o Delayed power down of audio subsystem to reduce pops between a quick |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 22 | * device reopen. |
| 23 | * |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 24 | */ |
| 25 | |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/moduleparam.h> |
| 28 | #include <linux/init.h> |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 29 | #include <linux/async.h> |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 30 | #include <linux/delay.h> |
| 31 | #include <linux/pm.h> |
| 32 | #include <linux/bitops.h> |
| 33 | #include <linux/platform_device.h> |
| 34 | #include <linux/jiffies.h> |
Takashi Iwai | 20496ff | 2009-08-24 09:40:34 +0200 | [diff] [blame] | 35 | #include <linux/debugfs.h> |
Mark Brown | f1aac48 | 2011-12-05 15:17:06 +0000 | [diff] [blame] | 36 | #include <linux/pm_runtime.h> |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 37 | #include <linux/regulator/consumer.h> |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 38 | #include <linux/clk.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 39 | #include <linux/slab.h> |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 40 | #include <sound/core.h> |
| 41 | #include <sound/pcm.h> |
| 42 | #include <sound/pcm_params.h> |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 43 | #include <sound/soc.h> |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 44 | #include <sound/initval.h> |
| 45 | |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 46 | #include <trace/events/asoc.h> |
| 47 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 48 | #define DAPM_UPDATE_STAT(widget, val) widget->dapm->card->dapm_stats.val++; |
| 49 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 50 | static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, |
| 51 | struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink, |
| 52 | const char *control, |
| 53 | int (*connected)(struct snd_soc_dapm_widget *source, |
| 54 | struct snd_soc_dapm_widget *sink)); |
| 55 | static struct snd_soc_dapm_widget * |
| 56 | snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, |
| 57 | const struct snd_soc_dapm_widget *widget); |
| 58 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 59 | /* dapm power sequences - make this per codec in the future */ |
| 60 | static int dapm_up_seq[] = { |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 61 | [snd_soc_dapm_pre] = 0, |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 62 | [snd_soc_dapm_regulator_supply] = 1, |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 63 | [snd_soc_dapm_clock_supply] = 1, |
Mark Brown | 1dd275b | 2013-10-09 13:56:37 +0100 | [diff] [blame] | 64 | [snd_soc_dapm_supply] = 2, |
| 65 | [snd_soc_dapm_micbias] = 3, |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 66 | [snd_soc_dapm_dai_link] = 2, |
Mark Brown | 1dd275b | 2013-10-09 13:56:37 +0100 | [diff] [blame] | 67 | [snd_soc_dapm_dai_in] = 4, |
| 68 | [snd_soc_dapm_dai_out] = 4, |
| 69 | [snd_soc_dapm_aif_in] = 4, |
| 70 | [snd_soc_dapm_aif_out] = 4, |
| 71 | [snd_soc_dapm_mic] = 5, |
| 72 | [snd_soc_dapm_mux] = 6, |
Mark Brown | 1dd275b | 2013-10-09 13:56:37 +0100 | [diff] [blame] | 73 | [snd_soc_dapm_dac] = 7, |
| 74 | [snd_soc_dapm_switch] = 8, |
| 75 | [snd_soc_dapm_mixer] = 8, |
| 76 | [snd_soc_dapm_mixer_named_ctl] = 8, |
| 77 | [snd_soc_dapm_pga] = 9, |
| 78 | [snd_soc_dapm_adc] = 10, |
| 79 | [snd_soc_dapm_out_drv] = 11, |
| 80 | [snd_soc_dapm_hp] = 11, |
| 81 | [snd_soc_dapm_spk] = 11, |
| 82 | [snd_soc_dapm_line] = 11, |
| 83 | [snd_soc_dapm_kcontrol] = 12, |
| 84 | [snd_soc_dapm_post] = 13, |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 85 | }; |
Ian Molton | ca9c1aa | 2009-01-06 20:11:51 +0000 | [diff] [blame] | 86 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 87 | static int dapm_down_seq[] = { |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 88 | [snd_soc_dapm_pre] = 0, |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 89 | [snd_soc_dapm_kcontrol] = 1, |
| 90 | [snd_soc_dapm_adc] = 2, |
| 91 | [snd_soc_dapm_hp] = 3, |
| 92 | [snd_soc_dapm_spk] = 3, |
| 93 | [snd_soc_dapm_line] = 3, |
| 94 | [snd_soc_dapm_out_drv] = 3, |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 95 | [snd_soc_dapm_pga] = 4, |
Lars-Peter Clausen | efc77e3 | 2013-06-14 13:16:50 +0200 | [diff] [blame] | 96 | [snd_soc_dapm_switch] = 5, |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 97 | [snd_soc_dapm_mixer_named_ctl] = 5, |
Mark Brown | e3d4dab | 2009-06-07 13:08:45 +0100 | [diff] [blame] | 98 | [snd_soc_dapm_mixer] = 5, |
| 99 | [snd_soc_dapm_dac] = 6, |
| 100 | [snd_soc_dapm_mic] = 7, |
| 101 | [snd_soc_dapm_micbias] = 8, |
| 102 | [snd_soc_dapm_mux] = 9, |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 103 | [snd_soc_dapm_aif_in] = 10, |
| 104 | [snd_soc_dapm_aif_out] = 10, |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 105 | [snd_soc_dapm_dai_in] = 10, |
| 106 | [snd_soc_dapm_dai_out] = 10, |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 107 | [snd_soc_dapm_dai_link] = 11, |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 108 | [snd_soc_dapm_supply] = 12, |
Mark Brown | 1dd275b | 2013-10-09 13:56:37 +0100 | [diff] [blame] | 109 | [snd_soc_dapm_clock_supply] = 13, |
| 110 | [snd_soc_dapm_regulator_supply] = 13, |
| 111 | [snd_soc_dapm_post] = 14, |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 112 | }; |
| 113 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 114 | static void dapm_assert_locked(struct snd_soc_dapm_context *dapm) |
| 115 | { |
| 116 | if (dapm->card && dapm->card->instantiated) |
| 117 | lockdep_assert_held(&dapm->card->dapm_mutex); |
| 118 | } |
| 119 | |
Troy Kisky | 12ef193 | 2008-10-13 17:42:14 -0700 | [diff] [blame] | 120 | static void pop_wait(u32 pop_time) |
Mark Brown | 15e4c72 | 2008-07-02 11:51:20 +0100 | [diff] [blame] | 121 | { |
| 122 | if (pop_time) |
| 123 | schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time)); |
| 124 | } |
| 125 | |
Jarkko Nikula | fd8d3bc | 2010-11-09 14:40:28 +0200 | [diff] [blame] | 126 | static void pop_dbg(struct device *dev, u32 pop_time, const char *fmt, ...) |
Mark Brown | 15e4c72 | 2008-07-02 11:51:20 +0100 | [diff] [blame] | 127 | { |
| 128 | va_list args; |
Jarkko Nikula | fd8d3bc | 2010-11-09 14:40:28 +0200 | [diff] [blame] | 129 | char *buf; |
| 130 | |
| 131 | if (!pop_time) |
| 132 | return; |
| 133 | |
| 134 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
| 135 | if (buf == NULL) |
| 136 | return; |
Mark Brown | 15e4c72 | 2008-07-02 11:51:20 +0100 | [diff] [blame] | 137 | |
| 138 | va_start(args, fmt); |
Jarkko Nikula | fd8d3bc | 2010-11-09 14:40:28 +0200 | [diff] [blame] | 139 | vsnprintf(buf, PAGE_SIZE, fmt, args); |
Takashi Iwai | 9d01df0 | 2010-12-22 14:08:40 +0100 | [diff] [blame] | 140 | dev_info(dev, "%s", buf); |
Mark Brown | 15e4c72 | 2008-07-02 11:51:20 +0100 | [diff] [blame] | 141 | va_end(args); |
Jarkko Nikula | fd8d3bc | 2010-11-09 14:40:28 +0200 | [diff] [blame] | 142 | |
| 143 | kfree(buf); |
Mark Brown | 15e4c72 | 2008-07-02 11:51:20 +0100 | [diff] [blame] | 144 | } |
| 145 | |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 146 | static bool dapm_dirty_widget(struct snd_soc_dapm_widget *w) |
| 147 | { |
| 148 | return !list_empty(&w->dirty); |
| 149 | } |
| 150 | |
Mark Brown | 492c0a1 | 2014-03-06 16:15:48 +0800 | [diff] [blame] | 151 | static void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason) |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 152 | { |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 153 | dapm_assert_locked(w->dapm); |
| 154 | |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 155 | if (!dapm_dirty_widget(w)) { |
| 156 | dev_vdbg(w->dapm->dev, "Marking %s dirty due to %s\n", |
| 157 | w->name, reason); |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 158 | list_add_tail(&w->dirty, &w->dapm->card->dapm_dirty); |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 159 | } |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 160 | } |
| 161 | |
Mark Brown | e2d32ff | 2012-08-31 17:38:32 -0700 | [diff] [blame] | 162 | void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm) |
| 163 | { |
| 164 | struct snd_soc_card *card = dapm->card; |
| 165 | struct snd_soc_dapm_widget *w; |
| 166 | |
| 167 | mutex_lock(&card->dapm_mutex); |
| 168 | |
| 169 | list_for_each_entry(w, &card->widgets, list) { |
| 170 | switch (w->id) { |
| 171 | case snd_soc_dapm_input: |
| 172 | case snd_soc_dapm_output: |
| 173 | dapm_mark_dirty(w, "Rechecking inputs and outputs"); |
| 174 | break; |
| 175 | default: |
| 176 | break; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | mutex_unlock(&card->dapm_mutex); |
| 181 | } |
| 182 | EXPORT_SYMBOL_GPL(dapm_mark_io_dirty); |
| 183 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 184 | /* create a new dapm widget */ |
Takashi Iwai | 88cb429 | 2007-02-05 14:56:20 +0100 | [diff] [blame] | 185 | static inline struct snd_soc_dapm_widget *dapm_cnew_widget( |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 186 | const struct snd_soc_dapm_widget *_widget) |
| 187 | { |
Takashi Iwai | 88cb429 | 2007-02-05 14:56:20 +0100 | [diff] [blame] | 188 | return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 189 | } |
| 190 | |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 191 | struct dapm_kcontrol_data { |
Lars-Peter Clausen | cf7c1de | 2013-07-29 17:13:59 +0200 | [diff] [blame] | 192 | unsigned int value; |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 193 | struct snd_soc_dapm_widget *widget; |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 194 | struct list_head paths; |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 195 | struct snd_soc_dapm_widget_list *wlist; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 196 | }; |
| 197 | |
| 198 | static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, |
| 199 | struct snd_kcontrol *kcontrol) |
| 200 | { |
| 201 | struct dapm_kcontrol_data *data; |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 202 | struct soc_mixer_control *mc; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 203 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 204 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 205 | if (!data) { |
| 206 | dev_err(widget->dapm->dev, |
| 207 | "ASoC: can't allocate kcontrol data for %s\n", |
| 208 | widget->name); |
| 209 | return -ENOMEM; |
| 210 | } |
| 211 | |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 212 | INIT_LIST_HEAD(&data->paths); |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 213 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 214 | switch (widget->id) { |
| 215 | case snd_soc_dapm_switch: |
| 216 | case snd_soc_dapm_mixer: |
| 217 | case snd_soc_dapm_mixer_named_ctl: |
| 218 | mc = (struct soc_mixer_control *)kcontrol->private_value; |
| 219 | |
| 220 | if (mc->autodisable) { |
| 221 | struct snd_soc_dapm_widget template; |
| 222 | |
| 223 | memset(&template, 0, sizeof(template)); |
| 224 | template.reg = mc->reg; |
| 225 | template.mask = (1 << fls(mc->max)) - 1; |
| 226 | template.shift = mc->shift; |
| 227 | if (mc->invert) |
| 228 | template.off_val = mc->max; |
| 229 | else |
| 230 | template.off_val = 0; |
| 231 | template.on_val = template.off_val; |
| 232 | template.id = snd_soc_dapm_kcontrol; |
| 233 | template.name = kcontrol->id.name; |
| 234 | |
Lars-Peter Clausen | 2daabd7 | 2013-08-30 17:39:33 +0200 | [diff] [blame] | 235 | data->value = template.on_val; |
| 236 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 237 | data->widget = snd_soc_dapm_new_control(widget->dapm, |
| 238 | &template); |
| 239 | if (!data->widget) { |
| 240 | kfree(data); |
| 241 | return -ENOMEM; |
| 242 | } |
| 243 | } |
| 244 | break; |
| 245 | default: |
| 246 | break; |
| 247 | } |
| 248 | |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 249 | kcontrol->private_data = data; |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static void dapm_kcontrol_free(struct snd_kcontrol *kctl) |
| 255 | { |
| 256 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl); |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 257 | kfree(data->wlist); |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 258 | kfree(data); |
| 259 | } |
| 260 | |
| 261 | static struct snd_soc_dapm_widget_list *dapm_kcontrol_get_wlist( |
| 262 | const struct snd_kcontrol *kcontrol) |
| 263 | { |
| 264 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 265 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 266 | return data->wlist; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | static int dapm_kcontrol_add_widget(struct snd_kcontrol *kcontrol, |
| 270 | struct snd_soc_dapm_widget *widget) |
| 271 | { |
| 272 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 273 | struct snd_soc_dapm_widget_list *new_wlist; |
| 274 | unsigned int n; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 275 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 276 | if (data->wlist) |
| 277 | n = data->wlist->num_widgets + 1; |
| 278 | else |
| 279 | n = 1; |
| 280 | |
| 281 | new_wlist = krealloc(data->wlist, |
| 282 | sizeof(*new_wlist) + sizeof(widget) * n, GFP_KERNEL); |
| 283 | if (!new_wlist) |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 284 | return -ENOMEM; |
| 285 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 286 | new_wlist->widgets[n - 1] = widget; |
| 287 | new_wlist->num_widgets = n; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 288 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 289 | data->wlist = new_wlist; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 290 | |
| 291 | return 0; |
| 292 | } |
| 293 | |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 294 | static void dapm_kcontrol_add_path(const struct snd_kcontrol *kcontrol, |
| 295 | struct snd_soc_dapm_path *path) |
| 296 | { |
| 297 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 298 | |
| 299 | list_add_tail(&path->list_kcontrol, &data->paths); |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 300 | |
| 301 | if (data->widget) { |
| 302 | snd_soc_dapm_add_path(data->widget->dapm, data->widget, |
| 303 | path->source, NULL, NULL); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static bool dapm_kcontrol_is_powered(const struct snd_kcontrol *kcontrol) |
| 308 | { |
| 309 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 310 | |
| 311 | if (!data->widget) |
| 312 | return true; |
| 313 | |
| 314 | return data->widget->power; |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | static struct list_head *dapm_kcontrol_get_path_list( |
| 318 | const struct snd_kcontrol *kcontrol) |
| 319 | { |
| 320 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 321 | |
| 322 | return &data->paths; |
| 323 | } |
| 324 | |
| 325 | #define dapm_kcontrol_for_each_path(path, kcontrol) \ |
| 326 | list_for_each_entry(path, dapm_kcontrol_get_path_list(kcontrol), \ |
| 327 | list_kcontrol) |
| 328 | |
Subhransu S. Prusty | 5dc0158a | 2014-09-19 16:46:05 +0530 | [diff] [blame] | 329 | unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol) |
Lars-Peter Clausen | cf7c1de | 2013-07-29 17:13:59 +0200 | [diff] [blame] | 330 | { |
| 331 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 332 | |
| 333 | return data->value; |
| 334 | } |
Subhransu S. Prusty | 5dc0158a | 2014-09-19 16:46:05 +0530 | [diff] [blame] | 335 | EXPORT_SYMBOL_GPL(dapm_kcontrol_get_value); |
Lars-Peter Clausen | cf7c1de | 2013-07-29 17:13:59 +0200 | [diff] [blame] | 336 | |
| 337 | static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol, |
| 338 | unsigned int value) |
| 339 | { |
| 340 | struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); |
| 341 | |
| 342 | if (data->value == value) |
| 343 | return false; |
| 344 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 345 | if (data->widget) |
| 346 | data->widget->on_val = value; |
| 347 | |
Lars-Peter Clausen | cf7c1de | 2013-07-29 17:13:59 +0200 | [diff] [blame] | 348 | data->value = value; |
| 349 | |
| 350 | return true; |
| 351 | } |
| 352 | |
Lars-Peter Clausen | eee5d7f | 2013-07-29 17:13:57 +0200 | [diff] [blame] | 353 | /** |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 354 | * snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a |
| 355 | * kcontrol |
| 356 | * @kcontrol: The kcontrol |
| 357 | * |
| 358 | * Note: This function must only be used on kcontrols that are known to have |
| 359 | * been registered for a CODEC. Otherwise the behaviour is undefined. |
| 360 | */ |
| 361 | struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( |
| 362 | struct snd_kcontrol *kcontrol) |
| 363 | { |
| 364 | return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->dapm; |
| 365 | } |
| 366 | EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_dapm); |
| 367 | |
| 368 | /** |
Lars-Peter Clausen | eee5d7f | 2013-07-29 17:13:57 +0200 | [diff] [blame] | 369 | * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol |
| 370 | * @kcontrol: The kcontrol |
| 371 | */ |
| 372 | struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol) |
| 373 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 374 | return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); |
Lars-Peter Clausen | eee5d7f | 2013-07-29 17:13:57 +0200 | [diff] [blame] | 375 | } |
| 376 | EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_codec); |
| 377 | |
Liam Girdwood | 6c120e1 | 2012-02-15 15:15:34 +0000 | [diff] [blame] | 378 | static void dapm_reset(struct snd_soc_card *card) |
| 379 | { |
| 380 | struct snd_soc_dapm_widget *w; |
| 381 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 382 | lockdep_assert_held(&card->dapm_mutex); |
| 383 | |
Liam Girdwood | 6c120e1 | 2012-02-15 15:15:34 +0000 | [diff] [blame] | 384 | memset(&card->dapm_stats, 0, sizeof(card->dapm_stats)); |
| 385 | |
| 386 | list_for_each_entry(w, &card->widgets, list) { |
Lars-Peter Clausen | 39eb5fd | 2013-07-29 17:14:03 +0200 | [diff] [blame] | 387 | w->new_power = w->power; |
Liam Girdwood | 6c120e1 | 2012-02-15 15:15:34 +0000 | [diff] [blame] | 388 | w->power_checked = false; |
| 389 | w->inputs = -1; |
| 390 | w->outputs = -1; |
| 391 | } |
| 392 | } |
| 393 | |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 394 | static const char *soc_dapm_prefix(struct snd_soc_dapm_context *dapm) |
| 395 | { |
| 396 | if (!dapm->component) |
| 397 | return NULL; |
| 398 | return dapm->component->name_prefix; |
| 399 | } |
| 400 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 401 | static int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg, |
Arun Shamanna Lakshmi | f7d3c17 | 2014-01-14 15:31:54 -0800 | [diff] [blame] | 402 | unsigned int *value) |
Liam Girdwood | 0445bdf | 2011-06-13 19:37:36 +0100 | [diff] [blame] | 403 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 404 | if (!dapm->component) |
Lars-Peter Clausen | e2c330b | 2014-04-22 13:23:13 +0200 | [diff] [blame] | 405 | return -EIO; |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 406 | return snd_soc_component_read(dapm->component, reg, value); |
Liam Girdwood | 0445bdf | 2011-06-13 19:37:36 +0100 | [diff] [blame] | 407 | } |
| 408 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 409 | static int soc_dapm_update_bits(struct snd_soc_dapm_context *dapm, |
Bard Liao | 3477501 | 2014-04-17 20:12:56 +0800 | [diff] [blame] | 410 | int reg, unsigned int mask, unsigned int value) |
Liam Girdwood | 0445bdf | 2011-06-13 19:37:36 +0100 | [diff] [blame] | 411 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 412 | if (!dapm->component) |
Lars-Peter Clausen | e2c330b | 2014-04-22 13:23:13 +0200 | [diff] [blame] | 413 | return -EIO; |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 414 | return snd_soc_component_update_bits_async(dapm->component, reg, |
Lars-Peter Clausen | e2c330b | 2014-04-22 13:23:13 +0200 | [diff] [blame] | 415 | mask, value); |
Liam Girdwood | 49575fb5 | 2012-03-06 18:16:19 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 418 | static int soc_dapm_test_bits(struct snd_soc_dapm_context *dapm, |
| 419 | int reg, unsigned int mask, unsigned int value) |
| 420 | { |
| 421 | if (!dapm->component) |
| 422 | return -EIO; |
| 423 | return snd_soc_component_test_bits(dapm->component, reg, mask, value); |
| 424 | } |
| 425 | |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 426 | static void soc_dapm_async_complete(struct snd_soc_dapm_context *dapm) |
| 427 | { |
Lars-Peter Clausen | e2c330b | 2014-04-22 13:23:13 +0200 | [diff] [blame] | 428 | if (dapm->component) |
| 429 | snd_soc_component_async_complete(dapm->component); |
Liam Girdwood | 0445bdf | 2011-06-13 19:37:36 +0100 | [diff] [blame] | 430 | } |
| 431 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 432 | /** |
| 433 | * snd_soc_dapm_set_bias_level - set the bias level for the system |
Mark Brown | ed5a4c4 | 2011-02-18 11:12:42 -0800 | [diff] [blame] | 434 | * @dapm: DAPM context |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 435 | * @level: level to configure |
| 436 | * |
| 437 | * Configure the bias (power) levels for the SoC audio device. |
| 438 | * |
| 439 | * Returns 0 for success else error. |
| 440 | */ |
Mark Brown | ed5a4c4 | 2011-02-18 11:12:42 -0800 | [diff] [blame] | 441 | static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm, |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 442 | enum snd_soc_bias_level level) |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 443 | { |
Mark Brown | ed5a4c4 | 2011-02-18 11:12:42 -0800 | [diff] [blame] | 444 | struct snd_soc_card *card = dapm->card; |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 445 | int ret = 0; |
| 446 | |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 447 | trace_snd_soc_bias_level_start(card, level); |
| 448 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 449 | if (card && card->set_bias_level) |
Mark Brown | d4c6005 | 2011-06-06 19:13:23 +0100 | [diff] [blame] | 450 | ret = card->set_bias_level(card, dapm, level); |
Mark Brown | 171ec6b | 2011-06-06 18:15:19 +0100 | [diff] [blame] | 451 | if (ret != 0) |
| 452 | goto out; |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 453 | |
Lars-Peter Clausen | 68f831c | 2014-06-16 18:13:05 +0200 | [diff] [blame] | 454 | if (dapm->set_bias_level) |
| 455 | ret = dapm->set_bias_level(dapm, level); |
| 456 | else if (!card || dapm != &card->dapm) |
Liam Girdwood | 4123128 | 2012-07-06 16:56:16 +0100 | [diff] [blame] | 457 | dapm->bias_level = level; |
| 458 | |
Mark Brown | 171ec6b | 2011-06-06 18:15:19 +0100 | [diff] [blame] | 459 | if (ret != 0) |
| 460 | goto out; |
| 461 | |
| 462 | if (card && card->set_bias_level_post) |
Mark Brown | d4c6005 | 2011-06-06 19:13:23 +0100 | [diff] [blame] | 463 | ret = card->set_bias_level_post(card, dapm, level); |
Mark Brown | 171ec6b | 2011-06-06 18:15:19 +0100 | [diff] [blame] | 464 | out: |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 465 | trace_snd_soc_bias_level_done(card, level); |
| 466 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 467 | return ret; |
| 468 | } |
| 469 | |
Mark Brown | 74b8f95 | 2009-06-06 11:26:15 +0100 | [diff] [blame] | 470 | /* connect mux widget to its interconnecting audio paths */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 471 | static int dapm_connect_mux(struct snd_soc_dapm_context *dapm, |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 472 | struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest, |
| 473 | struct snd_soc_dapm_path *path, const char *control_name, |
| 474 | const struct snd_kcontrol_new *kcontrol) |
| 475 | { |
| 476 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 477 | unsigned int val, item; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 478 | int i; |
| 479 | |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 480 | if (e->reg != SND_SOC_NOPM) { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 481 | soc_dapm_read(dapm, e->reg, &val); |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 482 | val = (val >> e->shift_l) & e->mask; |
| 483 | item = snd_soc_enum_val_to_item(e, val); |
| 484 | } else { |
| 485 | /* since a virtual mux has no backing registers to |
| 486 | * decide which path to connect, it will try to match |
| 487 | * with the first enumeration. This is to ensure |
| 488 | * that the default mux choice (the first) will be |
| 489 | * correctly powered up during initialization. |
| 490 | */ |
| 491 | item = 0; |
| 492 | } |
| 493 | |
Takashi Iwai | 9a8d38d | 2014-02-18 08:11:42 +0100 | [diff] [blame] | 494 | for (i = 0; i < e->items; i++) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 495 | if (!(strcmp(control_name, e->texts[i]))) { |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 496 | list_add(&path->list, &dapm->card->paths); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 497 | list_add(&path->list_sink, &dest->sources); |
| 498 | list_add(&path->list_source, &src->sinks); |
Rasmus Villemoes | 98ad73c | 2014-10-21 17:01:15 +0200 | [diff] [blame] | 499 | path->name = e->texts[i]; |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 500 | if (i == item) |
| 501 | path->connect = 1; |
| 502 | else |
| 503 | path->connect = 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 504 | return 0; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | return -ENODEV; |
| 509 | } |
| 510 | |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 511 | /* set up initial codec paths */ |
| 512 | static void dapm_set_mixer_path_status(struct snd_soc_dapm_widget *w, |
| 513 | struct snd_soc_dapm_path *p, int i) |
| 514 | { |
| 515 | struct soc_mixer_control *mc = (struct soc_mixer_control *) |
| 516 | w->kcontrol_news[i].private_value; |
| 517 | unsigned int reg = mc->reg; |
| 518 | unsigned int shift = mc->shift; |
| 519 | unsigned int max = mc->max; |
| 520 | unsigned int mask = (1 << fls(max)) - 1; |
| 521 | unsigned int invert = mc->invert; |
| 522 | unsigned int val; |
| 523 | |
| 524 | if (reg != SND_SOC_NOPM) { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 525 | soc_dapm_read(w->dapm, reg, &val); |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 526 | val = (val >> shift) & mask; |
| 527 | if (invert) |
| 528 | val = max - val; |
| 529 | p->connect = !!val; |
| 530 | } else { |
| 531 | p->connect = 0; |
| 532 | } |
| 533 | } |
| 534 | |
Mark Brown | 74b8f95 | 2009-06-06 11:26:15 +0100 | [diff] [blame] | 535 | /* connect mixer widget to its interconnecting audio paths */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 536 | static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm, |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 537 | struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest, |
| 538 | struct snd_soc_dapm_path *path, const char *control_name) |
| 539 | { |
| 540 | int i; |
| 541 | |
| 542 | /* search for mixer kcontrol */ |
| 543 | for (i = 0; i < dest->num_kcontrols; i++) { |
Stephen Warren | 82cfecd | 2011-04-28 17:37:58 -0600 | [diff] [blame] | 544 | if (!strcmp(control_name, dest->kcontrol_news[i].name)) { |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 545 | list_add(&path->list, &dapm->card->paths); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 546 | list_add(&path->list_sink, &dest->sources); |
| 547 | list_add(&path->list_source, &src->sinks); |
Stephen Warren | 82cfecd | 2011-04-28 17:37:58 -0600 | [diff] [blame] | 548 | path->name = dest->kcontrol_news[i].name; |
Lars-Peter Clausen | 234c0b8 | 2014-02-28 08:31:12 +0100 | [diff] [blame] | 549 | dapm_set_mixer_path_status(dest, path, i); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 550 | return 0; |
| 551 | } |
| 552 | } |
| 553 | return -ENODEV; |
| 554 | } |
| 555 | |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 556 | static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm, |
Stephen Warren | 1007da0 | 2011-05-26 09:57:33 -0600 | [diff] [blame] | 557 | struct snd_soc_dapm_widget *kcontrolw, |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 558 | const struct snd_kcontrol_new *kcontrol_new, |
| 559 | struct snd_kcontrol **kcontrol) |
| 560 | { |
| 561 | struct snd_soc_dapm_widget *w; |
| 562 | int i; |
| 563 | |
| 564 | *kcontrol = NULL; |
| 565 | |
| 566 | list_for_each_entry(w, &dapm->card->widgets, list) { |
Stephen Warren | 1007da0 | 2011-05-26 09:57:33 -0600 | [diff] [blame] | 567 | if (w == kcontrolw || w->dapm != kcontrolw->dapm) |
| 568 | continue; |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 569 | for (i = 0; i < w->num_kcontrols; i++) { |
| 570 | if (&w->kcontrol_news[i] == kcontrol_new) { |
| 571 | if (w->kcontrols) |
| 572 | *kcontrol = w->kcontrols[i]; |
| 573 | return 1; |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | return 0; |
| 579 | } |
| 580 | |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 581 | /* |
| 582 | * Determine if a kcontrol is shared. If it is, look it up. If it isn't, |
| 583 | * create it. Either way, add the widget into the control's widget list |
| 584 | */ |
| 585 | static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, |
Mark Brown | 946d92a | 2013-08-12 23:28:42 +0100 | [diff] [blame] | 586 | int kci) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 587 | { |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 588 | struct snd_soc_dapm_context *dapm = w->dapm; |
Mark Brown | 12ea2c7 | 2011-03-02 18:17:32 +0000 | [diff] [blame] | 589 | struct snd_card *card = dapm->card->snd_card; |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 590 | const char *prefix; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 591 | size_t prefix_len; |
| 592 | int shared; |
| 593 | struct snd_kcontrol *kcontrol; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 594 | bool wname_in_long_name, kcname_in_long_name; |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 595 | char *long_name = NULL; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 596 | const char *name; |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 597 | int ret = 0; |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 598 | |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 599 | prefix = soc_dapm_prefix(dapm); |
Mark Brown | 3e5ff4d | 2011-03-09 11:33:09 +0000 | [diff] [blame] | 600 | if (prefix) |
| 601 | prefix_len = strlen(prefix) + 1; |
| 602 | else |
| 603 | prefix_len = 0; |
| 604 | |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 605 | shared = dapm_is_shared_kcontrol(dapm, w, &w->kcontrol_news[kci], |
| 606 | &kcontrol); |
| 607 | |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 608 | if (!kcontrol) { |
| 609 | if (shared) { |
| 610 | wname_in_long_name = false; |
| 611 | kcname_in_long_name = true; |
| 612 | } else { |
| 613 | switch (w->id) { |
| 614 | case snd_soc_dapm_switch: |
| 615 | case snd_soc_dapm_mixer: |
| 616 | wname_in_long_name = true; |
| 617 | kcname_in_long_name = true; |
| 618 | break; |
| 619 | case snd_soc_dapm_mixer_named_ctl: |
| 620 | wname_in_long_name = false; |
| 621 | kcname_in_long_name = true; |
| 622 | break; |
| 623 | case snd_soc_dapm_mux: |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 624 | wname_in_long_name = true; |
| 625 | kcname_in_long_name = false; |
| 626 | break; |
| 627 | default: |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 628 | return -EINVAL; |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | if (wname_in_long_name && kcname_in_long_name) { |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 633 | /* |
| 634 | * The control will get a prefix from the control |
| 635 | * creation process but we're also using the same |
| 636 | * prefix for widgets so cut the prefix off the |
| 637 | * front of the widget name. |
| 638 | */ |
Lars-Peter Clausen | 2b58107 | 2013-05-14 11:05:32 +0200 | [diff] [blame] | 639 | long_name = kasprintf(GFP_KERNEL, "%s %s", |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 640 | w->name + prefix_len, |
| 641 | w->kcontrol_news[kci].name); |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 642 | if (long_name == NULL) |
Lars-Peter Clausen | 2b58107 | 2013-05-14 11:05:32 +0200 | [diff] [blame] | 643 | return -ENOMEM; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 644 | |
| 645 | name = long_name; |
| 646 | } else if (wname_in_long_name) { |
| 647 | long_name = NULL; |
| 648 | name = w->name + prefix_len; |
| 649 | } else { |
| 650 | long_name = NULL; |
| 651 | name = w->kcontrol_news[kci].name; |
| 652 | } |
| 653 | |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 654 | kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], NULL, name, |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 655 | prefix); |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 656 | if (!kcontrol) { |
| 657 | ret = -ENOMEM; |
| 658 | goto exit_free; |
| 659 | } |
| 660 | |
Lars-Peter Clausen | 9356e9d | 2013-08-01 14:08:06 +0200 | [diff] [blame] | 661 | kcontrol->private_free = dapm_kcontrol_free; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 662 | |
| 663 | ret = dapm_kcontrol_data_alloc(w, kcontrol); |
| 664 | if (ret) { |
| 665 | snd_ctl_free_one(kcontrol); |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 666 | goto exit_free; |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 667 | } |
| 668 | |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 669 | ret = snd_ctl_add(card, kcontrol); |
| 670 | if (ret < 0) { |
| 671 | dev_err(dapm->dev, |
| 672 | "ASoC: failed to add widget %s dapm kcontrol %s: %d\n", |
| 673 | w->name, name, ret); |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 674 | goto exit_free; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 675 | } |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 676 | } |
| 677 | |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 678 | ret = dapm_kcontrol_add_widget(kcontrol, w); |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 679 | if (ret == 0) |
| 680 | w->kcontrols[kci] = kcontrol; |
Lars-Peter Clausen | 2c75bdf | 2013-08-01 14:08:07 +0200 | [diff] [blame] | 681 | |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 682 | exit_free: |
| 683 | kfree(long_name); |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 684 | |
Daniel Mack | e5092c9 | 2014-10-07 13:41:24 +0200 | [diff] [blame] | 685 | return ret; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | /* create new dapm mixer control */ |
| 689 | static int dapm_new_mixer(struct snd_soc_dapm_widget *w) |
| 690 | { |
| 691 | int i, ret; |
| 692 | struct snd_soc_dapm_path *path; |
| 693 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 694 | /* add kcontrol */ |
| 695 | for (i = 0; i < w->num_kcontrols; i++) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 696 | /* match name */ |
| 697 | list_for_each_entry(path, &w->sources, list_sink) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 698 | /* mixer/mux paths name must match control name */ |
Stephen Warren | 82cfecd | 2011-04-28 17:37:58 -0600 | [diff] [blame] | 699 | if (path->name != (char *)w->kcontrol_news[i].name) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 700 | continue; |
| 701 | |
Lars-Peter Clausen | 82cd876 | 2011-08-15 20:15:21 +0200 | [diff] [blame] | 702 | if (w->kcontrols[i]) { |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 703 | dapm_kcontrol_add_path(w->kcontrols[i], path); |
Lars-Peter Clausen | 82cd876 | 2011-08-15 20:15:21 +0200 | [diff] [blame] | 704 | continue; |
| 705 | } |
| 706 | |
Mark Brown | 946d92a | 2013-08-12 23:28:42 +0100 | [diff] [blame] | 707 | ret = dapm_create_or_share_mixmux_kcontrol(w, i); |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 708 | if (ret < 0) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 709 | return ret; |
Mark Brown | 946d92a | 2013-08-12 23:28:42 +0100 | [diff] [blame] | 710 | |
| 711 | dapm_kcontrol_add_path(w->kcontrols[i], path); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 712 | } |
| 713 | } |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 714 | |
| 715 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 716 | } |
| 717 | |
| 718 | /* create new dapm mux control */ |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 719 | static int dapm_new_mux(struct snd_soc_dapm_widget *w) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 720 | { |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 721 | struct snd_soc_dapm_context *dapm = w->dapm; |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 722 | struct snd_soc_dapm_path *path; |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 723 | int ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 724 | |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 725 | if (w->num_kcontrols != 1) { |
| 726 | dev_err(dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 727 | "ASoC: mux %s has incorrect number of controls\n", |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 728 | w->name); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 729 | return -EINVAL; |
| 730 | } |
| 731 | |
Lars-Peter Clausen | fe58139 | 2013-08-01 18:30:38 +0200 | [diff] [blame] | 732 | if (list_empty(&w->sources)) { |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 733 | dev_err(dapm->dev, "ASoC: mux %s has no paths\n", w->name); |
| 734 | return -EINVAL; |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 735 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 736 | |
Mark Brown | 946d92a | 2013-08-12 23:28:42 +0100 | [diff] [blame] | 737 | ret = dapm_create_or_share_mixmux_kcontrol(w, 0); |
Stephen Warren | 85762e7 | 2013-03-29 15:40:10 -0600 | [diff] [blame] | 738 | if (ret < 0) |
| 739 | return ret; |
Stephen Warren | fad5988 | 2011-04-28 17:37:59 -0600 | [diff] [blame] | 740 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 741 | list_for_each_entry(path, &w->sources, list_sink) |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 742 | dapm_kcontrol_add_path(w->kcontrols[0], path); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 743 | |
Stephen Warren | af46800 | 2011-04-28 17:38:01 -0600 | [diff] [blame] | 744 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 745 | } |
| 746 | |
| 747 | /* create new dapm volume control */ |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 748 | static int dapm_new_pga(struct snd_soc_dapm_widget *w) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 749 | { |
Mark Brown | a6c6573 | 2010-03-03 17:45:21 +0000 | [diff] [blame] | 750 | if (w->num_kcontrols) |
Jarkko Nikula | f7d41ae | 2010-11-09 14:40:27 +0200 | [diff] [blame] | 751 | dev_err(w->dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 752 | "ASoC: PGA controls not supported: '%s'\n", w->name); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 753 | |
Mark Brown | a6c6573 | 2010-03-03 17:45:21 +0000 | [diff] [blame] | 754 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | /* reset 'walked' bit for each dapm path */ |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 758 | static void dapm_clear_walk_output(struct snd_soc_dapm_context *dapm, |
| 759 | struct list_head *sink) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 760 | { |
| 761 | struct snd_soc_dapm_path *p; |
| 762 | |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 763 | list_for_each_entry(p, sink, list_source) { |
| 764 | if (p->walked) { |
| 765 | p->walked = 0; |
| 766 | dapm_clear_walk_output(dapm, &p->sink->sinks); |
| 767 | } |
| 768 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 769 | } |
| 770 | |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 771 | static void dapm_clear_walk_input(struct snd_soc_dapm_context *dapm, |
| 772 | struct list_head *source) |
| 773 | { |
| 774 | struct snd_soc_dapm_path *p; |
| 775 | |
| 776 | list_for_each_entry(p, source, list_sink) { |
| 777 | if (p->walked) { |
| 778 | p->walked = 0; |
| 779 | dapm_clear_walk_input(dapm, &p->source->sources); |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 785 | /* We implement power down on suspend by checking the power state of |
| 786 | * the ALSA card - when we are suspending the ALSA state for the card |
| 787 | * is set to D3. |
| 788 | */ |
| 789 | static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget) |
| 790 | { |
Mark Brown | 12ea2c7 | 2011-03-02 18:17:32 +0000 | [diff] [blame] | 791 | int level = snd_power_get_state(widget->dapm->card->snd_card); |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 792 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 793 | switch (level) { |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 794 | case SNDRV_CTL_POWER_D3hot: |
| 795 | case SNDRV_CTL_POWER_D3cold: |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 796 | if (widget->ignore_suspend) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 797 | dev_dbg(widget->dapm->dev, "ASoC: %s ignoring suspend\n", |
Jarkko Nikula | f7d41ae | 2010-11-09 14:40:27 +0200 | [diff] [blame] | 798 | widget->name); |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 799 | return widget->ignore_suspend; |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 800 | default: |
| 801 | return 1; |
| 802 | } |
| 803 | } |
| 804 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 805 | /* add widget to list if it's not already in the list */ |
| 806 | static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list, |
| 807 | struct snd_soc_dapm_widget *w) |
| 808 | { |
| 809 | struct snd_soc_dapm_widget_list *wlist; |
| 810 | int wlistsize, wlistentries, i; |
| 811 | |
| 812 | if (*list == NULL) |
| 813 | return -EINVAL; |
| 814 | |
| 815 | wlist = *list; |
| 816 | |
| 817 | /* is this widget already in the list */ |
| 818 | for (i = 0; i < wlist->num_widgets; i++) { |
| 819 | if (wlist->widgets[i] == w) |
| 820 | return 0; |
| 821 | } |
| 822 | |
| 823 | /* allocate some new space */ |
| 824 | wlistentries = wlist->num_widgets + 1; |
| 825 | wlistsize = sizeof(struct snd_soc_dapm_widget_list) + |
| 826 | wlistentries * sizeof(struct snd_soc_dapm_widget *); |
| 827 | *list = krealloc(wlist, wlistsize, GFP_KERNEL); |
| 828 | if (*list == NULL) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 829 | dev_err(w->dapm->dev, "ASoC: can't allocate widget list for %s\n", |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 830 | w->name); |
| 831 | return -ENOMEM; |
| 832 | } |
| 833 | wlist = *list; |
| 834 | |
| 835 | /* insert the widget */ |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 836 | dev_dbg(w->dapm->dev, "ASoC: added %s in widget list pos %d\n", |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 837 | w->name, wlist->num_widgets); |
| 838 | |
| 839 | wlist->widgets[wlist->num_widgets] = w; |
| 840 | wlist->num_widgets++; |
| 841 | return 1; |
| 842 | } |
| 843 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 844 | /* |
| 845 | * Recursively check for a completed path to an active or physically connected |
| 846 | * output widget. Returns number of complete paths. |
| 847 | */ |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 848 | static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, |
| 849 | struct snd_soc_dapm_widget_list **list) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 850 | { |
| 851 | struct snd_soc_dapm_path *path; |
| 852 | int con = 0; |
| 853 | |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 854 | if (widget->outputs >= 0) |
| 855 | return widget->outputs; |
| 856 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 857 | DAPM_UPDATE_STAT(widget, path_checks); |
| 858 | |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 859 | switch (widget->id) { |
| 860 | case snd_soc_dapm_supply: |
| 861 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 862 | case snd_soc_dapm_clock_supply: |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 863 | case snd_soc_dapm_kcontrol: |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 864 | return 0; |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 865 | default: |
| 866 | break; |
| 867 | } |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 868 | |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 869 | switch (widget->id) { |
| 870 | case snd_soc_dapm_adc: |
| 871 | case snd_soc_dapm_aif_out: |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 872 | case snd_soc_dapm_dai_out: |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 873 | if (widget->active) { |
| 874 | widget->outputs = snd_soc_dapm_suspend_check(widget); |
| 875 | return widget->outputs; |
| 876 | } |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 877 | default: |
| 878 | break; |
| 879 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 880 | |
| 881 | if (widget->connected) { |
| 882 | /* connected pin ? */ |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 883 | if (widget->id == snd_soc_dapm_output && !widget->ext) { |
| 884 | widget->outputs = snd_soc_dapm_suspend_check(widget); |
| 885 | return widget->outputs; |
| 886 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 887 | |
| 888 | /* connected jack or spk ? */ |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 889 | if (widget->id == snd_soc_dapm_hp || |
| 890 | widget->id == snd_soc_dapm_spk || |
| 891 | (widget->id == snd_soc_dapm_line && |
| 892 | !list_empty(&widget->sources))) { |
| 893 | widget->outputs = snd_soc_dapm_suspend_check(widget); |
| 894 | return widget->outputs; |
| 895 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 896 | } |
| 897 | |
| 898 | list_for_each_entry(path, &widget->sinks, list_source) { |
Mark Brown | e56235e | 2011-09-21 18:19:14 +0100 | [diff] [blame] | 899 | DAPM_UPDATE_STAT(widget, neighbour_checks); |
| 900 | |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 901 | if (path->weak) |
| 902 | continue; |
| 903 | |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 904 | if (path->walking) |
| 905 | return 1; |
| 906 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 907 | if (path->walked) |
| 908 | continue; |
| 909 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 910 | trace_snd_soc_dapm_output_path(widget, path); |
| 911 | |
Lars-Peter Clausen | 7ddd4cd | 2014-10-20 19:36:34 +0200 | [diff] [blame^] | 912 | if (path->connect) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 913 | path->walked = 1; |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 914 | path->walking = 1; |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 915 | |
| 916 | /* do we need to add this widget to the list ? */ |
| 917 | if (list) { |
| 918 | int err; |
| 919 | err = dapm_list_add_widget(list, path->sink); |
| 920 | if (err < 0) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 921 | dev_err(widget->dapm->dev, |
| 922 | "ASoC: could not add widget %s\n", |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 923 | widget->name); |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 924 | path->walking = 0; |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 925 | return con; |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | con += is_connected_output_ep(path->sink, list); |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 930 | |
| 931 | path->walking = 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 932 | } |
| 933 | } |
| 934 | |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 935 | widget->outputs = con; |
| 936 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 937 | return con; |
| 938 | } |
| 939 | |
| 940 | /* |
| 941 | * Recursively check for a completed path to an active or physically connected |
| 942 | * input widget. Returns number of complete paths. |
| 943 | */ |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 944 | static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, |
| 945 | struct snd_soc_dapm_widget_list **list) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 946 | { |
| 947 | struct snd_soc_dapm_path *path; |
| 948 | int con = 0; |
| 949 | |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 950 | if (widget->inputs >= 0) |
| 951 | return widget->inputs; |
| 952 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 953 | DAPM_UPDATE_STAT(widget, path_checks); |
| 954 | |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 955 | switch (widget->id) { |
| 956 | case snd_soc_dapm_supply: |
| 957 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 958 | case snd_soc_dapm_clock_supply: |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 959 | case snd_soc_dapm_kcontrol: |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 960 | return 0; |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 961 | default: |
| 962 | break; |
| 963 | } |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 964 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 965 | /* active stream ? */ |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 966 | switch (widget->id) { |
| 967 | case snd_soc_dapm_dac: |
| 968 | case snd_soc_dapm_aif_in: |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 969 | case snd_soc_dapm_dai_in: |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 970 | if (widget->active) { |
| 971 | widget->inputs = snd_soc_dapm_suspend_check(widget); |
| 972 | return widget->inputs; |
| 973 | } |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 974 | default: |
| 975 | break; |
| 976 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 977 | |
| 978 | if (widget->connected) { |
| 979 | /* connected pin ? */ |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 980 | if (widget->id == snd_soc_dapm_input && !widget->ext) { |
| 981 | widget->inputs = snd_soc_dapm_suspend_check(widget); |
| 982 | return widget->inputs; |
| 983 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 984 | |
| 985 | /* connected VMID/Bias for lower pops */ |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 986 | if (widget->id == snd_soc_dapm_vmid) { |
| 987 | widget->inputs = snd_soc_dapm_suspend_check(widget); |
| 988 | return widget->inputs; |
| 989 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 990 | |
| 991 | /* connected jack ? */ |
Peter Ujfalusi | eaeae5d | 2009-09-30 09:27:24 +0300 | [diff] [blame] | 992 | if (widget->id == snd_soc_dapm_mic || |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 993 | (widget->id == snd_soc_dapm_line && |
| 994 | !list_empty(&widget->sinks))) { |
| 995 | widget->inputs = snd_soc_dapm_suspend_check(widget); |
| 996 | return widget->inputs; |
| 997 | } |
| 998 | |
Mark Brown | 1ab97c8 | 2011-11-27 16:21:51 +0000 | [diff] [blame] | 999 | /* signal generator */ |
| 1000 | if (widget->id == snd_soc_dapm_siggen) { |
| 1001 | widget->inputs = snd_soc_dapm_suspend_check(widget); |
| 1002 | return widget->inputs; |
| 1003 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | list_for_each_entry(path, &widget->sources, list_sink) { |
Mark Brown | e56235e | 2011-09-21 18:19:14 +0100 | [diff] [blame] | 1007 | DAPM_UPDATE_STAT(widget, neighbour_checks); |
| 1008 | |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 1009 | if (path->weak) |
| 1010 | continue; |
| 1011 | |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 1012 | if (path->walking) |
| 1013 | return 1; |
| 1014 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1015 | if (path->walked) |
| 1016 | continue; |
| 1017 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1018 | trace_snd_soc_dapm_input_path(widget, path); |
| 1019 | |
Lars-Peter Clausen | 7ddd4cd | 2014-10-20 19:36:34 +0200 | [diff] [blame^] | 1020 | if (path->connect) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1021 | path->walked = 1; |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 1022 | path->walking = 1; |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1023 | |
| 1024 | /* do we need to add this widget to the list ? */ |
| 1025 | if (list) { |
| 1026 | int err; |
Liam Girdwood | 90c6ce0 | 2012-06-05 19:27:15 +0100 | [diff] [blame] | 1027 | err = dapm_list_add_widget(list, path->source); |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1028 | if (err < 0) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1029 | dev_err(widget->dapm->dev, |
| 1030 | "ASoC: could not add widget %s\n", |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1031 | widget->name); |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 1032 | path->walking = 0; |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1033 | return con; |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | con += is_connected_input_ep(path->source, list); |
Mark Brown | 8af294b | 2013-02-22 17:48:15 +0000 | [diff] [blame] | 1038 | |
| 1039 | path->walking = 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1040 | } |
| 1041 | } |
| 1042 | |
Mark Brown | 024dc07 | 2011-10-09 11:52:05 +0100 | [diff] [blame] | 1043 | widget->inputs = con; |
| 1044 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1045 | return con; |
| 1046 | } |
| 1047 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1048 | /** |
| 1049 | * snd_soc_dapm_get_connected_widgets - query audio path and it's widgets. |
| 1050 | * @dai: the soc DAI. |
| 1051 | * @stream: stream direction. |
| 1052 | * @list: list of active widgets for this stream. |
| 1053 | * |
| 1054 | * Queries DAPM graph as to whether an valid audio stream path exists for |
| 1055 | * the initial stream specified by name. This takes into account |
| 1056 | * current mixer and mux kcontrol settings. Creates list of valid widgets. |
| 1057 | * |
| 1058 | * Returns the number of valid paths or negative error. |
| 1059 | */ |
| 1060 | int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, |
| 1061 | struct snd_soc_dapm_widget_list **list) |
| 1062 | { |
| 1063 | struct snd_soc_card *card = dai->card; |
| 1064 | int paths; |
| 1065 | |
| 1066 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| 1067 | dapm_reset(card); |
| 1068 | |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1069 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) { |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1070 | paths = is_connected_output_ep(dai->playback_widget, list); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1071 | dapm_clear_walk_output(&card->dapm, |
| 1072 | &dai->playback_widget->sinks); |
| 1073 | } else { |
Liam Girdwood | d298caa | 2012-06-01 18:03:00 +0100 | [diff] [blame] | 1074 | paths = is_connected_input_ep(dai->capture_widget, list); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1075 | dapm_clear_walk_input(&card->dapm, |
| 1076 | &dai->capture_widget->sources); |
| 1077 | } |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1078 | |
| 1079 | trace_snd_soc_dapm_connected(paths, stream); |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1080 | mutex_unlock(&card->dapm_mutex); |
| 1081 | |
| 1082 | return paths; |
| 1083 | } |
| 1084 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1085 | /* |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 1086 | * Handler for regulator supply widget. |
| 1087 | */ |
| 1088 | int dapm_regulator_event(struct snd_soc_dapm_widget *w, |
| 1089 | struct snd_kcontrol *kcontrol, int event) |
| 1090 | { |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1091 | int ret; |
| 1092 | |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1093 | soc_dapm_async_complete(w->dapm); |
| 1094 | |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1095 | if (SND_SOC_DAPM_EVENT_ON(event)) { |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1096 | if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) { |
Mark Brown | 8784c77 | 2013-01-10 19:33:47 +0000 | [diff] [blame] | 1097 | ret = regulator_allow_bypass(w->regulator, false); |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1098 | if (ret != 0) |
| 1099 | dev_warn(w->dapm->dev, |
Charles Keepax | 30686c3 | 2014-02-18 16:05:27 +0000 | [diff] [blame] | 1100 | "ASoC: Failed to unbypass %s: %d\n", |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1101 | w->name, ret); |
| 1102 | } |
| 1103 | |
Liam Girdwood | a3cc056 | 2012-03-09 17:20:16 +0000 | [diff] [blame] | 1104 | return regulator_enable(w->regulator); |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1105 | } else { |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1106 | if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) { |
Mark Brown | 8784c77 | 2013-01-10 19:33:47 +0000 | [diff] [blame] | 1107 | ret = regulator_allow_bypass(w->regulator, true); |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1108 | if (ret != 0) |
| 1109 | dev_warn(w->dapm->dev, |
Charles Keepax | 30686c3 | 2014-02-18 16:05:27 +0000 | [diff] [blame] | 1110 | "ASoC: Failed to bypass %s: %d\n", |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1111 | w->name, ret); |
| 1112 | } |
| 1113 | |
Liam Girdwood | a3cc056 | 2012-03-09 17:20:16 +0000 | [diff] [blame] | 1114 | return regulator_disable_deferred(w->regulator, w->shift); |
Mark Brown | c05b84d | 2012-09-07 12:57:11 +0800 | [diff] [blame] | 1115 | } |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 1116 | } |
| 1117 | EXPORT_SYMBOL_GPL(dapm_regulator_event); |
| 1118 | |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1119 | /* |
| 1120 | * Handler for clock supply widget. |
| 1121 | */ |
| 1122 | int dapm_clock_event(struct snd_soc_dapm_widget *w, |
| 1123 | struct snd_kcontrol *kcontrol, int event) |
| 1124 | { |
| 1125 | if (!w->clk) |
| 1126 | return -EIO; |
| 1127 | |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1128 | soc_dapm_async_complete(w->dapm); |
| 1129 | |
Mark Brown | ec02995 | 2012-06-04 08:16:20 +0100 | [diff] [blame] | 1130 | #ifdef CONFIG_HAVE_CLK |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1131 | if (SND_SOC_DAPM_EVENT_ON(event)) { |
Fabio Baltieri | 37c1b92 | 2013-04-30 16:09:52 +0200 | [diff] [blame] | 1132 | return clk_prepare_enable(w->clk); |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1133 | } else { |
Fabio Baltieri | 37c1b92 | 2013-04-30 16:09:52 +0200 | [diff] [blame] | 1134 | clk_disable_unprepare(w->clk); |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1135 | return 0; |
| 1136 | } |
Mark Brown | ec02995 | 2012-06-04 08:16:20 +0100 | [diff] [blame] | 1137 | #endif |
Marek Belisko | 98b3cf1 | 2012-07-12 23:00:16 +0200 | [diff] [blame] | 1138 | return 0; |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1139 | } |
| 1140 | EXPORT_SYMBOL_GPL(dapm_clock_event); |
| 1141 | |
Mark Brown | d805002 | 2011-09-28 18:28:23 +0100 | [diff] [blame] | 1142 | static int dapm_widget_power_check(struct snd_soc_dapm_widget *w) |
| 1143 | { |
Mark Brown | 9b8a83b | 2011-10-04 22:15:59 +0100 | [diff] [blame] | 1144 | if (w->power_checked) |
| 1145 | return w->new_power; |
| 1146 | |
Mark Brown | d805002 | 2011-09-28 18:28:23 +0100 | [diff] [blame] | 1147 | if (w->force) |
Mark Brown | 9b8a83b | 2011-10-04 22:15:59 +0100 | [diff] [blame] | 1148 | w->new_power = 1; |
Mark Brown | d805002 | 2011-09-28 18:28:23 +0100 | [diff] [blame] | 1149 | else |
Mark Brown | 9b8a83b | 2011-10-04 22:15:59 +0100 | [diff] [blame] | 1150 | w->new_power = w->power_check(w); |
| 1151 | |
| 1152 | w->power_checked = true; |
| 1153 | |
| 1154 | return w->new_power; |
Mark Brown | d805002 | 2011-09-28 18:28:23 +0100 | [diff] [blame] | 1155 | } |
| 1156 | |
Mark Brown | cd0f2d4 | 2009-04-20 16:56:59 +0100 | [diff] [blame] | 1157 | /* Generic check to see if a widget should be powered. |
| 1158 | */ |
| 1159 | static int dapm_generic_check_power(struct snd_soc_dapm_widget *w) |
| 1160 | { |
| 1161 | int in, out; |
| 1162 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 1163 | DAPM_UPDATE_STAT(w, power_checks); |
| 1164 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1165 | in = is_connected_input_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1166 | dapm_clear_walk_input(w->dapm, &w->sources); |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1167 | out = is_connected_output_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1168 | dapm_clear_walk_output(w->dapm, &w->sinks); |
Mark Brown | cd0f2d4 | 2009-04-20 16:56:59 +0100 | [diff] [blame] | 1169 | return out != 0 && in != 0; |
| 1170 | } |
| 1171 | |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1172 | /* Check to see if an ADC has power */ |
| 1173 | static int dapm_adc_check_power(struct snd_soc_dapm_widget *w) |
| 1174 | { |
| 1175 | int in; |
| 1176 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 1177 | DAPM_UPDATE_STAT(w, power_checks); |
| 1178 | |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1179 | if (w->active) { |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1180 | in = is_connected_input_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1181 | dapm_clear_walk_input(w->dapm, &w->sources); |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1182 | return in != 0; |
| 1183 | } else { |
| 1184 | return dapm_generic_check_power(w); |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | /* Check to see if a DAC has power */ |
| 1189 | static int dapm_dac_check_power(struct snd_soc_dapm_widget *w) |
| 1190 | { |
| 1191 | int out; |
| 1192 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 1193 | DAPM_UPDATE_STAT(w, power_checks); |
| 1194 | |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1195 | if (w->active) { |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1196 | out = is_connected_output_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1197 | dapm_clear_walk_output(w->dapm, &w->sinks); |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1198 | return out != 0; |
| 1199 | } else { |
| 1200 | return dapm_generic_check_power(w); |
| 1201 | } |
| 1202 | } |
| 1203 | |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 1204 | /* Check to see if a power supply is needed */ |
| 1205 | static int dapm_supply_check_power(struct snd_soc_dapm_widget *w) |
| 1206 | { |
| 1207 | struct snd_soc_dapm_path *path; |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 1208 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 1209 | DAPM_UPDATE_STAT(w, power_checks); |
| 1210 | |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 1211 | /* Check if one of our outputs is connected */ |
| 1212 | list_for_each_entry(path, &w->sinks, list_source) { |
Mark Brown | a8fdac8 | 2011-09-28 18:20:26 +0100 | [diff] [blame] | 1213 | DAPM_UPDATE_STAT(w, neighbour_checks); |
| 1214 | |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 1215 | if (path->weak) |
| 1216 | continue; |
| 1217 | |
Mark Brown | 215edda | 2009-09-08 18:59:05 +0100 | [diff] [blame] | 1218 | if (path->connected && |
| 1219 | !path->connected(path->source, path->sink)) |
| 1220 | continue; |
| 1221 | |
Mark Brown | f68d7e1 | 2011-10-04 22:57:50 +0100 | [diff] [blame] | 1222 | if (dapm_widget_power_check(path->sink)) |
| 1223 | return 1; |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 1224 | } |
| 1225 | |
Mark Brown | f68d7e1 | 2011-10-04 22:57:50 +0100 | [diff] [blame] | 1226 | return 0; |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 1227 | } |
| 1228 | |
Mark Brown | 35c64bc | 2011-09-28 18:23:53 +0100 | [diff] [blame] | 1229 | static int dapm_always_on_check_power(struct snd_soc_dapm_widget *w) |
| 1230 | { |
| 1231 | return 1; |
| 1232 | } |
| 1233 | |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1234 | static int dapm_seq_compare(struct snd_soc_dapm_widget *a, |
| 1235 | struct snd_soc_dapm_widget *b, |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 1236 | bool power_up) |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1237 | { |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 1238 | int *sort; |
| 1239 | |
| 1240 | if (power_up) |
| 1241 | sort = dapm_up_seq; |
| 1242 | else |
| 1243 | sort = dapm_down_seq; |
| 1244 | |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1245 | if (sort[a->id] != sort[b->id]) |
| 1246 | return sort[a->id] - sort[b->id]; |
Mark Brown | 20e4859 | 2011-01-15 13:40:50 +0000 | [diff] [blame] | 1247 | if (a->subseq != b->subseq) { |
| 1248 | if (power_up) |
| 1249 | return a->subseq - b->subseq; |
| 1250 | else |
| 1251 | return b->subseq - a->subseq; |
| 1252 | } |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1253 | if (a->reg != b->reg) |
| 1254 | return a->reg - b->reg; |
Mark Brown | 84dab56 | 2010-11-12 15:28:42 +0000 | [diff] [blame] | 1255 | if (a->dapm != b->dapm) |
| 1256 | return (unsigned long)a->dapm - (unsigned long)b->dapm; |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1257 | |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1258 | return 0; |
| 1259 | } |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1260 | |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1261 | /* Insert a widget in order into a DAPM power sequence. */ |
| 1262 | static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget, |
| 1263 | struct list_head *list, |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 1264 | bool power_up) |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1265 | { |
| 1266 | struct snd_soc_dapm_widget *w; |
| 1267 | |
| 1268 | list_for_each_entry(w, list, power_list) |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 1269 | if (dapm_seq_compare(new_widget, w, power_up) < 0) { |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1270 | list_add_tail(&new_widget->power_list, &w->power_list); |
| 1271 | return; |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1272 | } |
Mark Brown | 6ea31b9 | 2009-04-20 17:15:41 +0100 | [diff] [blame] | 1273 | |
Mark Brown | 38357ab | 2009-06-06 19:03:23 +0100 | [diff] [blame] | 1274 | list_add_tail(&new_widget->power_list, list); |
| 1275 | } |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1276 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1277 | static void dapm_seq_check_event(struct snd_soc_card *card, |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1278 | struct snd_soc_dapm_widget *w, int event) |
| 1279 | { |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1280 | const char *ev_name; |
| 1281 | int power, ret; |
| 1282 | |
| 1283 | switch (event) { |
| 1284 | case SND_SOC_DAPM_PRE_PMU: |
| 1285 | ev_name = "PRE_PMU"; |
| 1286 | power = 1; |
| 1287 | break; |
| 1288 | case SND_SOC_DAPM_POST_PMU: |
| 1289 | ev_name = "POST_PMU"; |
| 1290 | power = 1; |
| 1291 | break; |
| 1292 | case SND_SOC_DAPM_PRE_PMD: |
| 1293 | ev_name = "PRE_PMD"; |
| 1294 | power = 0; |
| 1295 | break; |
| 1296 | case SND_SOC_DAPM_POST_PMD: |
| 1297 | ev_name = "POST_PMD"; |
| 1298 | power = 0; |
| 1299 | break; |
Mark Brown | 8011412 | 2013-02-25 15:14:19 +0000 | [diff] [blame] | 1300 | case SND_SOC_DAPM_WILL_PMU: |
| 1301 | ev_name = "WILL_PMU"; |
| 1302 | power = 1; |
| 1303 | break; |
| 1304 | case SND_SOC_DAPM_WILL_PMD: |
| 1305 | ev_name = "WILL_PMD"; |
| 1306 | power = 0; |
| 1307 | break; |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1308 | default: |
Takashi Iwai | a6ed060 | 2013-11-06 11:07:19 +0100 | [diff] [blame] | 1309 | WARN(1, "Unknown event %d\n", event); |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1310 | return; |
| 1311 | } |
| 1312 | |
Lars-Peter Clausen | 39eb5fd | 2013-07-29 17:14:03 +0200 | [diff] [blame] | 1313 | if (w->new_power != power) |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1314 | return; |
| 1315 | |
| 1316 | if (w->event && (w->event_flags & event)) { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1317 | pop_dbg(w->dapm->dev, card->pop_time, "pop test : %s %s\n", |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1318 | w->name, ev_name); |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1319 | soc_dapm_async_complete(w->dapm); |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 1320 | trace_snd_soc_dapm_widget_event_start(w, event); |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1321 | ret = w->event(w, NULL, event); |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 1322 | trace_snd_soc_dapm_widget_event_done(w, event); |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1323 | if (ret < 0) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1324 | dev_err(w->dapm->dev, "ASoC: %s: %s event failed: %d\n", |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1325 | ev_name, w->name, ret); |
| 1326 | } |
| 1327 | } |
| 1328 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1329 | /* Apply the coalesced changes from a DAPM sequence */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1330 | static void dapm_seq_run_coalesced(struct snd_soc_card *card, |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1331 | struct list_head *pending) |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1332 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1333 | struct snd_soc_dapm_context *dapm; |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1334 | struct snd_soc_dapm_widget *w; |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1335 | int reg; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1336 | unsigned int value = 0; |
| 1337 | unsigned int mask = 0; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1338 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1339 | w = list_first_entry(pending, struct snd_soc_dapm_widget, power_list); |
| 1340 | reg = w->reg; |
| 1341 | dapm = w->dapm; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1342 | |
| 1343 | list_for_each_entry(w, pending, power_list) { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1344 | WARN_ON(reg != w->reg || dapm != w->dapm); |
Lars-Peter Clausen | 39eb5fd | 2013-07-29 17:14:03 +0200 | [diff] [blame] | 1345 | w->power = w->new_power; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1346 | |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1347 | mask |= w->mask << w->shift; |
| 1348 | if (w->power) |
| 1349 | value |= w->on_val << w->shift; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1350 | else |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1351 | value |= w->off_val << w->shift; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1352 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1353 | pop_dbg(dapm->dev, card->pop_time, |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1354 | "pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n", |
| 1355 | w->name, reg, value, mask); |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1356 | |
Mark Brown | 68f89ad | 2010-11-03 23:51:49 -0400 | [diff] [blame] | 1357 | /* Check for events */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1358 | dapm_seq_check_event(card, w, SND_SOC_DAPM_PRE_PMU); |
| 1359 | dapm_seq_check_event(card, w, SND_SOC_DAPM_PRE_PMD); |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1360 | } |
| 1361 | |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1362 | if (reg >= 0) { |
Mark Brown | 29376bc | 2011-06-19 13:49:28 +0100 | [diff] [blame] | 1363 | /* Any widget will do, they should all be updating the |
| 1364 | * same register. |
| 1365 | */ |
Mark Brown | 29376bc | 2011-06-19 13:49:28 +0100 | [diff] [blame] | 1366 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1367 | pop_dbg(dapm->dev, card->pop_time, |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1368 | "pop test : Applying 0x%x/0x%x to %x in %dms\n", |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 1369 | value, mask, reg, card->pop_time); |
| 1370 | pop_wait(card->pop_time); |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1371 | soc_dapm_update_bits(dapm, reg, mask, value); |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | list_for_each_entry(w, pending, power_list) { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1375 | dapm_seq_check_event(card, w, SND_SOC_DAPM_POST_PMU); |
| 1376 | dapm_seq_check_event(card, w, SND_SOC_DAPM_POST_PMD); |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1377 | } |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1378 | } |
| 1379 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1380 | /* Apply a DAPM power sequence. |
| 1381 | * |
| 1382 | * We walk over a pre-sorted list of widgets to apply power to. In |
| 1383 | * order to minimise the number of writes to the device required |
| 1384 | * multiple widgets will be updated in a single write where possible. |
| 1385 | * Currently anything that requires more than a single write is not |
| 1386 | * handled. |
| 1387 | */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1388 | static void dapm_seq_run(struct snd_soc_card *card, |
| 1389 | struct list_head *list, int event, bool power_up) |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1390 | { |
| 1391 | struct snd_soc_dapm_widget *w, *n; |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1392 | struct snd_soc_dapm_context *d; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1393 | LIST_HEAD(pending); |
| 1394 | int cur_sort = -1; |
Mark Brown | 20e4859 | 2011-01-15 13:40:50 +0000 | [diff] [blame] | 1395 | int cur_subseq = -1; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1396 | int cur_reg = SND_SOC_NOPM; |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1397 | struct snd_soc_dapm_context *cur_dapm = NULL; |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 1398 | int ret, i; |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 1399 | int *sort; |
| 1400 | |
| 1401 | if (power_up) |
| 1402 | sort = dapm_up_seq; |
| 1403 | else |
| 1404 | sort = dapm_down_seq; |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1405 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1406 | list_for_each_entry_safe(w, n, list, power_list) { |
| 1407 | ret = 0; |
| 1408 | |
| 1409 | /* Do we need to apply any queued changes? */ |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1410 | if (sort[w->id] != cur_sort || w->reg != cur_reg || |
Mark Brown | 20e4859 | 2011-01-15 13:40:50 +0000 | [diff] [blame] | 1411 | w->dapm != cur_dapm || w->subseq != cur_subseq) { |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1412 | if (!list_empty(&pending)) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1413 | dapm_seq_run_coalesced(card, &pending); |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1414 | |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 1415 | if (cur_dapm && cur_dapm->seq_notifier) { |
| 1416 | for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++) |
| 1417 | if (sort[i] == cur_sort) |
| 1418 | cur_dapm->seq_notifier(cur_dapm, |
Mark Brown | f85a9e0 | 2011-01-26 21:41:28 +0000 | [diff] [blame] | 1419 | i, |
| 1420 | cur_subseq); |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 1421 | } |
| 1422 | |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1423 | if (cur_dapm && w->dapm != cur_dapm) |
| 1424 | soc_dapm_async_complete(cur_dapm); |
| 1425 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1426 | INIT_LIST_HEAD(&pending); |
| 1427 | cur_sort = -1; |
Mark Brown | b0b3e6f | 2011-07-16 10:55:08 +0900 | [diff] [blame] | 1428 | cur_subseq = INT_MIN; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1429 | cur_reg = SND_SOC_NOPM; |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1430 | cur_dapm = NULL; |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1431 | } |
| 1432 | |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1433 | switch (w->id) { |
| 1434 | case snd_soc_dapm_pre: |
| 1435 | if (!w->event) |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1436 | list_for_each_entry_safe_continue(w, n, list, |
| 1437 | power_list); |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1438 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1439 | if (event == SND_SOC_DAPM_STREAM_START) |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1440 | ret = w->event(w, |
| 1441 | NULL, SND_SOC_DAPM_PRE_PMU); |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1442 | else if (event == SND_SOC_DAPM_STREAM_STOP) |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1443 | ret = w->event(w, |
| 1444 | NULL, SND_SOC_DAPM_PRE_PMD); |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1445 | break; |
| 1446 | |
| 1447 | case snd_soc_dapm_post: |
| 1448 | if (!w->event) |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1449 | list_for_each_entry_safe_continue(w, n, list, |
| 1450 | power_list); |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1451 | |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1452 | if (event == SND_SOC_DAPM_STREAM_START) |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1453 | ret = w->event(w, |
| 1454 | NULL, SND_SOC_DAPM_POST_PMU); |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1455 | else if (event == SND_SOC_DAPM_STREAM_STOP) |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1456 | ret = w->event(w, |
| 1457 | NULL, SND_SOC_DAPM_POST_PMD); |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1458 | break; |
| 1459 | |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1460 | default: |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1461 | /* Queue it up for application */ |
| 1462 | cur_sort = sort[w->id]; |
Mark Brown | 20e4859 | 2011-01-15 13:40:50 +0000 | [diff] [blame] | 1463 | cur_subseq = w->subseq; |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1464 | cur_reg = w->reg; |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1465 | cur_dapm = w->dapm; |
Mark Brown | 8162810 | 2009-06-07 13:21:24 +0100 | [diff] [blame] | 1466 | list_move(&w->power_list, &pending); |
| 1467 | break; |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1468 | } |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1469 | |
| 1470 | if (ret < 0) |
Jarkko Nikula | f7d41ae | 2010-11-09 14:40:27 +0200 | [diff] [blame] | 1471 | dev_err(w->dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1472 | "ASoC: Failed to apply widget power: %d\n", ret); |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1473 | } |
Mark Brown | b22ead2 | 2009-06-07 12:51:26 +0100 | [diff] [blame] | 1474 | |
| 1475 | if (!list_empty(&pending)) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1476 | dapm_seq_run_coalesced(card, &pending); |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 1477 | |
| 1478 | if (cur_dapm && cur_dapm->seq_notifier) { |
| 1479 | for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++) |
| 1480 | if (sort[i] == cur_sort) |
| 1481 | cur_dapm->seq_notifier(cur_dapm, |
Mark Brown | f85a9e0 | 2011-01-26 21:41:28 +0000 | [diff] [blame] | 1482 | i, cur_subseq); |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 1483 | } |
Mark Brown | eb270e9 | 2013-10-09 13:52:52 +0100 | [diff] [blame] | 1484 | |
| 1485 | list_for_each_entry(d, &card->dapm_list, list) { |
| 1486 | soc_dapm_async_complete(d); |
| 1487 | } |
Mark Brown | 163cac0 | 2009-06-07 10:12:52 +0100 | [diff] [blame] | 1488 | } |
| 1489 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1490 | static void dapm_widget_update(struct snd_soc_card *card) |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1491 | { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1492 | struct snd_soc_dapm_update *update = card->update; |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1493 | struct snd_soc_dapm_widget_list *wlist; |
| 1494 | struct snd_soc_dapm_widget *w = NULL; |
| 1495 | unsigned int wi; |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1496 | int ret; |
| 1497 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 1498 | if (!update || !dapm_kcontrol_is_powered(update->kcontrol)) |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1499 | return; |
| 1500 | |
Lars-Peter Clausen | e84357f | 2013-07-29 17:13:58 +0200 | [diff] [blame] | 1501 | wlist = dapm_kcontrol_get_wlist(update->kcontrol); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1502 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1503 | for (wi = 0; wi < wlist->num_widgets; wi++) { |
| 1504 | w = wlist->widgets[wi]; |
| 1505 | |
| 1506 | if (w->event && (w->event_flags & SND_SOC_DAPM_PRE_REG)) { |
| 1507 | ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG); |
| 1508 | if (ret != 0) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1509 | dev_err(w->dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n", |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1510 | w->name, ret); |
| 1511 | } |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1512 | } |
| 1513 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1514 | if (!w) |
| 1515 | return; |
| 1516 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 1517 | ret = soc_dapm_update_bits(w->dapm, update->reg, update->mask, |
| 1518 | update->val); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1519 | if (ret < 0) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1520 | dev_err(w->dapm->dev, "ASoC: %s DAPM update failed: %d\n", |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1521 | w->name, ret); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1522 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1523 | for (wi = 0; wi < wlist->num_widgets; wi++) { |
| 1524 | w = wlist->widgets[wi]; |
| 1525 | |
| 1526 | if (w->event && (w->event_flags & SND_SOC_DAPM_POST_REG)) { |
| 1527 | ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG); |
| 1528 | if (ret != 0) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1529 | dev_err(w->dapm->dev, "ASoC: %s DAPM post-event failed: %d\n", |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 1530 | w->name, ret); |
| 1531 | } |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1532 | } |
| 1533 | } |
| 1534 | |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1535 | /* Async callback run prior to DAPM sequences - brings to _PREPARE if |
| 1536 | * they're changing state. |
| 1537 | */ |
| 1538 | static void dapm_pre_sequence_async(void *data, async_cookie_t cookie) |
| 1539 | { |
| 1540 | struct snd_soc_dapm_context *d = data; |
| 1541 | int ret; |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1542 | |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1543 | /* If we're off and we're not supposed to be go into STANDBY */ |
| 1544 | if (d->bias_level == SND_SOC_BIAS_OFF && |
| 1545 | d->target_bias_level != SND_SOC_BIAS_OFF) { |
Mark Brown | f1aac48 | 2011-12-05 15:17:06 +0000 | [diff] [blame] | 1546 | if (d->dev) |
| 1547 | pm_runtime_get_sync(d->dev); |
| 1548 | |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1549 | ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY); |
| 1550 | if (ret != 0) |
| 1551 | dev_err(d->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1552 | "ASoC: Failed to turn on bias: %d\n", ret); |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1553 | } |
| 1554 | |
Lars-Peter Clausen | ce85a4d | 2014-05-06 10:32:15 +0200 | [diff] [blame] | 1555 | /* Prepare for a transition to ON or away from ON */ |
| 1556 | if ((d->target_bias_level == SND_SOC_BIAS_ON && |
| 1557 | d->bias_level != SND_SOC_BIAS_ON) || |
| 1558 | (d->target_bias_level != SND_SOC_BIAS_ON && |
| 1559 | d->bias_level == SND_SOC_BIAS_ON)) { |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1560 | ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_PREPARE); |
| 1561 | if (ret != 0) |
| 1562 | dev_err(d->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1563 | "ASoC: Failed to prepare bias: %d\n", ret); |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | /* Async callback run prior to DAPM sequences - brings to their final |
| 1568 | * state. |
| 1569 | */ |
| 1570 | static void dapm_post_sequence_async(void *data, async_cookie_t cookie) |
| 1571 | { |
| 1572 | struct snd_soc_dapm_context *d = data; |
| 1573 | int ret; |
| 1574 | |
| 1575 | /* If we just powered the last thing off drop to standby bias */ |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1576 | if (d->bias_level == SND_SOC_BIAS_PREPARE && |
| 1577 | (d->target_bias_level == SND_SOC_BIAS_STANDBY || |
| 1578 | d->target_bias_level == SND_SOC_BIAS_OFF)) { |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1579 | ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY); |
| 1580 | if (ret != 0) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1581 | dev_err(d->dev, "ASoC: Failed to apply standby bias: %d\n", |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1582 | ret); |
| 1583 | } |
| 1584 | |
| 1585 | /* If we're in standby and can support bias off then do that */ |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1586 | if (d->bias_level == SND_SOC_BIAS_STANDBY && |
| 1587 | d->target_bias_level == SND_SOC_BIAS_OFF) { |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1588 | ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF); |
| 1589 | if (ret != 0) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1590 | dev_err(d->dev, "ASoC: Failed to turn off bias: %d\n", |
| 1591 | ret); |
Mark Brown | f1aac48 | 2011-12-05 15:17:06 +0000 | [diff] [blame] | 1592 | |
| 1593 | if (d->dev) |
Mark Brown | fb644e9 | 2012-01-25 19:53:58 +0000 | [diff] [blame] | 1594 | pm_runtime_put(d->dev); |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1595 | } |
| 1596 | |
| 1597 | /* If we just powered up then move to active bias */ |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1598 | if (d->bias_level == SND_SOC_BIAS_PREPARE && |
| 1599 | d->target_bias_level == SND_SOC_BIAS_ON) { |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1600 | ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_ON); |
| 1601 | if (ret != 0) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1602 | dev_err(d->dev, "ASoC: Failed to apply active bias: %d\n", |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1603 | ret); |
| 1604 | } |
| 1605 | } |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1606 | |
Mark Brown | fe4fda5 | 2011-10-03 22:36:57 +0100 | [diff] [blame] | 1607 | static void dapm_widget_set_peer_power(struct snd_soc_dapm_widget *peer, |
| 1608 | bool power, bool connect) |
| 1609 | { |
| 1610 | /* If a connection is being made or broken then that update |
| 1611 | * will have marked the peer dirty, otherwise the widgets are |
| 1612 | * not connected and this update has no impact. */ |
| 1613 | if (!connect) |
| 1614 | return; |
| 1615 | |
| 1616 | /* If the peer is already in the state we're moving to then we |
| 1617 | * won't have an impact on it. */ |
| 1618 | if (power != peer->power) |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 1619 | dapm_mark_dirty(peer, "peer state change"); |
Mark Brown | fe4fda5 | 2011-10-03 22:36:57 +0100 | [diff] [blame] | 1620 | } |
| 1621 | |
Mark Brown | 05623c4 | 2011-09-28 17:02:31 +0100 | [diff] [blame] | 1622 | static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power, |
| 1623 | struct list_head *up_list, |
| 1624 | struct list_head *down_list) |
| 1625 | { |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1626 | struct snd_soc_dapm_path *path; |
| 1627 | |
Mark Brown | 05623c4 | 2011-09-28 17:02:31 +0100 | [diff] [blame] | 1628 | if (w->power == power) |
| 1629 | return; |
| 1630 | |
| 1631 | trace_snd_soc_dapm_widget_power(w, power); |
| 1632 | |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1633 | /* If we changed our power state perhaps our neigbours changed |
Mark Brown | fe4fda5 | 2011-10-03 22:36:57 +0100 | [diff] [blame] | 1634 | * also. |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1635 | */ |
Lars-Peter Clausen | 7ddd4cd | 2014-10-20 19:36:34 +0200 | [diff] [blame^] | 1636 | list_for_each_entry(path, &w->sources, list_sink) |
| 1637 | dapm_widget_set_peer_power(path->source, power, path->connect); |
| 1638 | |
Mark Brown | f3bf3e4 | 2011-10-04 22:43:31 +0100 | [diff] [blame] | 1639 | switch (w->id) { |
| 1640 | case snd_soc_dapm_supply: |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 1641 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1642 | case snd_soc_dapm_clock_supply: |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 1643 | case snd_soc_dapm_kcontrol: |
Mark Brown | f3bf3e4 | 2011-10-04 22:43:31 +0100 | [diff] [blame] | 1644 | /* Supplies can't affect their outputs, only their inputs */ |
| 1645 | break; |
| 1646 | default: |
Lars-Peter Clausen | 7ddd4cd | 2014-10-20 19:36:34 +0200 | [diff] [blame^] | 1647 | list_for_each_entry(path, &w->sinks, list_source) |
| 1648 | dapm_widget_set_peer_power(path->sink, power, |
| 1649 | path->connect); |
Mark Brown | f3bf3e4 | 2011-10-04 22:43:31 +0100 | [diff] [blame] | 1650 | break; |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1651 | } |
| 1652 | |
Mark Brown | 05623c4 | 2011-09-28 17:02:31 +0100 | [diff] [blame] | 1653 | if (power) |
| 1654 | dapm_seq_insert(w, up_list, true); |
| 1655 | else |
| 1656 | dapm_seq_insert(w, down_list, false); |
Mark Brown | 05623c4 | 2011-09-28 17:02:31 +0100 | [diff] [blame] | 1657 | } |
| 1658 | |
Mark Brown | 7c81beb | 2011-09-20 22:22:32 +0100 | [diff] [blame] | 1659 | static void dapm_power_one_widget(struct snd_soc_dapm_widget *w, |
| 1660 | struct list_head *up_list, |
| 1661 | struct list_head *down_list) |
| 1662 | { |
Mark Brown | 7c81beb | 2011-09-20 22:22:32 +0100 | [diff] [blame] | 1663 | int power; |
| 1664 | |
| 1665 | switch (w->id) { |
| 1666 | case snd_soc_dapm_pre: |
| 1667 | dapm_seq_insert(w, down_list, false); |
| 1668 | break; |
| 1669 | case snd_soc_dapm_post: |
| 1670 | dapm_seq_insert(w, up_list, true); |
| 1671 | break; |
| 1672 | |
| 1673 | default: |
Mark Brown | d805002 | 2011-09-28 18:28:23 +0100 | [diff] [blame] | 1674 | power = dapm_widget_power_check(w); |
Mark Brown | 7c81beb | 2011-09-20 22:22:32 +0100 | [diff] [blame] | 1675 | |
Mark Brown | 05623c4 | 2011-09-28 17:02:31 +0100 | [diff] [blame] | 1676 | dapm_widget_set_power(w, power, up_list, down_list); |
Mark Brown | 7c81beb | 2011-09-20 22:22:32 +0100 | [diff] [blame] | 1677 | break; |
| 1678 | } |
| 1679 | } |
| 1680 | |
Lars-Peter Clausen | 86dbf2a | 2014-09-04 19:44:06 +0200 | [diff] [blame] | 1681 | static bool dapm_idle_bias_off(struct snd_soc_dapm_context *dapm) |
| 1682 | { |
| 1683 | if (dapm->idle_bias_off) |
| 1684 | return true; |
| 1685 | |
| 1686 | switch (snd_power_get_state(dapm->card->snd_card)) { |
| 1687 | case SNDRV_CTL_POWER_D3hot: |
| 1688 | case SNDRV_CTL_POWER_D3cold: |
| 1689 | return dapm->suspend_bias_off; |
| 1690 | default: |
| 1691 | break; |
| 1692 | } |
| 1693 | |
| 1694 | return false; |
| 1695 | } |
| 1696 | |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1697 | /* |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1698 | * Scan each dapm widget for complete audio path. |
| 1699 | * A complete path is a route that has valid endpoints i.e.:- |
| 1700 | * |
| 1701 | * o DAC to output pin. |
| 1702 | * o Input Pin to ADC. |
| 1703 | * o Input pin to Output pin (bypass, sidetone) |
| 1704 | * o DAC to ADC (loopback). |
| 1705 | */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1706 | static int dapm_power_widgets(struct snd_soc_card *card, int event) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1707 | { |
| 1708 | struct snd_soc_dapm_widget *w; |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1709 | struct snd_soc_dapm_context *d; |
Mark Brown | 291f3bb | 2009-06-07 13:57:17 +0100 | [diff] [blame] | 1710 | LIST_HEAD(up_list); |
| 1711 | LIST_HEAD(down_list); |
Dan Williams | 2955b47 | 2012-07-09 19:33:25 -0700 | [diff] [blame] | 1712 | ASYNC_DOMAIN_EXCLUSIVE(async_domain); |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1713 | enum snd_soc_bias_level bias; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1714 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 1715 | lockdep_assert_held(&card->dapm_mutex); |
| 1716 | |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 1717 | trace_snd_soc_dapm_start(card); |
| 1718 | |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1719 | list_for_each_entry(d, &card->dapm_list, list) { |
Lars-Peter Clausen | 86dbf2a | 2014-09-04 19:44:06 +0200 | [diff] [blame] | 1720 | if (dapm_idle_bias_off(d)) |
Mark Brown | 497098be | 2012-03-08 15:06:09 +0000 | [diff] [blame] | 1721 | d->target_bias_level = SND_SOC_BIAS_OFF; |
| 1722 | else |
| 1723 | d->target_bias_level = SND_SOC_BIAS_STANDBY; |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1724 | } |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1725 | |
Liam Girdwood | 6c120e1 | 2012-02-15 15:15:34 +0000 | [diff] [blame] | 1726 | dapm_reset(card); |
Mark Brown | 9b8a83b | 2011-10-04 22:15:59 +0100 | [diff] [blame] | 1727 | |
Mark Brown | 6d3ddc8 | 2009-05-16 17:47:29 +0100 | [diff] [blame] | 1728 | /* Check which widgets we need to power and store them in |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1729 | * lists indicating if they should be powered up or down. We |
| 1730 | * only check widgets that have been flagged as dirty but note |
| 1731 | * that new widgets may be added to the dirty list while we |
| 1732 | * iterate. |
Mark Brown | 6d3ddc8 | 2009-05-16 17:47:29 +0100 | [diff] [blame] | 1733 | */ |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1734 | list_for_each_entry(w, &card->dapm_dirty, dirty) { |
Mark Brown | 7c81beb | 2011-09-20 22:22:32 +0100 | [diff] [blame] | 1735 | dapm_power_one_widget(w, &up_list, &down_list); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1736 | } |
| 1737 | |
Mark Brown | f9de6d7 | 2011-09-28 17:19:47 +0100 | [diff] [blame] | 1738 | list_for_each_entry(w, &card->widgets, list) { |
Mark Brown | 0ff97eb | 2012-07-20 17:29:34 +0100 | [diff] [blame] | 1739 | switch (w->id) { |
| 1740 | case snd_soc_dapm_pre: |
| 1741 | case snd_soc_dapm_post: |
| 1742 | /* These widgets always need to be powered */ |
| 1743 | break; |
| 1744 | default: |
| 1745 | list_del_init(&w->dirty); |
| 1746 | break; |
| 1747 | } |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 1748 | |
Lars-Peter Clausen | 39eb5fd | 2013-07-29 17:14:03 +0200 | [diff] [blame] | 1749 | if (w->new_power) { |
Mark Brown | f9de6d7 | 2011-09-28 17:19:47 +0100 | [diff] [blame] | 1750 | d = w->dapm; |
| 1751 | |
| 1752 | /* Supplies and micbiases only bring the |
| 1753 | * context up to STANDBY as unless something |
| 1754 | * else is active and passing audio they |
Mark Brown | afe6236 | 2012-01-25 19:55:22 +0000 | [diff] [blame] | 1755 | * generally don't require full power. Signal |
| 1756 | * generators are virtual pins and have no |
| 1757 | * power impact themselves. |
Mark Brown | f9de6d7 | 2011-09-28 17:19:47 +0100 | [diff] [blame] | 1758 | */ |
| 1759 | switch (w->id) { |
Mark Brown | afe6236 | 2012-01-25 19:55:22 +0000 | [diff] [blame] | 1760 | case snd_soc_dapm_siggen: |
Lars-Peter Clausen | da83fea | 2013-10-05 19:26:17 +0200 | [diff] [blame] | 1761 | case snd_soc_dapm_vmid: |
Mark Brown | afe6236 | 2012-01-25 19:55:22 +0000 | [diff] [blame] | 1762 | break; |
Mark Brown | f9de6d7 | 2011-09-28 17:19:47 +0100 | [diff] [blame] | 1763 | case snd_soc_dapm_supply: |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 1764 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 1765 | case snd_soc_dapm_clock_supply: |
Mark Brown | f9de6d7 | 2011-09-28 17:19:47 +0100 | [diff] [blame] | 1766 | case snd_soc_dapm_micbias: |
| 1767 | if (d->target_bias_level < SND_SOC_BIAS_STANDBY) |
| 1768 | d->target_bias_level = SND_SOC_BIAS_STANDBY; |
| 1769 | break; |
| 1770 | default: |
| 1771 | d->target_bias_level = SND_SOC_BIAS_ON; |
| 1772 | break; |
| 1773 | } |
| 1774 | } |
| 1775 | |
| 1776 | } |
| 1777 | |
Mark Brown | 85a843c | 2011-09-21 21:29:47 +0100 | [diff] [blame] | 1778 | /* Force all contexts in the card to the same bias state if |
| 1779 | * they're not ground referenced. |
| 1780 | */ |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1781 | bias = SND_SOC_BIAS_OFF; |
Mark Brown | 52ba67b | 2011-04-04 21:05:11 +0900 | [diff] [blame] | 1782 | list_for_each_entry(d, &card->dapm_list, list) |
Mark Brown | 56fba41 | 2011-06-04 11:25:10 +0100 | [diff] [blame] | 1783 | if (d->target_bias_level > bias) |
| 1784 | bias = d->target_bias_level; |
Mark Brown | 52ba67b | 2011-04-04 21:05:11 +0900 | [diff] [blame] | 1785 | list_for_each_entry(d, &card->dapm_list, list) |
Lars-Peter Clausen | 86dbf2a | 2014-09-04 19:44:06 +0200 | [diff] [blame] | 1786 | if (!dapm_idle_bias_off(d)) |
Mark Brown | 85a843c | 2011-09-21 21:29:47 +0100 | [diff] [blame] | 1787 | d->target_bias_level = bias; |
Mark Brown | 52ba67b | 2011-04-04 21:05:11 +0900 | [diff] [blame] | 1788 | |
Mark Brown | de02d07 | 2011-09-20 21:43:24 +0100 | [diff] [blame] | 1789 | trace_snd_soc_dapm_walk_done(card); |
Mark Brown | 52ba67b | 2011-04-04 21:05:11 +0900 | [diff] [blame] | 1790 | |
Xiang Xiao | 17282ba | 2014-03-02 00:04:03 +0800 | [diff] [blame] | 1791 | /* Run card bias changes at first */ |
| 1792 | dapm_pre_sequence_async(&card->dapm, 0); |
| 1793 | /* Run other bias changes in parallel */ |
| 1794 | list_for_each_entry(d, &card->dapm_list, list) { |
| 1795 | if (d != &card->dapm) |
| 1796 | async_schedule_domain(dapm_pre_sequence_async, d, |
| 1797 | &async_domain); |
| 1798 | } |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1799 | async_synchronize_full_domain(&async_domain); |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 1800 | |
Lars-Peter Clausen | cf1f7c6 | 2013-05-23 00:12:53 +0200 | [diff] [blame] | 1801 | list_for_each_entry(w, &down_list, power_list) { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1802 | dapm_seq_check_event(card, w, SND_SOC_DAPM_WILL_PMD); |
Mark Brown | 8011412 | 2013-02-25 15:14:19 +0000 | [diff] [blame] | 1803 | } |
| 1804 | |
Lars-Peter Clausen | cf1f7c6 | 2013-05-23 00:12:53 +0200 | [diff] [blame] | 1805 | list_for_each_entry(w, &up_list, power_list) { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1806 | dapm_seq_check_event(card, w, SND_SOC_DAPM_WILL_PMU); |
Mark Brown | 8011412 | 2013-02-25 15:14:19 +0000 | [diff] [blame] | 1807 | } |
| 1808 | |
Mark Brown | 6d3ddc8 | 2009-05-16 17:47:29 +0100 | [diff] [blame] | 1809 | /* Power down widgets first; try to avoid amplifying pops. */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1810 | dapm_seq_run(card, &down_list, event, false); |
Mark Brown | 6d3ddc8 | 2009-05-16 17:47:29 +0100 | [diff] [blame] | 1811 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1812 | dapm_widget_update(card); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 1813 | |
Mark Brown | 6d3ddc8 | 2009-05-16 17:47:29 +0100 | [diff] [blame] | 1814 | /* Now power up. */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1815 | dapm_seq_run(card, &up_list, event, true); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1816 | |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1817 | /* Run all the bias changes in parallel */ |
Xiang Xiao | 17282ba | 2014-03-02 00:04:03 +0800 | [diff] [blame] | 1818 | list_for_each_entry(d, &card->dapm_list, list) { |
| 1819 | if (d != &card->dapm) |
| 1820 | async_schedule_domain(dapm_post_sequence_async, d, |
| 1821 | &async_domain); |
| 1822 | } |
Mark Brown | 9d0624a | 2011-02-18 11:49:43 -0800 | [diff] [blame] | 1823 | async_synchronize_full_domain(&async_domain); |
Xiang Xiao | 17282ba | 2014-03-02 00:04:03 +0800 | [diff] [blame] | 1824 | /* Run card bias changes at last */ |
| 1825 | dapm_post_sequence_async(&card->dapm, 0); |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 1826 | |
Liam Girdwood | 8078d87 | 2012-02-15 15:15:35 +0000 | [diff] [blame] | 1827 | /* do we need to notify any clients that DAPM event is complete */ |
| 1828 | list_for_each_entry(d, &card->dapm_list, list) { |
| 1829 | if (d->stream_event) |
| 1830 | d->stream_event(d, event); |
| 1831 | } |
| 1832 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 1833 | pop_dbg(card->dev, card->pop_time, |
Jarkko Nikula | fd8d3bc | 2010-11-09 14:40:28 +0200 | [diff] [blame] | 1834 | "DAPM sequencing finished, waiting %dms\n", card->pop_time); |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 1835 | pop_wait(card->pop_time); |
Mark Brown | cb507e7 | 2009-07-08 18:54:57 +0100 | [diff] [blame] | 1836 | |
Mark Brown | 84e9093 | 2010-11-04 00:07:02 -0400 | [diff] [blame] | 1837 | trace_snd_soc_dapm_done(card); |
| 1838 | |
Mark Brown | 42aa341 | 2009-03-01 19:21:10 +0000 | [diff] [blame] | 1839 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 1840 | } |
| 1841 | |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1842 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1843 | static ssize_t dapm_widget_power_read_file(struct file *file, |
| 1844 | char __user *user_buf, |
| 1845 | size_t count, loff_t *ppos) |
| 1846 | { |
| 1847 | struct snd_soc_dapm_widget *w = file->private_data; |
| 1848 | char *buf; |
| 1849 | int in, out; |
| 1850 | ssize_t ret; |
| 1851 | struct snd_soc_dapm_path *p = NULL; |
| 1852 | |
| 1853 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
| 1854 | if (!buf) |
| 1855 | return -ENOMEM; |
| 1856 | |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1857 | in = is_connected_input_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1858 | dapm_clear_walk_input(w->dapm, &w->sources); |
Liam Girdwood | ec2e303 | 2012-04-18 11:41:11 +0100 | [diff] [blame] | 1859 | out = is_connected_output_ep(w, NULL); |
Ryo Tsutsui | 1059ecf | 2013-04-01 12:50:01 +0100 | [diff] [blame] | 1860 | dapm_clear_walk_output(w->dapm, &w->sinks); |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1861 | |
Mark Brown | f13ebad | 2012-03-03 18:01:01 +0000 | [diff] [blame] | 1862 | ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d", |
| 1863 | w->name, w->power ? "On" : "Off", |
| 1864 | w->force ? " (forced)" : "", in, out); |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1865 | |
Mark Brown | d033c36 | 2009-12-04 15:25:56 +0000 | [diff] [blame] | 1866 | if (w->reg >= 0) |
| 1867 | ret += snprintf(buf + ret, PAGE_SIZE - ret, |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 1868 | " - R%d(0x%x) mask 0x%x", |
| 1869 | w->reg, w->reg, w->mask << w->shift); |
Mark Brown | d033c36 | 2009-12-04 15:25:56 +0000 | [diff] [blame] | 1870 | |
| 1871 | ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n"); |
| 1872 | |
Mark Brown | 3eef08b | 2009-09-14 16:49:00 +0100 | [diff] [blame] | 1873 | if (w->sname) |
| 1874 | ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n", |
| 1875 | w->sname, |
| 1876 | w->active ? "active" : "inactive"); |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1877 | |
| 1878 | list_for_each_entry(p, &w->sources, list_sink) { |
Takashi Iwai | ff18620 | 2013-10-28 14:21:49 +0100 | [diff] [blame] | 1879 | if (p->connected && !p->connected(w, p->source)) |
Mark Brown | 215edda | 2009-09-08 18:59:05 +0100 | [diff] [blame] | 1880 | continue; |
| 1881 | |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1882 | if (p->connect) |
| 1883 | ret += snprintf(buf + ret, PAGE_SIZE - ret, |
Dimitris Papastamos | 67f5ed6 | 2011-02-24 17:09:32 +0000 | [diff] [blame] | 1884 | " in \"%s\" \"%s\"\n", |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1885 | p->name ? p->name : "static", |
| 1886 | p->source->name); |
| 1887 | } |
| 1888 | list_for_each_entry(p, &w->sinks, list_source) { |
Mark Brown | 215edda | 2009-09-08 18:59:05 +0100 | [diff] [blame] | 1889 | if (p->connected && !p->connected(w, p->sink)) |
| 1890 | continue; |
| 1891 | |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1892 | if (p->connect) |
| 1893 | ret += snprintf(buf + ret, PAGE_SIZE - ret, |
Dimitris Papastamos | 67f5ed6 | 2011-02-24 17:09:32 +0000 | [diff] [blame] | 1894 | " out \"%s\" \"%s\"\n", |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1895 | p->name ? p->name : "static", |
| 1896 | p->sink->name); |
| 1897 | } |
| 1898 | |
| 1899 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
| 1900 | |
| 1901 | kfree(buf); |
| 1902 | return ret; |
| 1903 | } |
| 1904 | |
| 1905 | static const struct file_operations dapm_widget_power_fops = { |
Stephen Boyd | 234e340 | 2012-04-05 14:25:11 -0700 | [diff] [blame] | 1906 | .open = simple_open, |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1907 | .read = dapm_widget_power_read_file, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 1908 | .llseek = default_llseek, |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1909 | }; |
| 1910 | |
Mark Brown | ef49e4f | 2011-04-04 20:48:13 +0900 | [diff] [blame] | 1911 | static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf, |
| 1912 | size_t count, loff_t *ppos) |
| 1913 | { |
| 1914 | struct snd_soc_dapm_context *dapm = file->private_data; |
| 1915 | char *level; |
| 1916 | |
| 1917 | switch (dapm->bias_level) { |
| 1918 | case SND_SOC_BIAS_ON: |
| 1919 | level = "On\n"; |
| 1920 | break; |
| 1921 | case SND_SOC_BIAS_PREPARE: |
| 1922 | level = "Prepare\n"; |
| 1923 | break; |
| 1924 | case SND_SOC_BIAS_STANDBY: |
| 1925 | level = "Standby\n"; |
| 1926 | break; |
| 1927 | case SND_SOC_BIAS_OFF: |
| 1928 | level = "Off\n"; |
| 1929 | break; |
| 1930 | default: |
Takashi Iwai | a6ed060 | 2013-11-06 11:07:19 +0100 | [diff] [blame] | 1931 | WARN(1, "Unknown bias_level %d\n", dapm->bias_level); |
Mark Brown | ef49e4f | 2011-04-04 20:48:13 +0900 | [diff] [blame] | 1932 | level = "Unknown\n"; |
| 1933 | break; |
| 1934 | } |
| 1935 | |
| 1936 | return simple_read_from_buffer(user_buf, count, ppos, level, |
| 1937 | strlen(level)); |
| 1938 | } |
| 1939 | |
| 1940 | static const struct file_operations dapm_bias_fops = { |
Stephen Boyd | 234e340 | 2012-04-05 14:25:11 -0700 | [diff] [blame] | 1941 | .open = simple_open, |
Mark Brown | ef49e4f | 2011-04-04 20:48:13 +0900 | [diff] [blame] | 1942 | .read = dapm_bias_read_file, |
| 1943 | .llseek = default_llseek, |
| 1944 | }; |
| 1945 | |
Lars-Peter Clausen | 8eecaf6 | 2011-04-30 19:45:48 +0200 | [diff] [blame] | 1946 | void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, |
| 1947 | struct dentry *parent) |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1948 | { |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1949 | struct dentry *d; |
| 1950 | |
Lars-Peter Clausen | 8eecaf6 | 2011-04-30 19:45:48 +0200 | [diff] [blame] | 1951 | dapm->debugfs_dapm = debugfs_create_dir("dapm", parent); |
| 1952 | |
| 1953 | if (!dapm->debugfs_dapm) { |
Liam Girdwood | f1e90af | 2012-03-06 18:13:25 +0000 | [diff] [blame] | 1954 | dev_warn(dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 1955 | "ASoC: Failed to create DAPM debugfs directory\n"); |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1956 | return; |
Lars-Peter Clausen | 8eecaf6 | 2011-04-30 19:45:48 +0200 | [diff] [blame] | 1957 | } |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1958 | |
Mark Brown | ef49e4f | 2011-04-04 20:48:13 +0900 | [diff] [blame] | 1959 | d = debugfs_create_file("bias_level", 0444, |
| 1960 | dapm->debugfs_dapm, dapm, |
| 1961 | &dapm_bias_fops); |
| 1962 | if (!d) |
| 1963 | dev_warn(dapm->dev, |
| 1964 | "ASoC: Failed to create bias level debugfs file\n"); |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1965 | } |
Lars-Peter Clausen | d5d1e0b | 2011-04-30 19:45:49 +0200 | [diff] [blame] | 1966 | |
| 1967 | static void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w) |
| 1968 | { |
| 1969 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 1970 | struct dentry *d; |
| 1971 | |
| 1972 | if (!dapm->debugfs_dapm || !w->name) |
| 1973 | return; |
| 1974 | |
| 1975 | d = debugfs_create_file(w->name, 0444, |
| 1976 | dapm->debugfs_dapm, w, |
| 1977 | &dapm_widget_power_fops); |
| 1978 | if (!d) |
| 1979 | dev_warn(w->dapm->dev, |
| 1980 | "ASoC: Failed to create %s debugfs file\n", |
| 1981 | w->name); |
| 1982 | } |
| 1983 | |
Lars-Peter Clausen | 6c45e12 | 2011-04-30 19:45:50 +0200 | [diff] [blame] | 1984 | static void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm) |
| 1985 | { |
| 1986 | debugfs_remove_recursive(dapm->debugfs_dapm); |
| 1987 | } |
| 1988 | |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1989 | #else |
Lars-Peter Clausen | 8eecaf6 | 2011-04-30 19:45:48 +0200 | [diff] [blame] | 1990 | void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, |
| 1991 | struct dentry *parent) |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 1992 | { |
| 1993 | } |
Lars-Peter Clausen | d5d1e0b | 2011-04-30 19:45:49 +0200 | [diff] [blame] | 1994 | |
| 1995 | static inline void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w) |
| 1996 | { |
| 1997 | } |
| 1998 | |
Lars-Peter Clausen | 6c45e12 | 2011-04-30 19:45:50 +0200 | [diff] [blame] | 1999 | static inline void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm) |
| 2000 | { |
| 2001 | } |
| 2002 | |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 2003 | #endif |
| 2004 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2005 | /* test and update the power status of a mux widget */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2006 | static int soc_dapm_mux_update_power(struct snd_soc_card *card, |
Liam Girdwood | 40f02cd | 2012-02-06 16:05:14 +0000 | [diff] [blame] | 2007 | struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2008 | { |
| 2009 | struct snd_soc_dapm_path *path; |
| 2010 | int found = 0; |
| 2011 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 2012 | lockdep_assert_held(&card->dapm_mutex); |
| 2013 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2014 | /* find dapm widget path assoc with kcontrol */ |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 2015 | dapm_kcontrol_for_each_path(path, kcontrol) { |
Richard Zhao | cb01e2b | 2008-10-07 08:05:20 +0800 | [diff] [blame] | 2016 | if (!path->name || !e->texts[mux]) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2017 | continue; |
| 2018 | |
| 2019 | found = 1; |
| 2020 | /* we now need to match the string in the enum to the path */ |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 2021 | if (!(strcmp(path->name, e->texts[mux]))) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2022 | path->connect = 1; /* new connection */ |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 2023 | dapm_mark_dirty(path->source, "mux connection"); |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 2024 | } else { |
| 2025 | if (path->connect) |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 2026 | dapm_mark_dirty(path->source, |
| 2027 | "mux disconnection"); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2028 | path->connect = 0; /* old connection must be powered down */ |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 2029 | } |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2030 | dapm_mark_dirty(path->sink, "mux change"); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2031 | } |
| 2032 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2033 | if (found) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2034 | dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2035 | |
Liam Girdwood | 618dae1 | 2012-04-25 12:12:51 +0100 | [diff] [blame] | 2036 | return found; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2037 | } |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2038 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2039 | int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, |
Lars-Peter Clausen | 6b3fc03 | 2013-07-24 15:27:38 +0200 | [diff] [blame] | 2040 | struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, |
| 2041 | struct snd_soc_dapm_update *update) |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2042 | { |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2043 | struct snd_soc_card *card = dapm->card; |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2044 | int ret; |
| 2045 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2046 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2047 | card->update = update; |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2048 | ret = soc_dapm_mux_update_power(card, kcontrol, mux, e); |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2049 | card->update = NULL; |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2050 | mutex_unlock(&card->dapm_mutex); |
Liam Girdwood | 618dae1 | 2012-04-25 12:12:51 +0100 | [diff] [blame] | 2051 | if (ret > 0) |
Lars-Peter Clausen | c3f48ae | 2013-07-24 15:27:36 +0200 | [diff] [blame] | 2052 | soc_dpcm_runtime_update(card); |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2053 | return ret; |
| 2054 | } |
Liam Girdwood | 40f02cd | 2012-02-06 16:05:14 +0000 | [diff] [blame] | 2055 | EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2056 | |
Milan plzik | 1b075e3 | 2008-01-10 14:39:46 +0100 | [diff] [blame] | 2057 | /* test and update the power status of a mixer or switch widget */ |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2058 | static int soc_dapm_mixer_update_power(struct snd_soc_card *card, |
Mark Brown | 283375c | 2009-12-07 18:09:03 +0000 | [diff] [blame] | 2059 | struct snd_kcontrol *kcontrol, int connect) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2060 | { |
| 2061 | struct snd_soc_dapm_path *path; |
| 2062 | int found = 0; |
| 2063 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 2064 | lockdep_assert_held(&card->dapm_mutex); |
| 2065 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2066 | /* find dapm widget path assoc with kcontrol */ |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 2067 | dapm_kcontrol_for_each_path(path, kcontrol) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2068 | found = 1; |
Mark Brown | 283375c | 2009-12-07 18:09:03 +0000 | [diff] [blame] | 2069 | path->connect = connect; |
Mark Brown | 75c1f89 | 2011-10-04 22:28:08 +0100 | [diff] [blame] | 2070 | dapm_mark_dirty(path->source, "mixer connection"); |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2071 | dapm_mark_dirty(path->sink, "mixer update"); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2072 | } |
| 2073 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2074 | if (found) |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2075 | dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2076 | |
Liam Girdwood | 618dae1 | 2012-04-25 12:12:51 +0100 | [diff] [blame] | 2077 | return found; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2078 | } |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2079 | |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2080 | int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, |
Lars-Peter Clausen | 6b3fc03 | 2013-07-24 15:27:38 +0200 | [diff] [blame] | 2081 | struct snd_kcontrol *kcontrol, int connect, |
| 2082 | struct snd_soc_dapm_update *update) |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2083 | { |
Lars-Peter Clausen | ce6cfaf | 2013-07-24 15:27:37 +0200 | [diff] [blame] | 2084 | struct snd_soc_card *card = dapm->card; |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2085 | int ret; |
| 2086 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2087 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2088 | card->update = update; |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2089 | ret = soc_dapm_mixer_update_power(card, kcontrol, connect); |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2090 | card->update = NULL; |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2091 | mutex_unlock(&card->dapm_mutex); |
Liam Girdwood | 618dae1 | 2012-04-25 12:12:51 +0100 | [diff] [blame] | 2092 | if (ret > 0) |
Lars-Peter Clausen | c3f48ae | 2013-07-24 15:27:36 +0200 | [diff] [blame] | 2093 | soc_dpcm_runtime_update(card); |
Liam Girdwood | 4edbb345 | 2012-03-07 10:38:27 +0000 | [diff] [blame] | 2094 | return ret; |
| 2095 | } |
Liam Girdwood | 40f02cd | 2012-02-06 16:05:14 +0000 | [diff] [blame] | 2096 | EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2097 | |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 2098 | static ssize_t dapm_widget_show_codec(struct snd_soc_codec *codec, char *buf) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2099 | { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2100 | struct snd_soc_dapm_widget *w; |
| 2101 | int count = 0; |
| 2102 | char *state = "not set"; |
| 2103 | |
Lars-Peter Clausen | 0020010 | 2014-07-17 22:01:07 +0200 | [diff] [blame] | 2104 | list_for_each_entry(w, &codec->component.card->widgets, list) { |
Jarkko Nikula | 97c866d | 2010-12-14 12:18:31 +0200 | [diff] [blame] | 2105 | if (w->dapm != &codec->dapm) |
| 2106 | continue; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2107 | |
| 2108 | /* only display widgets that burnm power */ |
| 2109 | switch (w->id) { |
| 2110 | case snd_soc_dapm_hp: |
| 2111 | case snd_soc_dapm_mic: |
| 2112 | case snd_soc_dapm_spk: |
| 2113 | case snd_soc_dapm_line: |
| 2114 | case snd_soc_dapm_micbias: |
| 2115 | case snd_soc_dapm_dac: |
| 2116 | case snd_soc_dapm_adc: |
| 2117 | case snd_soc_dapm_pga: |
Olaya, Margarita | d88429a | 2010-12-10 21:11:44 -0600 | [diff] [blame] | 2118 | case snd_soc_dapm_out_drv: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2119 | case snd_soc_dapm_mixer: |
Ian Molton | ca9c1aa | 2009-01-06 20:11:51 +0000 | [diff] [blame] | 2120 | case snd_soc_dapm_mixer_named_ctl: |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 2121 | case snd_soc_dapm_supply: |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 2122 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 2123 | case snd_soc_dapm_clock_supply: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2124 | if (w->name) |
| 2125 | count += sprintf(buf + count, "%s: %s\n", |
| 2126 | w->name, w->power ? "On":"Off"); |
| 2127 | break; |
| 2128 | default: |
| 2129 | break; |
| 2130 | } |
| 2131 | } |
| 2132 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2133 | switch (codec->dapm.bias_level) { |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 2134 | case SND_SOC_BIAS_ON: |
| 2135 | state = "On"; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2136 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 2137 | case SND_SOC_BIAS_PREPARE: |
| 2138 | state = "Prepare"; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2139 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 2140 | case SND_SOC_BIAS_STANDBY: |
| 2141 | state = "Standby"; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2142 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 2143 | case SND_SOC_BIAS_OFF: |
| 2144 | state = "Off"; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2145 | break; |
| 2146 | } |
| 2147 | count += sprintf(buf + count, "PM State: %s\n", state); |
| 2148 | |
| 2149 | return count; |
| 2150 | } |
| 2151 | |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 2152 | /* show dapm widget status in sys fs */ |
| 2153 | static ssize_t dapm_widget_show(struct device *dev, |
| 2154 | struct device_attribute *attr, char *buf) |
| 2155 | { |
| 2156 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
| 2157 | int i, count = 0; |
| 2158 | |
| 2159 | for (i = 0; i < rtd->num_codecs; i++) { |
| 2160 | struct snd_soc_codec *codec = rtd->codec_dais[i]->codec; |
| 2161 | count += dapm_widget_show_codec(codec, buf + count); |
| 2162 | } |
| 2163 | |
| 2164 | return count; |
| 2165 | } |
| 2166 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2167 | static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL); |
| 2168 | |
| 2169 | int snd_soc_dapm_sys_add(struct device *dev) |
| 2170 | { |
Troy Kisky | 12ef193 | 2008-10-13 17:42:14 -0700 | [diff] [blame] | 2171 | return device_create_file(dev, &dev_attr_dapm_widget); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2172 | } |
| 2173 | |
| 2174 | static void snd_soc_dapm_sys_remove(struct device *dev) |
| 2175 | { |
Mark Brown | aef9084 | 2009-05-16 17:53:16 +0100 | [diff] [blame] | 2176 | device_remove_file(dev, &dev_attr_dapm_widget); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2177 | } |
| 2178 | |
Lars-Peter Clausen | 8872293 | 2013-06-14 13:16:53 +0200 | [diff] [blame] | 2179 | static void dapm_free_path(struct snd_soc_dapm_path *path) |
| 2180 | { |
| 2181 | list_del(&path->list_sink); |
| 2182 | list_del(&path->list_source); |
Lars-Peter Clausen | 5106b92 | 2013-07-29 17:14:00 +0200 | [diff] [blame] | 2183 | list_del(&path->list_kcontrol); |
Lars-Peter Clausen | 8872293 | 2013-06-14 13:16:53 +0200 | [diff] [blame] | 2184 | list_del(&path->list); |
Lars-Peter Clausen | 8872293 | 2013-06-14 13:16:53 +0200 | [diff] [blame] | 2185 | kfree(path); |
| 2186 | } |
| 2187 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2188 | /* free all dapm widgets and resources */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2189 | static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2190 | { |
| 2191 | struct snd_soc_dapm_widget *w, *next_w; |
| 2192 | struct snd_soc_dapm_path *p, *next_p; |
| 2193 | |
Jarkko Nikula | 97c866d | 2010-12-14 12:18:31 +0200 | [diff] [blame] | 2194 | list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { |
| 2195 | if (w->dapm != dapm) |
| 2196 | continue; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2197 | list_del(&w->list); |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 2198 | /* |
| 2199 | * remove source and sink paths associated to this widget. |
| 2200 | * While removing the path, remove reference to it from both |
| 2201 | * source and sink widgets so that path is removed only once. |
| 2202 | */ |
Lars-Peter Clausen | 8872293 | 2013-06-14 13:16:53 +0200 | [diff] [blame] | 2203 | list_for_each_entry_safe(p, next_p, &w->sources, list_sink) |
| 2204 | dapm_free_path(p); |
| 2205 | |
| 2206 | list_for_each_entry_safe(p, next_p, &w->sinks, list_source) |
| 2207 | dapm_free_path(p); |
| 2208 | |
Stephen Warren | fad5988 | 2011-04-28 17:37:59 -0600 | [diff] [blame] | 2209 | kfree(w->kcontrols); |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 2210 | kfree(w->name); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2211 | kfree(w); |
| 2212 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2213 | } |
| 2214 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2215 | static struct snd_soc_dapm_widget *dapm_find_widget( |
| 2216 | struct snd_soc_dapm_context *dapm, const char *pin, |
| 2217 | bool search_other_contexts) |
| 2218 | { |
| 2219 | struct snd_soc_dapm_widget *w; |
| 2220 | struct snd_soc_dapm_widget *fallback = NULL; |
| 2221 | |
| 2222 | list_for_each_entry(w, &dapm->card->widgets, list) { |
| 2223 | if (!strcmp(w->name, pin)) { |
| 2224 | if (w->dapm == dapm) |
| 2225 | return w; |
| 2226 | else |
| 2227 | fallback = w; |
| 2228 | } |
| 2229 | } |
| 2230 | |
| 2231 | if (search_other_contexts) |
| 2232 | return fallback; |
| 2233 | |
| 2234 | return NULL; |
| 2235 | } |
| 2236 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2237 | static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, |
Mark Brown | 1649923 | 2009-01-07 18:25:13 +0000 | [diff] [blame] | 2238 | const char *pin, int status) |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2239 | { |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2240 | struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2241 | |
Mark Brown | f9fa2b1 | 2014-03-06 16:49:11 +0800 | [diff] [blame] | 2242 | dapm_assert_locked(dapm); |
| 2243 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2244 | if (!w) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2245 | dev_err(dapm->dev, "ASoC: DAPM unknown pin %s\n", pin); |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2246 | return -EINVAL; |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2247 | } |
| 2248 | |
Mark Brown | 1a8b2d9 | 2012-02-16 11:50:07 -0800 | [diff] [blame] | 2249 | if (w->connected != status) |
| 2250 | dapm_mark_dirty(w, "pin configuration"); |
| 2251 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2252 | w->connected = status; |
| 2253 | if (status == 0) |
| 2254 | w->force = 0; |
Mark Brown | 0d86733 | 2011-04-06 11:38:14 +0900 | [diff] [blame] | 2255 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 2256 | return 0; |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2257 | } |
| 2258 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2259 | /** |
Charles Keepax | 3eb29df | 2014-02-18 15:22:15 +0000 | [diff] [blame] | 2260 | * snd_soc_dapm_sync_unlocked - scan and power dapm paths |
| 2261 | * @dapm: DAPM context |
| 2262 | * |
| 2263 | * Walks all dapm audio paths and powers widgets according to their |
| 2264 | * stream or path usage. |
| 2265 | * |
| 2266 | * Requires external locking. |
| 2267 | * |
| 2268 | * Returns 0 for success. |
| 2269 | */ |
| 2270 | int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm) |
| 2271 | { |
| 2272 | /* |
| 2273 | * Suppress early reports (eg, jacks syncing their state) to avoid |
| 2274 | * silly DAPM runs during card startup. |
| 2275 | */ |
| 2276 | if (!dapm->card || !dapm->card->instantiated) |
| 2277 | return 0; |
| 2278 | |
| 2279 | return dapm_power_widgets(dapm->card, SND_SOC_DAPM_STREAM_NOP); |
| 2280 | } |
| 2281 | EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_unlocked); |
| 2282 | |
| 2283 | /** |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2284 | * snd_soc_dapm_sync - scan and power dapm paths |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2285 | * @dapm: DAPM context |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2286 | * |
| 2287 | * Walks all dapm audio paths and powers widgets according to their |
| 2288 | * stream or path usage. |
| 2289 | * |
| 2290 | * Returns 0 for success. |
| 2291 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2292 | int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2293 | { |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2294 | int ret; |
| 2295 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2296 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Charles Keepax | 3eb29df | 2014-02-18 15:22:15 +0000 | [diff] [blame] | 2297 | ret = snd_soc_dapm_sync_unlocked(dapm); |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2298 | mutex_unlock(&dapm->card->dapm_mutex); |
| 2299 | return ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2300 | } |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 2301 | EXPORT_SYMBOL_GPL(snd_soc_dapm_sync); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2302 | |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2303 | static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, |
| 2304 | struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink, |
| 2305 | const char *control, |
| 2306 | int (*connected)(struct snd_soc_dapm_widget *source, |
| 2307 | struct snd_soc_dapm_widget *sink)) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2308 | { |
| 2309 | struct snd_soc_dapm_path *path; |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2310 | int ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2311 | |
| 2312 | path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL); |
| 2313 | if (!path) |
| 2314 | return -ENOMEM; |
| 2315 | |
| 2316 | path->source = wsource; |
| 2317 | path->sink = wsink; |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2318 | path->connected = connected; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2319 | INIT_LIST_HEAD(&path->list); |
Mark Brown | 69c2d34 | 2013-08-13 00:20:36 +0100 | [diff] [blame] | 2320 | INIT_LIST_HEAD(&path->list_kcontrol); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2321 | INIT_LIST_HEAD(&path->list_source); |
| 2322 | INIT_LIST_HEAD(&path->list_sink); |
| 2323 | |
| 2324 | /* check for external widgets */ |
| 2325 | if (wsink->id == snd_soc_dapm_input) { |
| 2326 | if (wsource->id == snd_soc_dapm_micbias || |
| 2327 | wsource->id == snd_soc_dapm_mic || |
Rongrong Cao | 087d53a | 2009-07-10 20:13:30 +0100 | [diff] [blame] | 2328 | wsource->id == snd_soc_dapm_line || |
| 2329 | wsource->id == snd_soc_dapm_output) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2330 | wsink->ext = 1; |
| 2331 | } |
| 2332 | if (wsource->id == snd_soc_dapm_output) { |
| 2333 | if (wsink->id == snd_soc_dapm_spk || |
| 2334 | wsink->id == snd_soc_dapm_hp || |
Seth Forshee | 1e39221 | 2007-04-16 15:36:42 +0200 | [diff] [blame] | 2335 | wsink->id == snd_soc_dapm_line || |
| 2336 | wsink->id == snd_soc_dapm_input) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2337 | wsource->ext = 1; |
| 2338 | } |
| 2339 | |
Lars-Peter Clausen | 34742cb | 2013-08-27 15:50:54 +0200 | [diff] [blame] | 2340 | dapm_mark_dirty(wsource, "Route added"); |
| 2341 | dapm_mark_dirty(wsink, "Route added"); |
| 2342 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2343 | /* connect static paths */ |
| 2344 | if (control == NULL) { |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 2345 | list_add(&path->list, &dapm->card->paths); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2346 | list_add(&path->list_sink, &wsink->sources); |
| 2347 | list_add(&path->list_source, &wsource->sinks); |
| 2348 | path->connect = 1; |
| 2349 | return 0; |
| 2350 | } |
| 2351 | |
| 2352 | /* connect dynamic paths */ |
Lu Guanqun | dc2bea6 | 2011-04-20 16:00:36 +0800 | [diff] [blame] | 2353 | switch (wsink->id) { |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2354 | case snd_soc_dapm_adc: |
| 2355 | case snd_soc_dapm_dac: |
| 2356 | case snd_soc_dapm_pga: |
Olaya, Margarita | d88429a | 2010-12-10 21:11:44 -0600 | [diff] [blame] | 2357 | case snd_soc_dapm_out_drv: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2358 | case snd_soc_dapm_input: |
| 2359 | case snd_soc_dapm_output: |
Mark Brown | 1ab97c8 | 2011-11-27 16:21:51 +0000 | [diff] [blame] | 2360 | case snd_soc_dapm_siggen: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2361 | case snd_soc_dapm_micbias: |
| 2362 | case snd_soc_dapm_vmid: |
| 2363 | case snd_soc_dapm_pre: |
| 2364 | case snd_soc_dapm_post: |
Mark Brown | 246d0a1 | 2009-04-22 18:24:55 +0100 | [diff] [blame] | 2365 | case snd_soc_dapm_supply: |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 2366 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 2367 | case snd_soc_dapm_clock_supply: |
Mark Brown | 010ff26 | 2009-08-17 17:39:22 +0100 | [diff] [blame] | 2368 | case snd_soc_dapm_aif_in: |
| 2369 | case snd_soc_dapm_aif_out: |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 2370 | case snd_soc_dapm_dai_in: |
| 2371 | case snd_soc_dapm_dai_out: |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 2372 | case snd_soc_dapm_dai_link: |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2373 | case snd_soc_dapm_kcontrol: |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 2374 | list_add(&path->list, &dapm->card->paths); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2375 | list_add(&path->list_sink, &wsink->sources); |
| 2376 | list_add(&path->list_source, &wsource->sinks); |
| 2377 | path->connect = 1; |
| 2378 | return 0; |
| 2379 | case snd_soc_dapm_mux: |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2380 | ret = dapm_connect_mux(dapm, wsource, wsink, path, control, |
Stephen Warren | 82cfecd | 2011-04-28 17:37:58 -0600 | [diff] [blame] | 2381 | &wsink->kcontrol_news[0]); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2382 | if (ret != 0) |
| 2383 | goto err; |
| 2384 | break; |
| 2385 | case snd_soc_dapm_switch: |
| 2386 | case snd_soc_dapm_mixer: |
Ian Molton | ca9c1aa | 2009-01-06 20:11:51 +0000 | [diff] [blame] | 2387 | case snd_soc_dapm_mixer_named_ctl: |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2388 | ret = dapm_connect_mixer(dapm, wsource, wsink, path, control); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2389 | if (ret != 0) |
| 2390 | goto err; |
| 2391 | break; |
| 2392 | case snd_soc_dapm_hp: |
| 2393 | case snd_soc_dapm_mic: |
| 2394 | case snd_soc_dapm_line: |
| 2395 | case snd_soc_dapm_spk: |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 2396 | list_add(&path->list, &dapm->card->paths); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2397 | list_add(&path->list_sink, &wsink->sources); |
| 2398 | list_add(&path->list_source, &wsource->sinks); |
| 2399 | path->connect = 0; |
| 2400 | return 0; |
| 2401 | } |
Mark Brown | fabd038 | 2012-07-05 17:20:06 +0100 | [diff] [blame] | 2402 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2403 | return 0; |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2404 | err: |
| 2405 | kfree(path); |
| 2406 | return ret; |
| 2407 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2408 | |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2409 | static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm, |
Lars-Peter Clausen | a4e9154 | 2014-05-07 16:20:25 +0200 | [diff] [blame] | 2410 | const struct snd_soc_dapm_route *route) |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2411 | { |
| 2412 | struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w; |
| 2413 | struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL; |
| 2414 | const char *sink; |
| 2415 | const char *source; |
| 2416 | char prefixed_sink[80]; |
| 2417 | char prefixed_source[80]; |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2418 | const char *prefix; |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2419 | int ret; |
| 2420 | |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2421 | prefix = soc_dapm_prefix(dapm); |
| 2422 | if (prefix) { |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2423 | snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s", |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2424 | prefix, route->sink); |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2425 | sink = prefixed_sink; |
| 2426 | snprintf(prefixed_source, sizeof(prefixed_source), "%s %s", |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2427 | prefix, route->source); |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2428 | source = prefixed_source; |
| 2429 | } else { |
| 2430 | sink = route->sink; |
| 2431 | source = route->source; |
| 2432 | } |
| 2433 | |
| 2434 | /* |
| 2435 | * find src and dest widgets over all widgets but favor a widget from |
| 2436 | * current DAPM context |
| 2437 | */ |
| 2438 | list_for_each_entry(w, &dapm->card->widgets, list) { |
| 2439 | if (!wsink && !(strcmp(w->name, sink))) { |
| 2440 | wtsink = w; |
| 2441 | if (w->dapm == dapm) |
| 2442 | wsink = w; |
| 2443 | continue; |
| 2444 | } |
| 2445 | if (!wsource && !(strcmp(w->name, source))) { |
| 2446 | wtsource = w; |
| 2447 | if (w->dapm == dapm) |
| 2448 | wsource = w; |
| 2449 | } |
| 2450 | } |
| 2451 | /* use widget from another DAPM context if not found from this */ |
| 2452 | if (!wsink) |
| 2453 | wsink = wtsink; |
| 2454 | if (!wsource) |
| 2455 | wsource = wtsource; |
| 2456 | |
| 2457 | if (wsource == NULL) { |
| 2458 | dev_err(dapm->dev, "ASoC: no source widget found for %s\n", |
| 2459 | route->source); |
| 2460 | return -ENODEV; |
| 2461 | } |
| 2462 | if (wsink == NULL) { |
| 2463 | dev_err(dapm->dev, "ASoC: no sink widget found for %s\n", |
| 2464 | route->sink); |
| 2465 | return -ENODEV; |
| 2466 | } |
| 2467 | |
| 2468 | ret = snd_soc_dapm_add_path(dapm, wsource, wsink, route->control, |
| 2469 | route->connected); |
| 2470 | if (ret) |
| 2471 | goto err; |
| 2472 | |
| 2473 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2474 | err: |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2475 | dev_warn(dapm->dev, "ASoC: no dapm match for %s --> %s --> %s\n", |
Lars-Peter Clausen | 2553628 | 2013-07-29 17:14:02 +0200 | [diff] [blame] | 2476 | source, route->control, sink); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2477 | return ret; |
| 2478 | } |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2479 | |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2480 | static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm, |
| 2481 | const struct snd_soc_dapm_route *route) |
| 2482 | { |
| 2483 | struct snd_soc_dapm_path *path, *p; |
| 2484 | const char *sink; |
| 2485 | const char *source; |
| 2486 | char prefixed_sink[80]; |
| 2487 | char prefixed_source[80]; |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2488 | const char *prefix; |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2489 | |
| 2490 | if (route->control) { |
| 2491 | dev_err(dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2492 | "ASoC: Removal of routes with controls not supported\n"); |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2493 | return -EINVAL; |
| 2494 | } |
| 2495 | |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2496 | prefix = soc_dapm_prefix(dapm); |
| 2497 | if (prefix) { |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2498 | snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s", |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2499 | prefix, route->sink); |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2500 | sink = prefixed_sink; |
| 2501 | snprintf(prefixed_source, sizeof(prefixed_source), "%s %s", |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 2502 | prefix, route->source); |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2503 | source = prefixed_source; |
| 2504 | } else { |
| 2505 | sink = route->sink; |
| 2506 | source = route->source; |
| 2507 | } |
| 2508 | |
| 2509 | path = NULL; |
| 2510 | list_for_each_entry(p, &dapm->card->paths, list) { |
| 2511 | if (strcmp(p->source->name, source) != 0) |
| 2512 | continue; |
| 2513 | if (strcmp(p->sink->name, sink) != 0) |
| 2514 | continue; |
| 2515 | path = p; |
| 2516 | break; |
| 2517 | } |
| 2518 | |
| 2519 | if (path) { |
| 2520 | dapm_mark_dirty(path->source, "Route removed"); |
| 2521 | dapm_mark_dirty(path->sink, "Route removed"); |
| 2522 | |
Lars-Peter Clausen | 8872293 | 2013-06-14 13:16:53 +0200 | [diff] [blame] | 2523 | dapm_free_path(path); |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2524 | } else { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2525 | dev_warn(dapm->dev, "ASoC: Route %s->%s does not exist\n", |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2526 | source, sink); |
| 2527 | } |
| 2528 | |
| 2529 | return 0; |
| 2530 | } |
| 2531 | |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2532 | /** |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2533 | * snd_soc_dapm_add_routes - Add routes between DAPM widgets |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2534 | * @dapm: DAPM context |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2535 | * @route: audio routes |
| 2536 | * @num: number of routes |
| 2537 | * |
| 2538 | * Connects 2 dapm widgets together via a named audio path. The sink is |
| 2539 | * the widget receiving the audio signal, whilst the source is the sender |
| 2540 | * of the audio signal. |
| 2541 | * |
| 2542 | * Returns 0 for success else error. On error all resources can be freed |
| 2543 | * with a call to snd_soc_card_free(). |
| 2544 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2545 | int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2546 | const struct snd_soc_dapm_route *route, int num) |
| 2547 | { |
Mark Brown | 62d4a4b | 2012-06-22 12:21:49 +0100 | [diff] [blame] | 2548 | int i, r, ret = 0; |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2549 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2550 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2551 | for (i = 0; i < num; i++) { |
Lars-Peter Clausen | a4e9154 | 2014-05-07 16:20:25 +0200 | [diff] [blame] | 2552 | r = snd_soc_dapm_add_route(dapm, route); |
Mark Brown | 62d4a4b | 2012-06-22 12:21:49 +0100 | [diff] [blame] | 2553 | if (r < 0) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2554 | dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n", |
| 2555 | route->source, |
| 2556 | route->control ? route->control : "direct", |
| 2557 | route->sink); |
Mark Brown | 62d4a4b | 2012-06-22 12:21:49 +0100 | [diff] [blame] | 2558 | ret = r; |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2559 | } |
| 2560 | route++; |
| 2561 | } |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2562 | mutex_unlock(&dapm->card->dapm_mutex); |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2563 | |
Dan Carpenter | 60884c2 | 2012-04-13 22:25:43 +0300 | [diff] [blame] | 2564 | return ret; |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2565 | } |
| 2566 | EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes); |
| 2567 | |
Mark Brown | efcc3c6 | 2012-07-05 17:24:19 +0100 | [diff] [blame] | 2568 | /** |
| 2569 | * snd_soc_dapm_del_routes - Remove routes between DAPM widgets |
| 2570 | * @dapm: DAPM context |
| 2571 | * @route: audio routes |
| 2572 | * @num: number of routes |
| 2573 | * |
| 2574 | * Removes routes from the DAPM context. |
| 2575 | */ |
| 2576 | int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, |
| 2577 | const struct snd_soc_dapm_route *route, int num) |
| 2578 | { |
| 2579 | int i, ret = 0; |
| 2580 | |
| 2581 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); |
| 2582 | for (i = 0; i < num; i++) { |
| 2583 | snd_soc_dapm_del_route(dapm, route); |
| 2584 | route++; |
| 2585 | } |
| 2586 | mutex_unlock(&dapm->card->dapm_mutex); |
| 2587 | |
| 2588 | return ret; |
| 2589 | } |
| 2590 | EXPORT_SYMBOL_GPL(snd_soc_dapm_del_routes); |
| 2591 | |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2592 | static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm, |
| 2593 | const struct snd_soc_dapm_route *route) |
| 2594 | { |
| 2595 | struct snd_soc_dapm_widget *source = dapm_find_widget(dapm, |
| 2596 | route->source, |
| 2597 | true); |
| 2598 | struct snd_soc_dapm_widget *sink = dapm_find_widget(dapm, |
| 2599 | route->sink, |
| 2600 | true); |
| 2601 | struct snd_soc_dapm_path *path; |
| 2602 | int count = 0; |
| 2603 | |
| 2604 | if (!source) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2605 | dev_err(dapm->dev, "ASoC: Unable to find source %s for weak route\n", |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2606 | route->source); |
| 2607 | return -ENODEV; |
| 2608 | } |
| 2609 | |
| 2610 | if (!sink) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2611 | dev_err(dapm->dev, "ASoC: Unable to find sink %s for weak route\n", |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2612 | route->sink); |
| 2613 | return -ENODEV; |
| 2614 | } |
| 2615 | |
| 2616 | if (route->control || route->connected) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2617 | dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n", |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2618 | route->source, route->sink); |
| 2619 | |
| 2620 | list_for_each_entry(path, &source->sinks, list_source) { |
| 2621 | if (path->sink == sink) { |
| 2622 | path->weak = 1; |
| 2623 | count++; |
| 2624 | } |
| 2625 | } |
| 2626 | |
| 2627 | if (count == 0) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2628 | dev_err(dapm->dev, "ASoC: No path found for weak route %s->%s\n", |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2629 | route->source, route->sink); |
| 2630 | if (count > 1) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2631 | dev_warn(dapm->dev, "ASoC: %d paths found for weak route %s->%s\n", |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2632 | count, route->source, route->sink); |
| 2633 | |
| 2634 | return 0; |
| 2635 | } |
| 2636 | |
| 2637 | /** |
| 2638 | * snd_soc_dapm_weak_routes - Mark routes between DAPM widgets as weak |
| 2639 | * @dapm: DAPM context |
| 2640 | * @route: audio routes |
| 2641 | * @num: number of routes |
| 2642 | * |
| 2643 | * Mark existing routes matching those specified in the passed array |
| 2644 | * as being weak, meaning that they are ignored for the purpose of |
| 2645 | * power decisions. The main intended use case is for sidetone paths |
| 2646 | * which couple audio between other independent paths if they are both |
| 2647 | * active in order to make the combination work better at the user |
| 2648 | * level but which aren't intended to be "used". |
| 2649 | * |
| 2650 | * Note that CODEC drivers should not use this as sidetone type paths |
| 2651 | * can frequently also be used as bypass paths. |
| 2652 | */ |
| 2653 | int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, |
| 2654 | const struct snd_soc_dapm_route *route, int num) |
| 2655 | { |
| 2656 | int i, err; |
| 2657 | int ret = 0; |
| 2658 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2659 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2660 | for (i = 0; i < num; i++) { |
| 2661 | err = snd_soc_dapm_weak_route(dapm, route); |
| 2662 | if (err) |
| 2663 | ret = err; |
| 2664 | route++; |
| 2665 | } |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2666 | mutex_unlock(&dapm->card->dapm_mutex); |
Mark Brown | bf3a9e1 | 2011-06-13 16:42:29 +0100 | [diff] [blame] | 2667 | |
| 2668 | return ret; |
| 2669 | } |
| 2670 | EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes); |
| 2671 | |
Mark Brown | 105f1c2 | 2008-05-13 14:52:19 +0200 | [diff] [blame] | 2672 | /** |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2673 | * snd_soc_dapm_new_widgets - add new dapm widgets |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 2674 | * @dapm: DAPM context |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2675 | * |
| 2676 | * Checks the codec for any new dapm widgets and creates them if found. |
| 2677 | * |
| 2678 | * Returns 0 for success. |
| 2679 | */ |
Lars-Peter Clausen | 824ef82 | 2013-08-27 15:51:01 +0200 | [diff] [blame] | 2680 | int snd_soc_dapm_new_widgets(struct snd_soc_card *card) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2681 | { |
| 2682 | struct snd_soc_dapm_widget *w; |
Mark Brown | b66a70d | 2011-02-09 18:04:11 +0000 | [diff] [blame] | 2683 | unsigned int val; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2684 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2685 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2686 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2687 | list_for_each_entry(w, &card->widgets, list) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2688 | { |
| 2689 | if (w->new) |
| 2690 | continue; |
| 2691 | |
Stephen Warren | fad5988 | 2011-04-28 17:37:59 -0600 | [diff] [blame] | 2692 | if (w->num_kcontrols) { |
| 2693 | w->kcontrols = kzalloc(w->num_kcontrols * |
| 2694 | sizeof(struct snd_kcontrol *), |
| 2695 | GFP_KERNEL); |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2696 | if (!w->kcontrols) { |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2697 | mutex_unlock(&card->dapm_mutex); |
Stephen Warren | fad5988 | 2011-04-28 17:37:59 -0600 | [diff] [blame] | 2698 | return -ENOMEM; |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2699 | } |
Stephen Warren | fad5988 | 2011-04-28 17:37:59 -0600 | [diff] [blame] | 2700 | } |
| 2701 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2702 | switch(w->id) { |
| 2703 | case snd_soc_dapm_switch: |
| 2704 | case snd_soc_dapm_mixer: |
Ian Molton | ca9c1aa | 2009-01-06 20:11:51 +0000 | [diff] [blame] | 2705 | case snd_soc_dapm_mixer_named_ctl: |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 2706 | dapm_new_mixer(w); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2707 | break; |
| 2708 | case snd_soc_dapm_mux: |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 2709 | dapm_new_mux(w); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2710 | break; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2711 | case snd_soc_dapm_pga: |
Olaya, Margarita | d88429a | 2010-12-10 21:11:44 -0600 | [diff] [blame] | 2712 | case snd_soc_dapm_out_drv: |
Lars-Peter Clausen | 4b80b8c | 2011-06-09 13:22:36 +0200 | [diff] [blame] | 2713 | dapm_new_pga(w); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2714 | break; |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 2715 | default: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2716 | break; |
| 2717 | } |
Mark Brown | b66a70d | 2011-02-09 18:04:11 +0000 | [diff] [blame] | 2718 | |
| 2719 | /* Read the initial power state from the device */ |
| 2720 | if (w->reg >= 0) { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2721 | soc_dapm_read(w->dapm, w->reg, &val); |
Arun Shamanna Lakshmi | f7d3c17 | 2014-01-14 15:31:54 -0800 | [diff] [blame] | 2722 | val = val >> w->shift; |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 2723 | val &= w->mask; |
| 2724 | if (val == w->on_val) |
Mark Brown | b66a70d | 2011-02-09 18:04:11 +0000 | [diff] [blame] | 2725 | w->power = 1; |
| 2726 | } |
| 2727 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2728 | w->new = 1; |
Lars-Peter Clausen | d5d1e0b | 2011-04-30 19:45:49 +0200 | [diff] [blame] | 2729 | |
Mark Brown | 7508b12 | 2011-10-05 12:09:12 +0100 | [diff] [blame] | 2730 | dapm_mark_dirty(w, "new widget"); |
Lars-Peter Clausen | d5d1e0b | 2011-04-30 19:45:49 +0200 | [diff] [blame] | 2731 | dapm_debugfs_add_widget(w); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2732 | } |
| 2733 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 2734 | dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP); |
| 2735 | mutex_unlock(&card->dapm_mutex); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2736 | return 0; |
| 2737 | } |
| 2738 | EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets); |
| 2739 | |
| 2740 | /** |
| 2741 | * snd_soc_dapm_get_volsw - dapm mixer get callback |
| 2742 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2743 | * @ucontrol: control element information |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2744 | * |
| 2745 | * Callback to get the value of a dapm mixer control. |
| 2746 | * |
| 2747 | * Returns 0 for success. |
| 2748 | */ |
| 2749 | int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, |
| 2750 | struct snd_ctl_elem_value *ucontrol) |
| 2751 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2752 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
| 2753 | struct snd_soc_card *card = dapm->card; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2754 | struct soc_mixer_control *mc = |
| 2755 | (struct soc_mixer_control *)kcontrol->private_value; |
Lars-Peter Clausen | 249ce13 | 2013-10-06 13:43:49 +0200 | [diff] [blame] | 2756 | int reg = mc->reg; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2757 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2758 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2759 | unsigned int mask = (1 << fls(max)) - 1; |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2760 | unsigned int invert = mc->invert; |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2761 | unsigned int val; |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2762 | int ret = 0; |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2763 | |
| 2764 | if (snd_soc_volsw_is_stereo(mc)) |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2765 | dev_warn(dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2766 | "ASoC: Control '%s' is stereo, which is not supported\n", |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2767 | kcontrol->id.name); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2768 | |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2769 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2770 | if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM) { |
| 2771 | ret = soc_dapm_read(dapm, reg, &val); |
| 2772 | val = (val >> shift) & mask; |
| 2773 | } else { |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2774 | val = dapm_kcontrol_get_value(kcontrol); |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2775 | } |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2776 | mutex_unlock(&card->dapm_mutex); |
| 2777 | |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2778 | if (invert) |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 2779 | ucontrol->value.integer.value[0] = max - val; |
| 2780 | else |
| 2781 | ucontrol->value.integer.value[0] = val; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2782 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2783 | return ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2784 | } |
| 2785 | EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw); |
| 2786 | |
| 2787 | /** |
| 2788 | * snd_soc_dapm_put_volsw - dapm mixer set callback |
| 2789 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2790 | * @ucontrol: control element information |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2791 | * |
| 2792 | * Callback to set the value of a dapm mixer control. |
| 2793 | * |
| 2794 | * Returns 0 for success. |
| 2795 | */ |
| 2796 | int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, |
| 2797 | struct snd_ctl_elem_value *ucontrol) |
| 2798 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2799 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
| 2800 | struct snd_soc_card *card = dapm->card; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2801 | struct soc_mixer_control *mc = |
| 2802 | (struct soc_mixer_control *)kcontrol->private_value; |
Lars-Peter Clausen | 249ce13 | 2013-10-06 13:43:49 +0200 | [diff] [blame] | 2803 | int reg = mc->reg; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2804 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2805 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2806 | unsigned int mask = (1 << fls(max)) - 1; |
| 2807 | unsigned int invert = mc->invert; |
Stephen Warren | e9cf704 | 2011-01-27 14:54:05 -0700 | [diff] [blame] | 2808 | unsigned int val; |
Jarkko Nikula | 18626c7 | 2014-06-09 14:20:29 +0300 | [diff] [blame] | 2809 | int connect, change, reg_change = 0; |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2810 | struct snd_soc_dapm_update update; |
Nenghua Cao | 5276597 | 2013-12-13 20:13:49 +0800 | [diff] [blame] | 2811 | int ret = 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2812 | |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2813 | if (snd_soc_volsw_is_stereo(mc)) |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2814 | dev_warn(dapm->dev, |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 2815 | "ASoC: Control '%s' is stereo, which is not supported\n", |
Benoît Thébaudeau | da602ab | 2012-07-03 20:18:17 +0200 | [diff] [blame] | 2816 | kcontrol->id.name); |
| 2817 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2818 | val = (ucontrol->value.integer.value[0] & mask); |
Benoît Thébaudeau | 8a72071 | 2012-06-18 22:41:28 +0200 | [diff] [blame] | 2819 | connect = !!val; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2820 | |
| 2821 | if (invert) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2822 | val = max - val; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2823 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2824 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2825 | |
Lars-Peter Clausen | 249ce13 | 2013-10-06 13:43:49 +0200 | [diff] [blame] | 2826 | change = dapm_kcontrol_set_value(kcontrol, val); |
Mark Brown | 283375c | 2009-12-07 18:09:03 +0000 | [diff] [blame] | 2827 | |
Jarkko Nikula | 18626c7 | 2014-06-09 14:20:29 +0300 | [diff] [blame] | 2828 | if (reg != SND_SOC_NOPM) { |
| 2829 | mask = mask << shift; |
| 2830 | val = val << shift; |
Lars-Peter Clausen | c9e065c | 2014-05-04 19:17:05 +0200 | [diff] [blame] | 2831 | |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2832 | reg_change = soc_dapm_test_bits(dapm, reg, mask, val); |
Jarkko Nikula | 18626c7 | 2014-06-09 14:20:29 +0300 | [diff] [blame] | 2833 | } |
| 2834 | |
| 2835 | if (change || reg_change) { |
| 2836 | if (reg_change) { |
| 2837 | update.kcontrol = kcontrol; |
| 2838 | update.reg = reg; |
| 2839 | update.mask = mask; |
| 2840 | update.val = val; |
| 2841 | card->update = &update; |
Lars-Peter Clausen | 249ce13 | 2013-10-06 13:43:49 +0200 | [diff] [blame] | 2842 | } |
Jarkko Nikula | 18626c7 | 2014-06-09 14:20:29 +0300 | [diff] [blame] | 2843 | change |= reg_change; |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2844 | |
Nenghua Cao | 5276597 | 2013-12-13 20:13:49 +0800 | [diff] [blame] | 2845 | ret = soc_dapm_mixer_update_power(card, kcontrol, connect); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2846 | |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2847 | card->update = NULL; |
Mark Brown | 283375c | 2009-12-07 18:09:03 +0000 | [diff] [blame] | 2848 | } |
| 2849 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2850 | mutex_unlock(&card->dapm_mutex); |
Nenghua Cao | 5276597 | 2013-12-13 20:13:49 +0800 | [diff] [blame] | 2851 | |
| 2852 | if (ret > 0) |
| 2853 | soc_dpcm_runtime_update(card); |
| 2854 | |
Lars-Peter Clausen | 56a6783 | 2013-07-24 15:27:35 +0200 | [diff] [blame] | 2855 | return change; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2856 | } |
| 2857 | EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw); |
| 2858 | |
| 2859 | /** |
| 2860 | * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback |
| 2861 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2862 | * @ucontrol: control element information |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2863 | * |
| 2864 | * Callback to get the value of a dapm enumerated double mixer control. |
| 2865 | * |
| 2866 | * Returns 0 for success. |
| 2867 | */ |
| 2868 | int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, |
| 2869 | struct snd_ctl_elem_value *ucontrol) |
| 2870 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2871 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2872 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2873 | unsigned int reg_val, val; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2874 | |
Geert Uytterhoeven | 6912831 | 2014-08-08 17:29:35 +0200 | [diff] [blame] | 2875 | if (e->reg != SND_SOC_NOPM) { |
| 2876 | int ret = soc_dapm_read(dapm, e->reg, ®_val); |
| 2877 | if (ret) |
| 2878 | return ret; |
| 2879 | } else { |
Lars-Peter Clausen | 236aaa6 | 2014-02-28 08:31:11 +0100 | [diff] [blame] | 2880 | reg_val = dapm_kcontrol_get_value(kcontrol); |
Geert Uytterhoeven | 6912831 | 2014-08-08 17:29:35 +0200 | [diff] [blame] | 2881 | } |
Lars-Peter Clausen | 236aaa6 | 2014-02-28 08:31:11 +0100 | [diff] [blame] | 2882 | |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2883 | val = (reg_val >> e->shift_l) & e->mask; |
| 2884 | ucontrol->value.enumerated.item[0] = snd_soc_enum_val_to_item(e, val); |
| 2885 | if (e->shift_l != e->shift_r) { |
| 2886 | val = (reg_val >> e->shift_r) & e->mask; |
| 2887 | val = snd_soc_enum_val_to_item(e, val); |
| 2888 | ucontrol->value.enumerated.item[1] = val; |
| 2889 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2890 | |
Geert Uytterhoeven | 6912831 | 2014-08-08 17:29:35 +0200 | [diff] [blame] | 2891 | return 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2892 | } |
| 2893 | EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); |
| 2894 | |
| 2895 | /** |
| 2896 | * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback |
| 2897 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2898 | * @ucontrol: control element information |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2899 | * |
| 2900 | * Callback to set the value of a dapm enumerated double mixer control. |
| 2901 | * |
| 2902 | * Returns 0 for success. |
| 2903 | */ |
| 2904 | int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, |
| 2905 | struct snd_ctl_elem_value *ucontrol) |
| 2906 | { |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2907 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
| 2908 | struct snd_soc_card *card = dapm->card; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2909 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2910 | unsigned int *item = ucontrol->value.enumerated.item; |
| 2911 | unsigned int val, change; |
Lars-Peter Clausen | 86767b7 | 2012-09-14 13:57:27 +0200 | [diff] [blame] | 2912 | unsigned int mask; |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2913 | struct snd_soc_dapm_update update; |
Nenghua Cao | 5276597 | 2013-12-13 20:13:49 +0800 | [diff] [blame] | 2914 | int ret = 0; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2915 | |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2916 | if (item[0] >= e->items) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2917 | return -EINVAL; |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2918 | |
| 2919 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
Lars-Peter Clausen | 86767b7 | 2012-09-14 13:57:27 +0200 | [diff] [blame] | 2920 | mask = e->mask << e->shift_l; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2921 | if (e->shift_l != e->shift_r) { |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2922 | if (item[1] > e->items) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2923 | return -EINVAL; |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2924 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_l; |
Lars-Peter Clausen | 86767b7 | 2012-09-14 13:57:27 +0200 | [diff] [blame] | 2925 | mask |= e->mask << e->shift_r; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2926 | } |
| 2927 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2928 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Stephen Warren | fafd217 | 2011-04-28 17:38:00 -0600 | [diff] [blame] | 2929 | |
Lars-Peter Clausen | 236aaa6 | 2014-02-28 08:31:11 +0100 | [diff] [blame] | 2930 | if (e->reg != SND_SOC_NOPM) |
Lars-Peter Clausen | ce0fc93 | 2014-06-16 18:13:06 +0200 | [diff] [blame] | 2931 | change = soc_dapm_test_bits(dapm, e->reg, mask, val); |
Lars-Peter Clausen | 236aaa6 | 2014-02-28 08:31:11 +0100 | [diff] [blame] | 2932 | else |
| 2933 | change = dapm_kcontrol_set_value(kcontrol, val); |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2934 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2935 | if (change) { |
Lars-Peter Clausen | 236aaa6 | 2014-02-28 08:31:11 +0100 | [diff] [blame] | 2936 | if (e->reg != SND_SOC_NOPM) { |
| 2937 | update.kcontrol = kcontrol; |
| 2938 | update.reg = e->reg; |
| 2939 | update.mask = mask; |
| 2940 | update.val = val; |
| 2941 | card->update = &update; |
| 2942 | } |
Mark Brown | 3a65577 | 2009-10-05 17:23:30 +0100 | [diff] [blame] | 2943 | |
Lars-Peter Clausen | 3727b49 | 2014-02-28 08:31:04 +0100 | [diff] [blame] | 2944 | ret = soc_dapm_mux_update_power(card, kcontrol, item[0], e); |
Mark Brown | 1642e3d | 2009-10-05 16:24:26 +0100 | [diff] [blame] | 2945 | |
Lars-Peter Clausen | 564c6504 | 2013-07-29 17:13:55 +0200 | [diff] [blame] | 2946 | card->update = NULL; |
Stephen Warren | fafd217 | 2011-04-28 17:38:00 -0600 | [diff] [blame] | 2947 | } |
| 2948 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2949 | mutex_unlock(&card->dapm_mutex); |
Nenghua Cao | 5276597 | 2013-12-13 20:13:49 +0800 | [diff] [blame] | 2950 | |
| 2951 | if (ret > 0) |
| 2952 | soc_dpcm_runtime_update(card); |
| 2953 | |
Mark Brown | 97404f2 | 2010-12-14 16:13:57 +0000 | [diff] [blame] | 2954 | return change; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 2955 | } |
| 2956 | EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double); |
| 2957 | |
| 2958 | /** |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 2959 | * snd_soc_dapm_info_pin_switch - Info for a pin switch |
| 2960 | * |
| 2961 | * @kcontrol: mixer control |
| 2962 | * @uinfo: control element information |
| 2963 | * |
| 2964 | * Callback to provide information about a pin switch control. |
| 2965 | */ |
| 2966 | int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, |
| 2967 | struct snd_ctl_elem_info *uinfo) |
| 2968 | { |
| 2969 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2970 | uinfo->count = 1; |
| 2971 | uinfo->value.integer.min = 0; |
| 2972 | uinfo->value.integer.max = 1; |
| 2973 | |
| 2974 | return 0; |
| 2975 | } |
| 2976 | EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch); |
| 2977 | |
| 2978 | /** |
| 2979 | * snd_soc_dapm_get_pin_switch - Get information for a pin switch |
| 2980 | * |
| 2981 | * @kcontrol: mixer control |
| 2982 | * @ucontrol: Value |
| 2983 | */ |
| 2984 | int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, |
| 2985 | struct snd_ctl_elem_value *ucontrol) |
| 2986 | { |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 2987 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 2988 | const char *pin = (const char *)kcontrol->private_value; |
| 2989 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 2990 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 2991 | |
| 2992 | ucontrol->value.integer.value[0] = |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 2993 | snd_soc_dapm_get_pin_status(&card->dapm, pin); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 2994 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 2995 | mutex_unlock(&card->dapm_mutex); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 2996 | |
| 2997 | return 0; |
| 2998 | } |
| 2999 | EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch); |
| 3000 | |
| 3001 | /** |
| 3002 | * snd_soc_dapm_put_pin_switch - Set information for a pin switch |
| 3003 | * |
| 3004 | * @kcontrol: mixer control |
| 3005 | * @ucontrol: Value |
| 3006 | */ |
| 3007 | int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, |
| 3008 | struct snd_ctl_elem_value *ucontrol) |
| 3009 | { |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 3010 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 3011 | const char *pin = (const char *)kcontrol->private_value; |
| 3012 | |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 3013 | if (ucontrol->value.integer.value[0]) |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 3014 | snd_soc_dapm_enable_pin(&card->dapm, pin); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 3015 | else |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 3016 | snd_soc_dapm_disable_pin(&card->dapm, pin); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 3017 | |
Mark Brown | 48a8c39 | 2012-02-14 17:11:15 -0800 | [diff] [blame] | 3018 | snd_soc_dapm_sync(&card->dapm); |
Mark Brown | 8b37dbd | 2009-02-28 21:14:20 +0000 | [diff] [blame] | 3019 | return 0; |
| 3020 | } |
| 3021 | EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch); |
| 3022 | |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3023 | static struct snd_soc_dapm_widget * |
| 3024 | snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, |
| 3025 | const struct snd_soc_dapm_widget *widget) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3026 | { |
| 3027 | struct snd_soc_dapm_widget *w; |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 3028 | const char *prefix; |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3029 | int ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3030 | |
| 3031 | if ((w = dapm_cnew_widget(widget)) == NULL) |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3032 | return NULL; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3033 | |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3034 | switch (w->id) { |
| 3035 | case snd_soc_dapm_regulator_supply: |
Liam Girdwood | a3cc056 | 2012-03-09 17:20:16 +0000 | [diff] [blame] | 3036 | w->regulator = devm_regulator_get(dapm->dev, w->name); |
| 3037 | if (IS_ERR(w->regulator)) { |
| 3038 | ret = PTR_ERR(w->regulator); |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3039 | dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n", |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3040 | w->name, ret); |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3041 | return NULL; |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3042 | } |
Mark Brown | 8784c77 | 2013-01-10 19:33:47 +0000 | [diff] [blame] | 3043 | |
Lars-Peter Clausen | de9ba98 | 2013-07-29 17:14:01 +0200 | [diff] [blame] | 3044 | if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) { |
Mark Brown | 8784c77 | 2013-01-10 19:33:47 +0000 | [diff] [blame] | 3045 | ret = regulator_allow_bypass(w->regulator, true); |
| 3046 | if (ret != 0) |
| 3047 | dev_warn(w->dapm->dev, |
Charles Keepax | 30686c3 | 2014-02-18 16:05:27 +0000 | [diff] [blame] | 3048 | "ASoC: Failed to bypass %s: %d\n", |
Mark Brown | 8784c77 | 2013-01-10 19:33:47 +0000 | [diff] [blame] | 3049 | w->name, ret); |
| 3050 | } |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3051 | break; |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 3052 | case snd_soc_dapm_clock_supply: |
Mark Brown | 165961e | 2012-06-05 10:44:23 +0100 | [diff] [blame] | 3053 | #ifdef CONFIG_CLKDEV_LOOKUP |
Mark Brown | 695594f1 | 2012-06-04 08:14:13 +0100 | [diff] [blame] | 3054 | w->clk = devm_clk_get(dapm->dev, w->name); |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 3055 | if (IS_ERR(w->clk)) { |
| 3056 | ret = PTR_ERR(w->clk); |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3057 | dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n", |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 3058 | w->name, ret); |
| 3059 | return NULL; |
| 3060 | } |
Mark Brown | ec02995 | 2012-06-04 08:16:20 +0100 | [diff] [blame] | 3061 | #else |
| 3062 | return NULL; |
| 3063 | #endif |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 3064 | break; |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3065 | default: |
| 3066 | break; |
| 3067 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3068 | |
Lars-Peter Clausen | 94f99c8 | 2014-06-16 18:13:01 +0200 | [diff] [blame] | 3069 | prefix = soc_dapm_prefix(dapm); |
| 3070 | if (prefix) |
| 3071 | w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); |
Lars-Peter Clausen | 2b58107 | 2013-05-14 11:05:32 +0200 | [diff] [blame] | 3072 | else |
| 3073 | w->name = kasprintf(GFP_KERNEL, "%s", widget->name); |
| 3074 | |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 3075 | if (w->name == NULL) { |
| 3076 | kfree(w); |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3077 | return NULL; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 3078 | } |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 3079 | |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3080 | switch (w->id) { |
| 3081 | case snd_soc_dapm_switch: |
| 3082 | case snd_soc_dapm_mixer: |
| 3083 | case snd_soc_dapm_mixer_named_ctl: |
| 3084 | w->power_check = dapm_generic_check_power; |
| 3085 | break; |
| 3086 | case snd_soc_dapm_mux: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3087 | w->power_check = dapm_generic_check_power; |
| 3088 | break; |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3089 | case snd_soc_dapm_dai_out: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3090 | w->power_check = dapm_adc_check_power; |
| 3091 | break; |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3092 | case snd_soc_dapm_dai_in: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3093 | w->power_check = dapm_dac_check_power; |
| 3094 | break; |
Mark Brown | 63c69a6 | 2013-07-18 22:03:01 +0100 | [diff] [blame] | 3095 | case snd_soc_dapm_adc: |
| 3096 | case snd_soc_dapm_aif_out: |
| 3097 | case snd_soc_dapm_dac: |
| 3098 | case snd_soc_dapm_aif_in: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3099 | case snd_soc_dapm_pga: |
| 3100 | case snd_soc_dapm_out_drv: |
| 3101 | case snd_soc_dapm_input: |
| 3102 | case snd_soc_dapm_output: |
| 3103 | case snd_soc_dapm_micbias: |
| 3104 | case snd_soc_dapm_spk: |
| 3105 | case snd_soc_dapm_hp: |
| 3106 | case snd_soc_dapm_mic: |
| 3107 | case snd_soc_dapm_line: |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3108 | case snd_soc_dapm_dai_link: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3109 | w->power_check = dapm_generic_check_power; |
| 3110 | break; |
| 3111 | case snd_soc_dapm_supply: |
Mark Brown | 62ea874 | 2012-01-21 21:14:48 +0000 | [diff] [blame] | 3112 | case snd_soc_dapm_regulator_supply: |
Ola Lilja | d7e7eb9 | 2012-05-24 15:26:25 +0200 | [diff] [blame] | 3113 | case snd_soc_dapm_clock_supply: |
Lars-Peter Clausen | 5729507 | 2013-08-05 11:27:31 +0200 | [diff] [blame] | 3114 | case snd_soc_dapm_kcontrol: |
Mark Brown | 7ca3a18 | 2011-10-08 14:04:50 +0100 | [diff] [blame] | 3115 | w->power_check = dapm_supply_check_power; |
| 3116 | break; |
| 3117 | default: |
| 3118 | w->power_check = dapm_always_on_check_power; |
| 3119 | break; |
| 3120 | } |
| 3121 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3122 | w->dapm = dapm; |
Jarkko Nikula | b2d9de5 | 2014-10-03 15:32:40 +0300 | [diff] [blame] | 3123 | if (dapm->component) |
| 3124 | w->codec = dapm->component->codec; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3125 | INIT_LIST_HEAD(&w->sources); |
| 3126 | INIT_LIST_HEAD(&w->sinks); |
| 3127 | INIT_LIST_HEAD(&w->list); |
Mark Brown | db432b4 | 2011-10-03 21:06:40 +0100 | [diff] [blame] | 3128 | INIT_LIST_HEAD(&w->dirty); |
Jarkko Nikula | 97c866d | 2010-12-14 12:18:31 +0200 | [diff] [blame] | 3129 | list_add(&w->list, &dapm->card->widgets); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3130 | |
| 3131 | /* machine layer set ups unconnected pins and insertions */ |
| 3132 | w->connected = 1; |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3133 | return w; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3134 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3135 | |
| 3136 | /** |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3137 | * snd_soc_dapm_new_controls - create new dapm controls |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3138 | * @dapm: DAPM context |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3139 | * @widget: widget array |
| 3140 | * @num: number of widgets |
| 3141 | * |
| 3142 | * Creates new DAPM controls based upon the templates. |
| 3143 | * |
| 3144 | * Returns 0 for success else error. |
| 3145 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3146 | int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3147 | const struct snd_soc_dapm_widget *widget, |
| 3148 | int num) |
| 3149 | { |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3150 | struct snd_soc_dapm_widget *w; |
| 3151 | int i; |
Dan Carpenter | 60884c2 | 2012-04-13 22:25:43 +0300 | [diff] [blame] | 3152 | int ret = 0; |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3153 | |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 3154 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3155 | for (i = 0; i < num; i++) { |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3156 | w = snd_soc_dapm_new_control(dapm, widget); |
| 3157 | if (!w) { |
Jarkko Nikula | f7d41ae | 2010-11-09 14:40:27 +0200 | [diff] [blame] | 3158 | dev_err(dapm->dev, |
Mark Brown | 5ba06fc | 2012-02-16 11:07:13 -0800 | [diff] [blame] | 3159 | "ASoC: Failed to create DAPM control %s\n", |
| 3160 | widget->name); |
Dan Carpenter | 60884c2 | 2012-04-13 22:25:43 +0300 | [diff] [blame] | 3161 | ret = -ENOMEM; |
| 3162 | break; |
Mark Brown | b8b33cb | 2008-12-18 11:19:30 +0000 | [diff] [blame] | 3163 | } |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3164 | widget++; |
| 3165 | } |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 3166 | mutex_unlock(&dapm->card->dapm_mutex); |
Dan Carpenter | 60884c2 | 2012-04-13 22:25:43 +0300 | [diff] [blame] | 3167 | return ret; |
Mark Brown | 4ba1327 | 2008-05-13 14:51:19 +0200 | [diff] [blame] | 3168 | } |
| 3169 | EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls); |
| 3170 | |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3171 | static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, |
| 3172 | struct snd_kcontrol *kcontrol, int event) |
| 3173 | { |
| 3174 | struct snd_soc_dapm_path *source_p, *sink_p; |
| 3175 | struct snd_soc_dai *source, *sink; |
| 3176 | const struct snd_soc_pcm_stream *config = w->params; |
| 3177 | struct snd_pcm_substream substream; |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3178 | struct snd_pcm_hw_params *params = NULL; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3179 | u64 fmt; |
| 3180 | int ret; |
| 3181 | |
Takashi Iwai | bf4edea | 2013-11-07 18:38:47 +0100 | [diff] [blame] | 3182 | if (WARN_ON(!config) || |
| 3183 | WARN_ON(list_empty(&w->sources) || list_empty(&w->sinks))) |
| 3184 | return -EINVAL; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3185 | |
| 3186 | /* We only support a single source and sink, pick the first */ |
| 3187 | source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path, |
| 3188 | list_sink); |
| 3189 | sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path, |
| 3190 | list_source); |
| 3191 | |
Takashi Iwai | bf4edea | 2013-11-07 18:38:47 +0100 | [diff] [blame] | 3192 | if (WARN_ON(!source_p || !sink_p) || |
| 3193 | WARN_ON(!sink_p->source || !source_p->sink) || |
| 3194 | WARN_ON(!source_p->source || !sink_p->sink)) |
| 3195 | return -EINVAL; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3196 | |
| 3197 | source = source_p->source->priv; |
| 3198 | sink = sink_p->sink->priv; |
| 3199 | |
| 3200 | /* Be a little careful as we don't want to overflow the mask array */ |
| 3201 | if (config->formats) { |
| 3202 | fmt = ffs(config->formats) - 1; |
| 3203 | } else { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3204 | dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n", |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3205 | config->formats); |
| 3206 | fmt = 0; |
| 3207 | } |
| 3208 | |
| 3209 | /* Currently very limited parameter selection */ |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3210 | params = kzalloc(sizeof(*params), GFP_KERNEL); |
| 3211 | if (!params) { |
| 3212 | ret = -ENOMEM; |
| 3213 | goto out; |
| 3214 | } |
| 3215 | snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3216 | |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3217 | hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min = |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3218 | config->rate_min; |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3219 | hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max = |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3220 | config->rate_max; |
| 3221 | |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3222 | hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3223 | = config->channels_min; |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3224 | hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3225 | = config->channels_max; |
| 3226 | |
| 3227 | memset(&substream, 0, sizeof(substream)); |
| 3228 | |
| 3229 | switch (event) { |
| 3230 | case SND_SOC_DAPM_PRE_PMU: |
Benoit Cousson | 93e6958 | 2014-07-08 23:19:38 +0200 | [diff] [blame] | 3231 | substream.stream = SNDRV_PCM_STREAM_CAPTURE; |
| 3232 | ret = soc_dai_hw_params(&substream, params, source); |
| 3233 | if (ret < 0) |
| 3234 | goto out; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3235 | |
Benoit Cousson | 93e6958 | 2014-07-08 23:19:38 +0200 | [diff] [blame] | 3236 | substream.stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 3237 | ret = soc_dai_hw_params(&substream, params, sink); |
| 3238 | if (ret < 0) |
| 3239 | goto out; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3240 | break; |
| 3241 | |
| 3242 | case SND_SOC_DAPM_POST_PMU: |
Mark Brown | da18396 | 2013-02-06 15:44:07 +0000 | [diff] [blame] | 3243 | ret = snd_soc_dai_digital_mute(sink, 0, |
| 3244 | SNDRV_PCM_STREAM_PLAYBACK); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3245 | if (ret != 0 && ret != -ENOTSUPP) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3246 | dev_warn(sink->dev, "ASoC: Failed to unmute: %d\n", ret); |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3247 | ret = 0; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3248 | break; |
| 3249 | |
| 3250 | case SND_SOC_DAPM_PRE_PMD: |
Mark Brown | da18396 | 2013-02-06 15:44:07 +0000 | [diff] [blame] | 3251 | ret = snd_soc_dai_digital_mute(sink, 1, |
| 3252 | SNDRV_PCM_STREAM_PLAYBACK); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3253 | if (ret != 0 && ret != -ENOTSUPP) |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3254 | dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret); |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3255 | ret = 0; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3256 | break; |
| 3257 | |
| 3258 | default: |
Takashi Iwai | a6ed060 | 2013-11-06 11:07:19 +0100 | [diff] [blame] | 3259 | WARN(1, "Unknown event %d\n", event); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3260 | return -EINVAL; |
| 3261 | } |
| 3262 | |
Mark Brown | 9747cec | 2012-04-26 19:12:21 +0100 | [diff] [blame] | 3263 | out: |
| 3264 | kfree(params); |
| 3265 | return ret; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3266 | } |
| 3267 | |
| 3268 | int snd_soc_dapm_new_pcm(struct snd_soc_card *card, |
| 3269 | const struct snd_soc_pcm_stream *params, |
| 3270 | struct snd_soc_dapm_widget *source, |
| 3271 | struct snd_soc_dapm_widget *sink) |
| 3272 | { |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3273 | struct snd_soc_dapm_widget template; |
| 3274 | struct snd_soc_dapm_widget *w; |
| 3275 | size_t len; |
| 3276 | char *link_name; |
Lars-Peter Clausen | fe83897 | 2014-05-07 16:20:27 +0200 | [diff] [blame] | 3277 | int ret; |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3278 | |
| 3279 | len = strlen(source->name) + strlen(sink->name) + 2; |
| 3280 | link_name = devm_kzalloc(card->dev, len, GFP_KERNEL); |
| 3281 | if (!link_name) |
| 3282 | return -ENOMEM; |
| 3283 | snprintf(link_name, len, "%s-%s", source->name, sink->name); |
| 3284 | |
| 3285 | memset(&template, 0, sizeof(template)); |
| 3286 | template.reg = SND_SOC_NOPM; |
| 3287 | template.id = snd_soc_dapm_dai_link; |
| 3288 | template.name = link_name; |
| 3289 | template.event = snd_soc_dai_link_event; |
| 3290 | template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 3291 | SND_SOC_DAPM_PRE_PMD; |
| 3292 | |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3293 | dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3294 | |
| 3295 | w = snd_soc_dapm_new_control(&card->dapm, &template); |
| 3296 | if (!w) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3297 | dev_err(card->dev, "ASoC: Failed to create %s widget\n", |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3298 | link_name); |
| 3299 | return -ENOMEM; |
| 3300 | } |
| 3301 | |
| 3302 | w->params = params; |
| 3303 | |
Lars-Peter Clausen | fe83897 | 2014-05-07 16:20:27 +0200 | [diff] [blame] | 3304 | ret = snd_soc_dapm_add_path(&card->dapm, source, w, NULL, NULL); |
| 3305 | if (ret) |
| 3306 | return ret; |
| 3307 | return snd_soc_dapm_add_path(&card->dapm, w, sink, NULL, NULL); |
Mark Brown | c74184e | 2012-04-04 22:12:09 +0100 | [diff] [blame] | 3308 | } |
| 3309 | |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3310 | int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, |
| 3311 | struct snd_soc_dai *dai) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3312 | { |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3313 | struct snd_soc_dapm_widget template; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3314 | struct snd_soc_dapm_widget *w; |
| 3315 | |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3316 | WARN_ON(dapm->dev != dai->dev); |
| 3317 | |
| 3318 | memset(&template, 0, sizeof(template)); |
| 3319 | template.reg = SND_SOC_NOPM; |
| 3320 | |
| 3321 | if (dai->driver->playback.stream_name) { |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3322 | template.id = snd_soc_dapm_dai_in; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3323 | template.name = dai->driver->playback.stream_name; |
| 3324 | template.sname = dai->driver->playback.stream_name; |
| 3325 | |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3326 | dev_dbg(dai->dev, "ASoC: adding %s widget\n", |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3327 | template.name); |
| 3328 | |
| 3329 | w = snd_soc_dapm_new_control(dapm, &template); |
| 3330 | if (!w) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3331 | dev_err(dapm->dev, "ASoC: Failed to create %s widget\n", |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3332 | dai->driver->playback.stream_name); |
Takashi Iwai | 298402a | 2013-10-28 14:21:50 +0100 | [diff] [blame] | 3333 | return -ENOMEM; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3334 | } |
| 3335 | |
| 3336 | w->priv = dai; |
| 3337 | dai->playback_widget = w; |
| 3338 | } |
| 3339 | |
| 3340 | if (dai->driver->capture.stream_name) { |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3341 | template.id = snd_soc_dapm_dai_out; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3342 | template.name = dai->driver->capture.stream_name; |
| 3343 | template.sname = dai->driver->capture.stream_name; |
| 3344 | |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3345 | dev_dbg(dai->dev, "ASoC: adding %s widget\n", |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3346 | template.name); |
| 3347 | |
| 3348 | w = snd_soc_dapm_new_control(dapm, &template); |
| 3349 | if (!w) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3350 | dev_err(dapm->dev, "ASoC: Failed to create %s widget\n", |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3351 | dai->driver->capture.stream_name); |
Takashi Iwai | 298402a | 2013-10-28 14:21:50 +0100 | [diff] [blame] | 3352 | return -ENOMEM; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3353 | } |
| 3354 | |
| 3355 | w->priv = dai; |
| 3356 | dai->capture_widget = w; |
| 3357 | } |
| 3358 | |
| 3359 | return 0; |
| 3360 | } |
| 3361 | |
| 3362 | int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) |
| 3363 | { |
| 3364 | struct snd_soc_dapm_widget *dai_w, *w; |
Lars-Peter Clausen | 0f9bd7b | 2014-05-07 16:20:28 +0200 | [diff] [blame] | 3365 | struct snd_soc_dapm_widget *src, *sink; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3366 | struct snd_soc_dai *dai; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3367 | |
| 3368 | /* For each DAI widget... */ |
| 3369 | list_for_each_entry(dai_w, &card->widgets, list) { |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3370 | switch (dai_w->id) { |
| 3371 | case snd_soc_dapm_dai_in: |
| 3372 | case snd_soc_dapm_dai_out: |
| 3373 | break; |
| 3374 | default: |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3375 | continue; |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3376 | } |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3377 | |
| 3378 | dai = dai_w->priv; |
| 3379 | |
| 3380 | /* ...find all widgets with the same stream and link them */ |
| 3381 | list_for_each_entry(w, &card->widgets, list) { |
| 3382 | if (w->dapm != dai_w->dapm) |
| 3383 | continue; |
| 3384 | |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3385 | switch (w->id) { |
| 3386 | case snd_soc_dapm_dai_in: |
| 3387 | case snd_soc_dapm_dai_out: |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3388 | continue; |
Mark Brown | 4616274 | 2013-06-05 19:36:11 +0100 | [diff] [blame] | 3389 | default: |
| 3390 | break; |
| 3391 | } |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3392 | |
Russell King | 19c2c5f | 2013-08-04 20:24:03 +0100 | [diff] [blame] | 3393 | if (!w->sname || !strstr(w->sname, dai_w->name)) |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3394 | continue; |
| 3395 | |
Lars-Peter Clausen | 0f9bd7b | 2014-05-07 16:20:28 +0200 | [diff] [blame] | 3396 | if (dai_w->id == snd_soc_dapm_dai_in) { |
| 3397 | src = dai_w; |
| 3398 | sink = w; |
| 3399 | } else { |
| 3400 | src = w; |
| 3401 | sink = dai_w; |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3402 | } |
Lars-Peter Clausen | 0f9bd7b | 2014-05-07 16:20:28 +0200 | [diff] [blame] | 3403 | dev_dbg(dai->dev, "%s -> %s\n", src->name, sink->name); |
| 3404 | snd_soc_dapm_add_path(w->dapm, src, sink, NULL, NULL); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3405 | } |
| 3406 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3407 | |
Mark Brown | 888df39 | 2012-02-16 19:37:51 -0800 | [diff] [blame] | 3408 | return 0; |
| 3409 | } |
Liam Girdwood | 64a648c | 2011-07-25 11:15:15 +0100 | [diff] [blame] | 3410 | |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3411 | static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, |
| 3412 | struct snd_soc_pcm_runtime *rtd) |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3413 | { |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3414 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Lars-Peter Clausen | 9887c20 | 2014-05-07 16:20:26 +0200 | [diff] [blame] | 3415 | struct snd_soc_dapm_widget *sink, *source; |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3416 | int i; |
| 3417 | |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3418 | for (i = 0; i < rtd->num_codecs; i++) { |
| 3419 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3420 | |
| 3421 | /* there is no point in connecting BE DAI links with dummies */ |
| 3422 | if (snd_soc_dai_is_dummy(codec_dai) || |
| 3423 | snd_soc_dai_is_dummy(cpu_dai)) |
| 3424 | continue; |
| 3425 | |
| 3426 | /* connect BE DAI playback if widgets are valid */ |
| 3427 | if (codec_dai->playback_widget && cpu_dai->playback_widget) { |
Lars-Peter Clausen | 9887c20 | 2014-05-07 16:20:26 +0200 | [diff] [blame] | 3428 | source = cpu_dai->playback_widget; |
| 3429 | sink = codec_dai->playback_widget; |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3430 | dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", |
Lars-Peter Clausen | f433320 | 2014-06-16 18:13:02 +0200 | [diff] [blame] | 3431 | cpu_dai->component->name, source->name, |
| 3432 | codec_dai->component->name, sink->name); |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3433 | |
Lars-Peter Clausen | 9887c20 | 2014-05-07 16:20:26 +0200 | [diff] [blame] | 3434 | snd_soc_dapm_add_path(&card->dapm, source, sink, |
| 3435 | NULL, NULL); |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3436 | } |
| 3437 | |
| 3438 | /* connect BE DAI capture if widgets are valid */ |
| 3439 | if (codec_dai->capture_widget && cpu_dai->capture_widget) { |
Lars-Peter Clausen | 9887c20 | 2014-05-07 16:20:26 +0200 | [diff] [blame] | 3440 | source = codec_dai->capture_widget; |
| 3441 | sink = cpu_dai->capture_widget; |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3442 | dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", |
Lars-Peter Clausen | f433320 | 2014-06-16 18:13:02 +0200 | [diff] [blame] | 3443 | codec_dai->component->name, source->name, |
| 3444 | cpu_dai->component->name, sink->name); |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3445 | |
Lars-Peter Clausen | 9887c20 | 2014-05-07 16:20:26 +0200 | [diff] [blame] | 3446 | snd_soc_dapm_add_path(&card->dapm, source, sink, |
| 3447 | NULL, NULL); |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3448 | } |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3449 | } |
| 3450 | } |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3451 | |
Lars-Peter Clausen | c471fdd | 2014-04-29 14:51:22 +0200 | [diff] [blame] | 3452 | static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream, |
| 3453 | int event) |
| 3454 | { |
| 3455 | struct snd_soc_dapm_widget *w; |
| 3456 | |
| 3457 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 3458 | w = dai->playback_widget; |
| 3459 | else |
| 3460 | w = dai->capture_widget; |
| 3461 | |
| 3462 | if (w) { |
| 3463 | dapm_mark_dirty(w, "stream event"); |
| 3464 | |
| 3465 | switch (event) { |
| 3466 | case SND_SOC_DAPM_STREAM_START: |
| 3467 | w->active = 1; |
| 3468 | break; |
| 3469 | case SND_SOC_DAPM_STREAM_STOP: |
| 3470 | w->active = 0; |
| 3471 | break; |
| 3472 | case SND_SOC_DAPM_STREAM_SUSPEND: |
| 3473 | case SND_SOC_DAPM_STREAM_RESUME: |
| 3474 | case SND_SOC_DAPM_STREAM_PAUSE_PUSH: |
| 3475 | case SND_SOC_DAPM_STREAM_PAUSE_RELEASE: |
| 3476 | break; |
| 3477 | } |
Liam Girdwood | b893ea5 | 2014-01-08 10:40:19 +0000 | [diff] [blame] | 3478 | } |
| 3479 | } |
| 3480 | |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3481 | void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card) |
| 3482 | { |
| 3483 | struct snd_soc_pcm_runtime *rtd = card->rtd; |
| 3484 | int i; |
| 3485 | |
| 3486 | /* for each BE DAI link... */ |
| 3487 | for (i = 0; i < card->num_rtd; i++) { |
| 3488 | rtd = &card->rtd[i]; |
| 3489 | |
| 3490 | /* |
| 3491 | * dynamic FE links have no fixed DAI mapping. |
| 3492 | * CODEC<->CODEC links have no direct connection. |
| 3493 | */ |
| 3494 | if (rtd->dai_link->dynamic || rtd->dai_link->params) |
| 3495 | continue; |
| 3496 | |
| 3497 | dapm_connect_dai_link_widgets(card, rtd); |
| 3498 | } |
| 3499 | } |
| 3500 | |
Liam Girdwood | d9b0951 | 2012-03-07 16:32:59 +0000 | [diff] [blame] | 3501 | static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, |
| 3502 | int event) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3503 | { |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3504 | int i; |
| 3505 | |
Lars-Peter Clausen | c471fdd | 2014-04-29 14:51:22 +0200 | [diff] [blame] | 3506 | soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event); |
Benoit Cousson | 44ba264 | 2014-07-08 23:19:36 +0200 | [diff] [blame] | 3507 | for (i = 0; i < rtd->num_codecs; i++) |
| 3508 | soc_dapm_dai_stream_event(rtd->codec_dais[i], stream, event); |
Liam Girdwood | d9b0951 | 2012-03-07 16:32:59 +0000 | [diff] [blame] | 3509 | |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 3510 | dapm_power_widgets(rtd->card, event); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3511 | } |
| 3512 | |
| 3513 | /** |
| 3514 | * snd_soc_dapm_stream_event - send a stream event to the dapm core |
| 3515 | * @rtd: PCM runtime data |
| 3516 | * @stream: stream name |
| 3517 | * @event: stream event |
| 3518 | * |
| 3519 | * Sends a stream event to the dapm core. The core then makes any |
| 3520 | * necessary widget power changes. |
| 3521 | * |
| 3522 | * Returns 0 for success else error. |
| 3523 | */ |
Liam Girdwood | d9b0951 | 2012-03-07 16:32:59 +0000 | [diff] [blame] | 3524 | void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, |
| 3525 | int event) |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3526 | { |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 3527 | struct snd_soc_card *card = rtd->card; |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3528 | |
Liam Girdwood | 3cd0434 | 2012-03-09 12:02:08 +0000 | [diff] [blame] | 3529 | mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Liam Girdwood | d9b0951 | 2012-03-07 16:32:59 +0000 | [diff] [blame] | 3530 | soc_dapm_stream_event(rtd, stream, event); |
Liam Girdwood | a73fb2d | 2012-03-07 10:38:26 +0000 | [diff] [blame] | 3531 | mutex_unlock(&card->dapm_mutex); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3532 | } |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3533 | |
| 3534 | /** |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3535 | * snd_soc_dapm_enable_pin_unlocked - enable pin. |
| 3536 | * @dapm: DAPM context |
| 3537 | * @pin: pin name |
| 3538 | * |
| 3539 | * Enables input/output pin and its parents or children widgets iff there is |
| 3540 | * a valid audio route and active audio stream. |
| 3541 | * |
| 3542 | * Requires external locking. |
| 3543 | * |
| 3544 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3545 | * do any widget power switching. |
| 3546 | */ |
| 3547 | int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
| 3548 | const char *pin) |
| 3549 | { |
| 3550 | return snd_soc_dapm_set_pin(dapm, pin, 1); |
| 3551 | } |
| 3552 | EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin_unlocked); |
| 3553 | |
| 3554 | /** |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3555 | * snd_soc_dapm_enable_pin - enable pin. |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3556 | * @dapm: DAPM context |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3557 | * @pin: pin name |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3558 | * |
Mark Brown | 74b8f95 | 2009-06-06 11:26:15 +0100 | [diff] [blame] | 3559 | * Enables input/output pin and its parents or children widgets iff there is |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3560 | * a valid audio route and active audio stream. |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3561 | * |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3562 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3563 | * do any widget power switching. |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3564 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3565 | int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3566 | { |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3567 | int ret; |
| 3568 | |
| 3569 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| 3570 | |
| 3571 | ret = snd_soc_dapm_set_pin(dapm, pin, 1); |
| 3572 | |
| 3573 | mutex_unlock(&dapm->card->dapm_mutex); |
| 3574 | |
| 3575 | return ret; |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3576 | } |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3577 | EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3578 | |
| 3579 | /** |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3580 | * snd_soc_dapm_force_enable_pin_unlocked - force a pin to be enabled |
| 3581 | * @dapm: DAPM context |
| 3582 | * @pin: pin name |
| 3583 | * |
| 3584 | * Enables input/output pin regardless of any other state. This is |
| 3585 | * intended for use with microphone bias supplies used in microphone |
| 3586 | * jack detection. |
| 3587 | * |
| 3588 | * Requires external locking. |
| 3589 | * |
| 3590 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3591 | * do any widget power switching. |
| 3592 | */ |
| 3593 | int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
| 3594 | const char *pin) |
| 3595 | { |
| 3596 | struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); |
| 3597 | |
| 3598 | if (!w) { |
| 3599 | dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin); |
| 3600 | return -EINVAL; |
| 3601 | } |
| 3602 | |
| 3603 | dev_dbg(w->dapm->dev, "ASoC: force enable pin %s\n", pin); |
| 3604 | w->connected = 1; |
| 3605 | w->force = 1; |
| 3606 | dapm_mark_dirty(w, "force enable"); |
| 3607 | |
| 3608 | return 0; |
| 3609 | } |
| 3610 | EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin_unlocked); |
| 3611 | |
| 3612 | /** |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3613 | * snd_soc_dapm_force_enable_pin - force a pin to be enabled |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3614 | * @dapm: DAPM context |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3615 | * @pin: pin name |
| 3616 | * |
| 3617 | * Enables input/output pin regardless of any other state. This is |
| 3618 | * intended for use with microphone bias supplies used in microphone |
| 3619 | * jack detection. |
| 3620 | * |
| 3621 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3622 | * do any widget power switching. |
| 3623 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3624 | int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, |
| 3625 | const char *pin) |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3626 | { |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3627 | int ret; |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3628 | |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3629 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3630 | |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3631 | ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, pin); |
Mark Brown | 0d86733 | 2011-04-06 11:38:14 +0900 | [diff] [blame] | 3632 | |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3633 | mutex_unlock(&dapm->card->dapm_mutex); |
| 3634 | |
| 3635 | return ret; |
Mark Brown | da34183 | 2010-03-15 19:23:37 +0000 | [diff] [blame] | 3636 | } |
| 3637 | EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin); |
| 3638 | |
| 3639 | /** |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3640 | * snd_soc_dapm_disable_pin_unlocked - disable pin. |
| 3641 | * @dapm: DAPM context |
| 3642 | * @pin: pin name |
| 3643 | * |
| 3644 | * Disables input/output pin and its parents or children widgets. |
| 3645 | * |
| 3646 | * Requires external locking. |
| 3647 | * |
| 3648 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3649 | * do any widget power switching. |
| 3650 | */ |
| 3651 | int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
| 3652 | const char *pin) |
| 3653 | { |
| 3654 | return snd_soc_dapm_set_pin(dapm, pin, 0); |
| 3655 | } |
| 3656 | EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin_unlocked); |
| 3657 | |
| 3658 | /** |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3659 | * snd_soc_dapm_disable_pin - disable pin. |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3660 | * @dapm: DAPM context |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3661 | * @pin: pin name |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3662 | * |
Mark Brown | 74b8f95 | 2009-06-06 11:26:15 +0100 | [diff] [blame] | 3663 | * Disables input/output pin and its parents or children widgets. |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3664 | * |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3665 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3666 | * do any widget power switching. |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3667 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3668 | int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, |
| 3669 | const char *pin) |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3670 | { |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3671 | int ret; |
| 3672 | |
| 3673 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| 3674 | |
| 3675 | ret = snd_soc_dapm_set_pin(dapm, pin, 0); |
| 3676 | |
| 3677 | mutex_unlock(&dapm->card->dapm_mutex); |
| 3678 | |
| 3679 | return ret; |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3680 | } |
| 3681 | EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin); |
| 3682 | |
| 3683 | /** |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3684 | * snd_soc_dapm_nc_pin_unlocked - permanently disable pin. |
| 3685 | * @dapm: DAPM context |
| 3686 | * @pin: pin name |
| 3687 | * |
| 3688 | * Marks the specified pin as being not connected, disabling it along |
| 3689 | * any parent or child widgets. At present this is identical to |
| 3690 | * snd_soc_dapm_disable_pin() but in future it will be extended to do |
| 3691 | * additional things such as disabling controls which only affect |
| 3692 | * paths through the pin. |
| 3693 | * |
| 3694 | * Requires external locking. |
| 3695 | * |
| 3696 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3697 | * do any widget power switching. |
| 3698 | */ |
| 3699 | int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, |
| 3700 | const char *pin) |
| 3701 | { |
| 3702 | return snd_soc_dapm_set_pin(dapm, pin, 0); |
| 3703 | } |
| 3704 | EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin_unlocked); |
| 3705 | |
| 3706 | /** |
Mark Brown | 5817b52 | 2008-09-24 11:23:11 +0100 | [diff] [blame] | 3707 | * snd_soc_dapm_nc_pin - permanently disable pin. |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3708 | * @dapm: DAPM context |
Mark Brown | 5817b52 | 2008-09-24 11:23:11 +0100 | [diff] [blame] | 3709 | * @pin: pin name |
| 3710 | * |
| 3711 | * Marks the specified pin as being not connected, disabling it along |
| 3712 | * any parent or child widgets. At present this is identical to |
| 3713 | * snd_soc_dapm_disable_pin() but in future it will be extended to do |
| 3714 | * additional things such as disabling controls which only affect |
| 3715 | * paths through the pin. |
| 3716 | * |
| 3717 | * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to |
| 3718 | * do any widget power switching. |
| 3719 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3720 | int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin) |
Mark Brown | 5817b52 | 2008-09-24 11:23:11 +0100 | [diff] [blame] | 3721 | { |
Charles Keepax | 1139110 | 2014-02-18 15:22:14 +0000 | [diff] [blame] | 3722 | int ret; |
| 3723 | |
| 3724 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| 3725 | |
| 3726 | ret = snd_soc_dapm_set_pin(dapm, pin, 0); |
| 3727 | |
| 3728 | mutex_unlock(&dapm->card->dapm_mutex); |
| 3729 | |
| 3730 | return ret; |
Mark Brown | 5817b52 | 2008-09-24 11:23:11 +0100 | [diff] [blame] | 3731 | } |
| 3732 | EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin); |
| 3733 | |
| 3734 | /** |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3735 | * snd_soc_dapm_get_pin_status - get audio pin status |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3736 | * @dapm: DAPM context |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3737 | * @pin: audio signal pin endpoint (or start point) |
| 3738 | * |
| 3739 | * Get audio pin status - connected or disconnected. |
| 3740 | * |
| 3741 | * Returns 1 for connected otherwise 0. |
| 3742 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3743 | int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, |
| 3744 | const char *pin) |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3745 | { |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3746 | struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3747 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3748 | if (w) |
| 3749 | return w->connected; |
Stephen Warren | a68b38a | 2011-04-19 15:25:11 -0600 | [diff] [blame] | 3750 | |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3751 | return 0; |
| 3752 | } |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 3753 | EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status); |
Graeme Gregory | eeec12b | 2008-04-30 19:27:40 +0200 | [diff] [blame] | 3754 | |
| 3755 | /** |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3756 | * snd_soc_dapm_ignore_suspend - ignore suspend status for DAPM endpoint |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3757 | * @dapm: DAPM context |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3758 | * @pin: audio signal pin endpoint (or start point) |
| 3759 | * |
| 3760 | * Mark the given endpoint or pin as ignoring suspend. When the |
| 3761 | * system is disabled a path between two endpoints flagged as ignoring |
| 3762 | * suspend will not be disabled. The path must already be enabled via |
| 3763 | * normal means at suspend time, it will not be turned on if it was not |
| 3764 | * already enabled. |
| 3765 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3766 | int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, |
| 3767 | const char *pin) |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3768 | { |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3769 | struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, false); |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3770 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3771 | if (!w) { |
Liam Girdwood | 30a6a1a | 2012-11-19 14:39:12 +0000 | [diff] [blame] | 3772 | dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin); |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3773 | return -EINVAL; |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3774 | } |
| 3775 | |
Lars-Peter Clausen | 91a5fca | 2011-04-27 18:34:31 +0200 | [diff] [blame] | 3776 | w->ignore_suspend = 1; |
| 3777 | |
| 3778 | return 0; |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3779 | } |
| 3780 | EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend); |
| 3781 | |
Lars-Peter Clausen | cdc4508 | 2014-10-20 19:36:33 +0200 | [diff] [blame] | 3782 | /** |
| 3783 | * dapm_is_external_path() - Checks if a path is a external path |
| 3784 | * @card: The card the path belongs to |
| 3785 | * @path: The path to check |
| 3786 | * |
| 3787 | * Returns true if the path is either between two different DAPM contexts or |
| 3788 | * between two external pins of the same DAPM context. Otherwise returns |
| 3789 | * false. |
| 3790 | */ |
| 3791 | static bool dapm_is_external_path(struct snd_soc_card *card, |
| 3792 | struct snd_soc_dapm_path *path) |
| 3793 | { |
| 3794 | dev_dbg(card->dev, |
| 3795 | "... Path %s(id:%d dapm:%p) - %s(id:%d dapm:%p)\n", |
| 3796 | path->source->name, path->source->id, path->source->dapm, |
| 3797 | path->sink->name, path->sink->id, path->sink->dapm); |
| 3798 | |
| 3799 | /* Connection between two different DAPM contexts */ |
| 3800 | if (path->source->dapm != path->sink->dapm) |
| 3801 | return true; |
| 3802 | |
| 3803 | /* Loopback connection from external pin to external pin */ |
| 3804 | if (path->sink->id == snd_soc_dapm_input) { |
| 3805 | switch (path->source->id) { |
| 3806 | case snd_soc_dapm_output: |
| 3807 | case snd_soc_dapm_micbias: |
| 3808 | return true; |
| 3809 | default: |
| 3810 | break; |
| 3811 | } |
| 3812 | } |
| 3813 | |
| 3814 | return false; |
| 3815 | } |
| 3816 | |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3817 | static bool snd_soc_dapm_widget_in_card_paths(struct snd_soc_card *card, |
| 3818 | struct snd_soc_dapm_widget *w) |
| 3819 | { |
| 3820 | struct snd_soc_dapm_path *p; |
| 3821 | |
Lars-Peter Clausen | cdc4508 | 2014-10-20 19:36:33 +0200 | [diff] [blame] | 3822 | list_for_each_entry(p, &w->sources, list_sink) { |
| 3823 | if (dapm_is_external_path(card, p)) |
| 3824 | return true; |
| 3825 | } |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3826 | |
Lars-Peter Clausen | cdc4508 | 2014-10-20 19:36:33 +0200 | [diff] [blame] | 3827 | list_for_each_entry(p, &w->sinks, list_source) { |
| 3828 | if (dapm_is_external_path(card, p)) |
| 3829 | return true; |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3830 | } |
| 3831 | |
| 3832 | return false; |
| 3833 | } |
| 3834 | |
| 3835 | /** |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3836 | * snd_soc_dapm_auto_nc_pins - call snd_soc_dapm_nc_pin for unused pins |
| 3837 | * @card: The card whose pins should be processed |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3838 | * |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3839 | * Automatically call snd_soc_dapm_nc_pin() for any external pins in the card |
| 3840 | * which are unused. Pins are used if they are connected externally to a |
| 3841 | * component, whether that be to some other device, or a loop-back connection to |
| 3842 | * the component itself. |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3843 | */ |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3844 | void snd_soc_dapm_auto_nc_pins(struct snd_soc_card *card) |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3845 | { |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3846 | struct snd_soc_dapm_widget *w; |
| 3847 | |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3848 | dev_dbg(card->dev, "ASoC: Auto NC: DAPMs: card:%p\n", &card->dapm); |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3849 | |
| 3850 | list_for_each_entry(w, &card->widgets, list) { |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3851 | switch (w->id) { |
| 3852 | case snd_soc_dapm_input: |
| 3853 | case snd_soc_dapm_output: |
| 3854 | case snd_soc_dapm_micbias: |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3855 | dev_dbg(card->dev, "ASoC: Auto NC: Checking widget %s\n", |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3856 | w->name); |
| 3857 | if (!snd_soc_dapm_widget_in_card_paths(card, w)) { |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3858 | dev_dbg(card->dev, |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3859 | "... Not in map; disabling\n"); |
Lars-Peter Clausen | 7df3788 | 2014-06-16 18:13:04 +0200 | [diff] [blame] | 3860 | snd_soc_dapm_nc_pin(w->dapm, w->name); |
Stephen Warren | 1633281 | 2011-11-23 12:42:04 -0700 | [diff] [blame] | 3861 | } |
| 3862 | break; |
| 3863 | default: |
| 3864 | break; |
| 3865 | } |
| 3866 | } |
| 3867 | } |
| 3868 | |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 3869 | /** |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3870 | * snd_soc_dapm_free - free dapm resources |
Peter Ujfalusi | 728a522 | 2011-08-26 16:33:52 +0300 | [diff] [blame] | 3871 | * @dapm: DAPM context |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3872 | * |
| 3873 | * Free all dapm widgets and resources. |
| 3874 | */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3875 | void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm) |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3876 | { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3877 | snd_soc_dapm_sys_remove(dapm->dev); |
Lars-Peter Clausen | 6c45e12 | 2011-04-30 19:45:50 +0200 | [diff] [blame] | 3878 | dapm_debugfs_cleanup(dapm); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3879 | dapm_free_widgets(dapm); |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 3880 | list_del(&dapm->list); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3881 | } |
| 3882 | EXPORT_SYMBOL_GPL(snd_soc_dapm_free); |
| 3883 | |
Xiang Xiao | 5799635 | 2014-03-02 00:04:02 +0800 | [diff] [blame] | 3884 | static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm) |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3885 | { |
Liam Girdwood | 01005a7 | 2012-07-06 16:57:05 +0100 | [diff] [blame] | 3886 | struct snd_soc_card *card = dapm->card; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3887 | struct snd_soc_dapm_widget *w; |
| 3888 | LIST_HEAD(down_list); |
| 3889 | int powerdown = 0; |
| 3890 | |
Liam Girdwood | 01005a7 | 2012-07-06 16:57:05 +0100 | [diff] [blame] | 3891 | mutex_lock(&card->dapm_mutex); |
| 3892 | |
Jarkko Nikula | 97c866d | 2010-12-14 12:18:31 +0200 | [diff] [blame] | 3893 | list_for_each_entry(w, &dapm->card->widgets, list) { |
| 3894 | if (w->dapm != dapm) |
| 3895 | continue; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3896 | if (w->power) { |
Mark Brown | 828a842 | 2011-01-15 13:14:30 +0000 | [diff] [blame] | 3897 | dapm_seq_insert(w, &down_list, false); |
Mark Brown | c2caa4d | 2009-06-26 15:36:56 +0100 | [diff] [blame] | 3898 | w->power = 0; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3899 | powerdown = 1; |
| 3900 | } |
| 3901 | } |
| 3902 | |
| 3903 | /* If there were no widgets to power down we're already in |
| 3904 | * standby. |
| 3905 | */ |
| 3906 | if (powerdown) { |
Mark Brown | 7679e42 | 2012-02-22 15:52:56 +0000 | [diff] [blame] | 3907 | if (dapm->bias_level == SND_SOC_BIAS_ON) |
| 3908 | snd_soc_dapm_set_bias_level(dapm, |
| 3909 | SND_SOC_BIAS_PREPARE); |
Lars-Peter Clausen | 95dd5cd | 2013-07-29 17:13:56 +0200 | [diff] [blame] | 3910 | dapm_seq_run(card, &down_list, 0, false); |
Mark Brown | 7679e42 | 2012-02-22 15:52:56 +0000 | [diff] [blame] | 3911 | if (dapm->bias_level == SND_SOC_BIAS_PREPARE) |
| 3912 | snd_soc_dapm_set_bias_level(dapm, |
| 3913 | SND_SOC_BIAS_STANDBY); |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3914 | } |
Liam Girdwood | 01005a7 | 2012-07-06 16:57:05 +0100 | [diff] [blame] | 3915 | |
| 3916 | mutex_unlock(&card->dapm_mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3917 | } |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3918 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3919 | /* |
| 3920 | * snd_soc_dapm_shutdown - callback for system shutdown |
| 3921 | */ |
| 3922 | void snd_soc_dapm_shutdown(struct snd_soc_card *card) |
| 3923 | { |
Xiang Xiao | 5799635 | 2014-03-02 00:04:02 +0800 | [diff] [blame] | 3924 | struct snd_soc_dapm_context *dapm; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3925 | |
Xiang Xiao | 5799635 | 2014-03-02 00:04:02 +0800 | [diff] [blame] | 3926 | list_for_each_entry(dapm, &card->dapm_list, list) { |
Xiang Xiao | 17282ba | 2014-03-02 00:04:03 +0800 | [diff] [blame] | 3927 | if (dapm != &card->dapm) { |
| 3928 | soc_dapm_shutdown_dapm(dapm); |
| 3929 | if (dapm->bias_level == SND_SOC_BIAS_STANDBY) |
| 3930 | snd_soc_dapm_set_bias_level(dapm, |
| 3931 | SND_SOC_BIAS_OFF); |
| 3932 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3933 | } |
Xiang Xiao | 17282ba | 2014-03-02 00:04:03 +0800 | [diff] [blame] | 3934 | |
| 3935 | soc_dapm_shutdown_dapm(&card->dapm); |
| 3936 | if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) |
| 3937 | snd_soc_dapm_set_bias_level(&card->dapm, |
| 3938 | SND_SOC_BIAS_OFF); |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 3939 | } |
| 3940 | |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3941 | /* Module information */ |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 3942 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
Richard Purdie | 2b97eab | 2006-10-06 18:32:18 +0200 | [diff] [blame] | 3943 | MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC"); |
| 3944 | MODULE_LICENSE("GPL"); |