Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * corgi.c -- SoC audio for Corgi |
| 3 | * |
| 4 | * Copyright 2005 Wolfson Microelectronics PLC. |
| 5 | * Copyright 2005 Openedhand Ltd. |
| 6 | * |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 8 | * Richard Purdie <richard@openedhand.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License as published by the |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your |
| 13 | * option) any later version. |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/moduleparam.h> |
| 18 | #include <linux/timer.h> |
Mark Brown | fc99675 | 2009-02-18 12:34:53 +0000 | [diff] [blame] | 19 | #include <linux/i2c.h> |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/platform_device.h> |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 22 | #include <linux/gpio.h> |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/soc.h> |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 26 | |
| 27 | #include <asm/mach-types.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 28 | #include <mach/corgi.h> |
| 29 | #include <mach/audio.h> |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 30 | |
| 31 | #include "../codecs/wm8731.h" |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 32 | #include "pxa2xx-i2s.h" |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 33 | |
| 34 | #define CORGI_HP 0 |
| 35 | #define CORGI_MIC 1 |
| 36 | #define CORGI_LINE 2 |
| 37 | #define CORGI_HEADSET 3 |
| 38 | #define CORGI_HP_OFF 4 |
| 39 | #define CORGI_SPK_ON 0 |
| 40 | #define CORGI_SPK_OFF 1 |
| 41 | |
| 42 | /* audio clock in Hz - rounded from 12.235MHz */ |
| 43 | #define CORGI_AUDIO_CLOCK 12288000 |
| 44 | |
| 45 | static int corgi_jack_func; |
| 46 | static int corgi_spk_func; |
| 47 | |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 48 | static void corgi_ext_control(struct snd_soc_dapm_context *dapm) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 49 | { |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 50 | snd_soc_dapm_mutex_lock(dapm); |
| 51 | |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 52 | /* set up jack connection */ |
| 53 | switch (corgi_jack_func) { |
| 54 | case CORGI_HP: |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 55 | /* set = unmute headphone */ |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 56 | gpio_set_value(CORGI_GPIO_MUTE_L, 1); |
| 57 | gpio_set_value(CORGI_GPIO_MUTE_R, 1); |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 58 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); |
| 59 | snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); |
| 60 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); |
| 61 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 62 | break; |
| 63 | case CORGI_MIC: |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 64 | /* reset = mute headphone */ |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 65 | gpio_set_value(CORGI_GPIO_MUTE_L, 0); |
| 66 | gpio_set_value(CORGI_GPIO_MUTE_R, 0); |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 67 | snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); |
| 68 | snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); |
| 69 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); |
| 70 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 71 | break; |
| 72 | case CORGI_LINE: |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 73 | gpio_set_value(CORGI_GPIO_MUTE_L, 0); |
| 74 | gpio_set_value(CORGI_GPIO_MUTE_R, 0); |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 75 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); |
| 76 | snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack"); |
| 77 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); |
| 78 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 79 | break; |
| 80 | case CORGI_HEADSET: |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 81 | gpio_set_value(CORGI_GPIO_MUTE_L, 0); |
| 82 | gpio_set_value(CORGI_GPIO_MUTE_R, 1); |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 83 | snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); |
| 84 | snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); |
| 85 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); |
| 86 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 87 | break; |
| 88 | } |
| 89 | |
| 90 | if (corgi_spk_func == CORGI_SPK_ON) |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 91 | snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk"); |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 92 | else |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 93 | snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk"); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 94 | |
| 95 | /* signal a DAPM event */ |
Charles Keepax | 4d9e734 | 2014-02-18 15:22:25 +0000 | [diff] [blame] | 96 | snd_soc_dapm_sync_unlocked(dapm); |
| 97 | |
| 98 | snd_soc_dapm_mutex_unlock(dapm); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | static int corgi_startup(struct snd_pcm_substream *substream) |
| 102 | { |
| 103 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Mark Brown | 71a2956 | 2010-11-05 13:50:48 -0400 | [diff] [blame] | 104 | |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 105 | /* check the jack status at stream startup */ |
Lars-Peter Clausen | e14de47 | 2014-03-01 15:48:13 +0100 | [diff] [blame] | 106 | corgi_ext_control(&rtd->card->dapm); |
Mark Brown | 71a2956 | 2010-11-05 13:50:48 -0400 | [diff] [blame] | 107 | |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | /* we need to unmute the HP at shutdown as the mute burns power on corgi */ |
Takashi Iwai | 5220ed6 | 2008-12-01 20:00:47 +0100 | [diff] [blame] | 112 | static void corgi_shutdown(struct snd_pcm_substream *substream) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 113 | { |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 114 | /* set = unmute headphone */ |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 115 | gpio_set_value(CORGI_GPIO_MUTE_L, 1); |
| 116 | gpio_set_value(CORGI_GPIO_MUTE_R, 1); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 117 | } |
| 118 | |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 119 | static int corgi_hw_params(struct snd_pcm_substream *substream, |
| 120 | struct snd_pcm_hw_params *params) |
| 121 | { |
| 122 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 123 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 124 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 125 | unsigned int clk = 0; |
| 126 | int ret = 0; |
| 127 | |
| 128 | switch (params_rate(params)) { |
| 129 | case 8000: |
| 130 | case 16000: |
| 131 | case 48000: |
| 132 | case 96000: |
| 133 | clk = 12288000; |
| 134 | break; |
| 135 | case 11025: |
| 136 | case 22050: |
| 137 | case 44100: |
| 138 | clk = 11289600; |
| 139 | break; |
| 140 | } |
| 141 | |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 142 | /* set the codec system clock for DAC and ADC */ |
Mark Brown | 9745e82 | 2010-08-17 23:40:24 +0100 | [diff] [blame] | 143 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk, |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 144 | SND_SOC_CLOCK_IN); |
| 145 | if (ret < 0) |
| 146 | return ret; |
| 147 | |
| 148 | /* set the I2S system clock as input (unused) */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 149 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 150 | SND_SOC_CLOCK_IN); |
| 151 | if (ret < 0) |
| 152 | return ret; |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 157 | static struct snd_soc_ops corgi_ops = { |
| 158 | .startup = corgi_startup, |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 159 | .hw_params = corgi_hw_params, |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 160 | .shutdown = corgi_shutdown, |
| 161 | }; |
| 162 | |
| 163 | static int corgi_get_jack(struct snd_kcontrol *kcontrol, |
| 164 | struct snd_ctl_elem_value *ucontrol) |
| 165 | { |
| 166 | ucontrol->value.integer.value[0] = corgi_jack_func; |
| 167 | return 0; |
| 168 | } |
| 169 | |
| 170 | static int corgi_set_jack(struct snd_kcontrol *kcontrol, |
| 171 | struct snd_ctl_elem_value *ucontrol) |
| 172 | { |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 173 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 174 | |
| 175 | if (corgi_jack_func == ucontrol->value.integer.value[0]) |
| 176 | return 0; |
| 177 | |
| 178 | corgi_jack_func = ucontrol->value.integer.value[0]; |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 179 | corgi_ext_control(&card->dapm); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 180 | return 1; |
| 181 | } |
| 182 | |
| 183 | static int corgi_get_spk(struct snd_kcontrol *kcontrol, |
| 184 | struct snd_ctl_elem_value *ucontrol) |
| 185 | { |
| 186 | ucontrol->value.integer.value[0] = corgi_spk_func; |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | static int corgi_set_spk(struct snd_kcontrol *kcontrol, |
| 191 | struct snd_ctl_elem_value *ucontrol) |
| 192 | { |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 193 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 194 | |
| 195 | if (corgi_spk_func == ucontrol->value.integer.value[0]) |
| 196 | return 0; |
| 197 | |
| 198 | corgi_spk_func = ucontrol->value.integer.value[0]; |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 199 | corgi_ext_control(&card->dapm); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 200 | return 1; |
| 201 | } |
| 202 | |
Jarkko Nikula | 338c7ed | 2008-02-28 12:34:48 +0100 | [diff] [blame] | 203 | static int corgi_amp_event(struct snd_soc_dapm_widget *w, |
| 204 | struct snd_kcontrol *k, int event) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 205 | { |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 206 | gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event)); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 207 | return 0; |
| 208 | } |
| 209 | |
Jarkko Nikula | 338c7ed | 2008-02-28 12:34:48 +0100 | [diff] [blame] | 210 | static int corgi_mic_event(struct snd_soc_dapm_widget *w, |
| 211 | struct snd_kcontrol *k, int event) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 212 | { |
Eric Miao | 6168cda | 2008-09-05 18:15:22 +0800 | [diff] [blame] | 213 | gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event)); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | /* corgi machine dapm widgets */ |
| 218 | static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { |
| 219 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 220 | SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event), |
| 221 | SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event), |
| 222 | SND_SOC_DAPM_LINE("Line Jack", NULL), |
| 223 | SND_SOC_DAPM_HP("Headset Jack", NULL), |
| 224 | }; |
| 225 | |
| 226 | /* Corgi machine audio map (connections to the codec pins) */ |
Axel Lin | 32696af | 2011-12-30 11:16:32 +0800 | [diff] [blame] | 227 | static const struct snd_soc_dapm_route corgi_audio_map[] = { |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 228 | |
| 229 | /* headset Jack - in = micin, out = LHPOUT*/ |
| 230 | {"Headset Jack", NULL, "LHPOUT"}, |
| 231 | |
| 232 | /* headphone connected to LHPOUT1, RHPOUT1 */ |
| 233 | {"Headphone Jack", NULL, "LHPOUT"}, |
| 234 | {"Headphone Jack", NULL, "RHPOUT"}, |
| 235 | |
| 236 | /* speaker connected to LOUT, ROUT */ |
| 237 | {"Ext Spk", NULL, "ROUT"}, |
| 238 | {"Ext Spk", NULL, "LOUT"}, |
| 239 | |
| 240 | /* mic is connected to MICIN (via right channel of headphone jack) */ |
| 241 | {"MICIN", NULL, "Mic Jack"}, |
| 242 | |
| 243 | /* Same as the above but no mic bias for line signals */ |
| 244 | {"MICIN", NULL, "Line Jack"}, |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 245 | }; |
| 246 | |
| 247 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", |
| 248 | "Off"}; |
| 249 | static const char *spk_function[] = {"On", "Off"}; |
| 250 | static const struct soc_enum corgi_enum[] = { |
| 251 | SOC_ENUM_SINGLE_EXT(5, jack_function), |
| 252 | SOC_ENUM_SINGLE_EXT(2, spk_function), |
| 253 | }; |
| 254 | |
| 255 | static const struct snd_kcontrol_new wm8731_corgi_controls[] = { |
| 256 | SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack, |
| 257 | corgi_set_jack), |
| 258 | SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk, |
| 259 | corgi_set_spk), |
| 260 | }; |
| 261 | |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 262 | /* corgi digital audio interface glue - connects codec <--> CPU */ |
| 263 | static struct snd_soc_dai_link corgi_dai = { |
| 264 | .name = "WM8731", |
| 265 | .stream_name = "WM8731", |
Dmitry Eremin-Solenikov | a3adfa0 | 2011-01-21 22:14:17 +0300 | [diff] [blame] | 266 | .cpu_dai_name = "pxa2xx-i2s", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 267 | .codec_dai_name = "wm8731-hifi", |
| 268 | .platform_name = "pxa-pcm-audio", |
Mark Brown | 99b59f3 | 2011-03-27 14:35:15 +0100 | [diff] [blame] | 269 | .codec_name = "wm8731.0-001b", |
Axel Lin | 74f4dd5 | 2011-12-30 11:13:24 +0800 | [diff] [blame] | 270 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| 271 | SND_SOC_DAIFMT_CBS_CFS, |
Liam Girdwood | d928b25 | 2007-02-02 17:22:20 +0100 | [diff] [blame] | 272 | .ops = &corgi_ops, |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 273 | }; |
| 274 | |
| 275 | /* corgi audio machine driver */ |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 276 | static struct snd_soc_card corgi = { |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 277 | .name = "Corgi", |
Axel Lin | 561c6a1 | 2011-12-22 09:44:43 +0800 | [diff] [blame] | 278 | .owner = THIS_MODULE, |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 279 | .dai_link = &corgi_dai, |
| 280 | .num_links = 1, |
Axel Lin | 32696af | 2011-12-30 11:16:32 +0800 | [diff] [blame] | 281 | |
| 282 | .controls = wm8731_corgi_controls, |
| 283 | .num_controls = ARRAY_SIZE(wm8731_corgi_controls), |
| 284 | .dapm_widgets = wm8731_dapm_widgets, |
| 285 | .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets), |
| 286 | .dapm_routes = corgi_audio_map, |
| 287 | .num_dapm_routes = ARRAY_SIZE(corgi_audio_map), |
Lars-Peter Clausen | 46d0d8d | 2015-01-09 22:03:26 +0100 | [diff] [blame] | 288 | .fully_routed = true, |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 289 | }; |
| 290 | |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 291 | static int corgi_probe(struct platform_device *pdev) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 292 | { |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 293 | struct snd_soc_card *card = &corgi; |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 294 | int ret; |
| 295 | |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 296 | card->dev = &pdev->dev; |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 297 | |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 298 | ret = snd_soc_register_card(card); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 299 | if (ret) |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 300 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 301 | ret); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 302 | return ret; |
| 303 | } |
| 304 | |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 305 | static int corgi_remove(struct platform_device *pdev) |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 306 | { |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 307 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 308 | |
| 309 | snd_soc_unregister_card(card); |
| 310 | return 0; |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 311 | } |
| 312 | |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 313 | static struct platform_driver corgi_driver = { |
| 314 | .driver = { |
| 315 | .name = "corgi-audio", |
Dmitry Eremin-Solenikov | 7db1698 | 2013-10-17 14:01:37 +0400 | [diff] [blame] | 316 | .pm = &snd_soc_pm_ops, |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 317 | }, |
| 318 | .probe = corgi_probe, |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 319 | .remove = corgi_remove, |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 320 | }; |
| 321 | |
| 322 | module_platform_driver(corgi_driver); |
Liam Girdwood | a1eb4b3 | 2006-10-12 14:31:16 +0200 | [diff] [blame] | 323 | |
| 324 | /* Module information */ |
| 325 | MODULE_AUTHOR("Richard Purdie"); |
| 326 | MODULE_DESCRIPTION("ALSA SoC Corgi"); |
| 327 | MODULE_LICENSE("GPL"); |
Axel Lin | 34be924 | 2011-12-30 11:18:13 +0800 | [diff] [blame] | 328 | MODULE_ALIAS("platform:corgi-audio"); |