Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * harmony.c - Harmony machine ASoC driver |
| 3 | * |
| 4 | * Author: Stephen Warren <swarren@nvidia.com> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 5 | * Copyright (C) 2010-2011 - NVIDIA, Inc. |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 6 | * |
| 7 | * Based on code copyright/by: |
| 8 | * |
| 9 | * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. |
| 10 | * |
| 11 | * Copyright 2007 Wolfson Microelectronics PLC. |
| 12 | * Author: Graeme Gregory |
| 13 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or |
| 16 | * modify it under the terms of the GNU General Public License |
| 17 | * version 2 as published by the Free Software Foundation. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, but |
| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | * General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with this program; if not, write to the Free Software |
| 26 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 27 | * 02110-1301 USA |
| 28 | * |
| 29 | */ |
| 30 | |
| 31 | #include <asm/mach-types.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 32 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 33 | #include <linux/module.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 34 | #include <linux/platform_device.h> |
| 35 | #include <linux/slab.h> |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 36 | #include <linux/gpio.h> |
| 37 | |
| 38 | #include <mach/harmony_audio.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 39 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 40 | #include <sound/core.h> |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 41 | #include <sound/jack.h> |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 42 | #include <sound/pcm.h> |
| 43 | #include <sound/pcm_params.h> |
| 44 | #include <sound/soc.h> |
| 45 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame^] | 46 | #include "../codecs/wm8903.h" |
| 47 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 48 | #include "tegra_das.h" |
| 49 | #include "tegra_i2s.h" |
| 50 | #include "tegra_pcm.h" |
| 51 | #include "tegra_asoc_utils.h" |
| 52 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 53 | #define DRV_NAME "tegra-snd-harmony" |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 54 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 55 | struct tegra_harmony { |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 56 | struct tegra_asoc_utils_data util_data; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 57 | struct harmony_audio_platform_data *pdata; |
| 58 | int gpio_spkr_en_requested; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 59 | }; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 60 | |
| 61 | static int harmony_asoc_hw_params(struct snd_pcm_substream *substream, |
| 62 | struct snd_pcm_hw_params *params) |
| 63 | { |
| 64 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 65 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 66 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 67 | struct snd_soc_codec *codec = rtd->codec; |
| 68 | struct snd_soc_card *card = codec->card; |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 69 | struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 70 | int srate, mclk, mclk_change; |
| 71 | int err; |
| 72 | |
| 73 | srate = params_rate(params); |
| 74 | switch (srate) { |
| 75 | case 64000: |
| 76 | case 88200: |
| 77 | case 96000: |
| 78 | mclk = 128 * srate; |
| 79 | break; |
| 80 | default: |
| 81 | mclk = 256 * srate; |
| 82 | break; |
| 83 | } |
| 84 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ |
| 85 | while (mclk < 6000000) |
| 86 | mclk *= 2; |
| 87 | |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 88 | err = tegra_asoc_utils_set_rate(&harmony->util_data, srate, mclk, |
| 89 | &mclk_change); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 90 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 91 | dev_err(card->dev, "Can't configure clocks\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 92 | return err; |
| 93 | } |
| 94 | |
| 95 | err = snd_soc_dai_set_fmt(codec_dai, |
| 96 | SND_SOC_DAIFMT_I2S | |
| 97 | SND_SOC_DAIFMT_NB_NF | |
| 98 | SND_SOC_DAIFMT_CBS_CFS); |
| 99 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 100 | dev_err(card->dev, "codec_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 101 | return err; |
| 102 | } |
| 103 | |
| 104 | err = snd_soc_dai_set_fmt(cpu_dai, |
| 105 | SND_SOC_DAIFMT_I2S | |
| 106 | SND_SOC_DAIFMT_NB_NF | |
| 107 | SND_SOC_DAIFMT_CBS_CFS); |
| 108 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 109 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 110 | return err; |
| 111 | } |
| 112 | |
| 113 | if (mclk_change) { |
Stephen Warren | bc72fe0 | 2011-01-28 14:26:38 -0700 | [diff] [blame] | 114 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 115 | SND_SOC_CLOCK_IN); |
| 116 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 117 | dev_err(card->dev, "codec_dai clock not set\n"); |
Stephen Warren | bc72fe0 | 2011-01-28 14:26:38 -0700 | [diff] [blame] | 118 | return err; |
| 119 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static struct snd_soc_ops harmony_asoc_ops = { |
| 126 | .hw_params = harmony_asoc_hw_params, |
| 127 | }; |
| 128 | |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 129 | static struct snd_soc_jack harmony_hp_jack; |
| 130 | |
| 131 | static struct snd_soc_jack_pin harmony_hp_jack_pins[] = { |
| 132 | { |
| 133 | .pin = "Headphone Jack", |
| 134 | .mask = SND_JACK_HEADPHONE, |
| 135 | }, |
| 136 | }; |
| 137 | |
| 138 | static struct snd_soc_jack_gpio harmony_hp_jack_gpios[] = { |
| 139 | { |
| 140 | .name = "headphone detect", |
| 141 | .report = SND_JACK_HEADPHONE, |
| 142 | .debounce_time = 150, |
| 143 | .invert = 1, |
| 144 | } |
| 145 | }; |
| 146 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame^] | 147 | static struct snd_soc_jack harmony_mic_jack; |
| 148 | |
| 149 | static struct snd_soc_jack_pin harmony_mic_jack_pins[] = { |
| 150 | { |
| 151 | .pin = "Mic Jack", |
| 152 | .mask = SND_JACK_MICROPHONE, |
| 153 | }, |
| 154 | }; |
| 155 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 156 | static int harmony_event_int_spk(struct snd_soc_dapm_widget *w, |
| 157 | struct snd_kcontrol *k, int event) |
| 158 | { |
| 159 | struct snd_soc_codec *codec = w->codec; |
| 160 | struct snd_soc_card *card = codec->card; |
| 161 | struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); |
| 162 | struct harmony_audio_platform_data *pdata = harmony->pdata; |
| 163 | |
| 164 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
Stephen Warren | f9eabc3 | 2011-01-31 11:00:17 -0700 | [diff] [blame] | 165 | SND_SOC_DAPM_EVENT_ON(event)); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 166 | |
| 167 | return 0; |
| 168 | } |
| 169 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 170 | static const struct snd_soc_dapm_widget harmony_dapm_widgets[] = { |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 171 | SND_SOC_DAPM_SPK("Int Spk", harmony_event_int_spk), |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 172 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 173 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
| 174 | }; |
| 175 | |
| 176 | static const struct snd_soc_dapm_route harmony_audio_map[] = { |
| 177 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 178 | {"Headphone Jack", NULL, "HPOUTL"}, |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 179 | {"Int Spk", NULL, "ROP"}, |
| 180 | {"Int Spk", NULL, "RON"}, |
| 181 | {"Int Spk", NULL, "LOP"}, |
| 182 | {"Int Spk", NULL, "LON"}, |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 183 | {"Mic Bias", NULL, "Mic Jack"}, |
| 184 | {"IN1L", NULL, "Mic Bias"}, |
| 185 | }; |
| 186 | |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 187 | static const struct snd_kcontrol_new harmony_controls[] = { |
| 188 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
| 189 | }; |
| 190 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 191 | static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd) |
| 192 | { |
| 193 | struct snd_soc_codec *codec = rtd->codec; |
| 194 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 195 | struct snd_soc_card *card = codec->card; |
| 196 | struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); |
| 197 | struct harmony_audio_platform_data *pdata = harmony->pdata; |
| 198 | int ret; |
| 199 | |
| 200 | ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); |
| 201 | if (ret) { |
| 202 | dev_err(card->dev, "cannot get spkr_en gpio\n"); |
| 203 | return ret; |
| 204 | } |
| 205 | harmony->gpio_spkr_en_requested = 1; |
| 206 | |
| 207 | gpio_direction_output(pdata->gpio_spkr_en, 0); |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 208 | |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 209 | ret = snd_soc_add_controls(codec, harmony_controls, |
| 210 | ARRAY_SIZE(harmony_controls)); |
| 211 | if (ret < 0) |
| 212 | return ret; |
| 213 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 214 | snd_soc_dapm_new_controls(dapm, harmony_dapm_widgets, |
| 215 | ARRAY_SIZE(harmony_dapm_widgets)); |
| 216 | |
| 217 | snd_soc_dapm_add_routes(dapm, harmony_audio_map, |
| 218 | ARRAY_SIZE(harmony_audio_map)); |
| 219 | |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 220 | harmony_hp_jack_gpios[0].gpio = pdata->gpio_hp_det; |
| 221 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, |
| 222 | &harmony_hp_jack); |
| 223 | snd_soc_jack_add_pins(&harmony_hp_jack, |
| 224 | ARRAY_SIZE(harmony_hp_jack_pins), |
| 225 | harmony_hp_jack_pins); |
| 226 | snd_soc_jack_add_gpios(&harmony_hp_jack, |
| 227 | ARRAY_SIZE(harmony_hp_jack_gpios), |
| 228 | harmony_hp_jack_gpios); |
| 229 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame^] | 230 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
| 231 | &harmony_mic_jack); |
| 232 | snd_soc_jack_add_pins(&harmony_mic_jack, |
| 233 | ARRAY_SIZE(harmony_mic_jack_pins), |
| 234 | harmony_mic_jack_pins); |
| 235 | wm8903_mic_detect(codec, &harmony_mic_jack, SND_JACK_MICROPHONE, 0); |
| 236 | |
| 237 | snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); |
| 238 | |
| 239 | snd_soc_dapm_sync(dapm); |
| 240 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 241 | return 0; |
| 242 | } |
| 243 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 244 | static struct snd_soc_dai_link harmony_wm8903_dai = { |
| 245 | .name = "WM8903", |
| 246 | .stream_name = "WM8903 PCM", |
Mark Brown | 4b592c9 | 2011-02-09 13:47:06 +0000 | [diff] [blame] | 247 | .codec_name = "wm8903.0-001a", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 248 | .platform_name = "tegra-pcm-audio", |
| 249 | .cpu_dai_name = "tegra-i2s.0", |
| 250 | .codec_dai_name = "wm8903-hifi", |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 251 | .init = harmony_asoc_init, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 252 | .ops = &harmony_asoc_ops, |
| 253 | }; |
| 254 | |
| 255 | static struct snd_soc_card snd_soc_harmony = { |
| 256 | .name = "tegra-harmony", |
| 257 | .dai_link = &harmony_wm8903_dai, |
| 258 | .num_links = 1, |
| 259 | }; |
| 260 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 261 | static __devinit int tegra_snd_harmony_probe(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 262 | { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 263 | struct snd_soc_card *card = &snd_soc_harmony; |
| 264 | struct tegra_harmony *harmony; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 265 | struct harmony_audio_platform_data *pdata; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 266 | int ret; |
| 267 | |
| 268 | if (!machine_is_harmony()) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 269 | dev_err(&pdev->dev, "Not running on Tegra Harmony!\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 270 | return -ENODEV; |
| 271 | } |
| 272 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 273 | pdata = pdev->dev.platform_data; |
| 274 | if (!pdata) { |
| 275 | dev_err(&pdev->dev, "no platform data supplied\n"); |
| 276 | return -EINVAL; |
| 277 | } |
| 278 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 279 | harmony = kzalloc(sizeof(struct tegra_harmony), GFP_KERNEL); |
| 280 | if (!harmony) { |
| 281 | dev_err(&pdev->dev, "Can't allocate tegra_harmony\n"); |
| 282 | return -ENOMEM; |
| 283 | } |
| 284 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 285 | harmony->pdata = pdata; |
| 286 | |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 287 | ret = tegra_asoc_utils_init(&harmony->util_data, &pdev->dev); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 288 | if (ret) |
| 289 | goto err_free_harmony; |
| 290 | |
| 291 | card->dev = &pdev->dev; |
| 292 | platform_set_drvdata(pdev, card); |
| 293 | snd_soc_card_set_drvdata(card, harmony); |
| 294 | |
| 295 | ret = snd_soc_register_card(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 296 | if (ret) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 297 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 298 | ret); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 299 | goto err_clear_drvdata; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | return 0; |
| 303 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 304 | err_clear_drvdata: |
| 305 | snd_soc_card_set_drvdata(card, NULL); |
| 306 | platform_set_drvdata(pdev, NULL); |
| 307 | card->dev = NULL; |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 308 | tegra_asoc_utils_fini(&harmony->util_data); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 309 | err_free_harmony: |
| 310 | kfree(harmony); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 311 | return ret; |
| 312 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 313 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 314 | static int __devexit tegra_snd_harmony_remove(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 315 | { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 316 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 317 | struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 318 | struct harmony_audio_platform_data *pdata = harmony->pdata; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 319 | |
| 320 | snd_soc_unregister_card(card); |
| 321 | |
| 322 | snd_soc_card_set_drvdata(card, NULL); |
| 323 | platform_set_drvdata(pdev, NULL); |
| 324 | card->dev = NULL; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 325 | |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 326 | tegra_asoc_utils_fini(&harmony->util_data); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 327 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 328 | if (harmony->gpio_spkr_en_requested) |
| 329 | gpio_free(pdata->gpio_spkr_en); |
| 330 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 331 | kfree(harmony); |
| 332 | |
| 333 | return 0; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 334 | } |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 335 | |
| 336 | static struct platform_driver tegra_snd_harmony_driver = { |
| 337 | .driver = { |
| 338 | .name = DRV_NAME, |
| 339 | .owner = THIS_MODULE, |
| 340 | }, |
| 341 | .probe = tegra_snd_harmony_probe, |
| 342 | .remove = __devexit_p(tegra_snd_harmony_remove), |
| 343 | }; |
| 344 | |
| 345 | static int __init snd_tegra_harmony_init(void) |
| 346 | { |
| 347 | return platform_driver_register(&tegra_snd_harmony_driver); |
| 348 | } |
| 349 | module_init(snd_tegra_harmony_init); |
| 350 | |
| 351 | static void __exit snd_tegra_harmony_exit(void) |
| 352 | { |
| 353 | platform_driver_unregister(&tegra_snd_harmony_driver); |
| 354 | } |
| 355 | module_exit(snd_tegra_harmony_exit); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 356 | |
| 357 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); |
| 358 | MODULE_DESCRIPTION("Harmony machine ASoC driver"); |
| 359 | MODULE_LICENSE("GPL"); |