sound/soc/qcom/sc7180.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2020, The Linux Foundation. All rights reserved.
   4 //
   5 // sc7180.c -- ALSA SoC Machine driver for SC7180
   6
   7 #include <dt-bindings/sound/sc7180-lpass.h>
   8 #include <dt-bindings/sound/qcom,q6afe.h>
   9 #include <linux/gpio/consumer.h>
  10 #include <linux/module.h>
  11 #include <linux/of.h>
  12 #include <linux/platform_device.h>
  13 #include <sound/core.h>
  14 #include <sound/jack.h>
  15 #include <sound/pcm.h>
  16 #include <sound/soc.h>
  17 #include <uapi/linux/input-event-codes.h>
  18
  19 #include "../codecs/rt5682.h"
  20 #include "../codecs/rt5682s.h"
  21 #include "common.h"
  22 #include "qdsp6/q6afe.h"
  23
  24 #define DEFAULT_MCLK_RATE               19200000
  25 #define MI2S_BCLK_RATE                  1536000
  26 #define RT5682_PLL1_FREQ (48000 * 512)
  27
  28 #define DRIVER_NAME "SC7180"
  29
  30 struct sc7180_snd_data {
  31         struct snd_soc_card card;
  32         u32 pri_mi2s_clk_count;
  33         struct snd_soc_jack hs_jack;
  34         struct snd_soc_jack hdmi_jack;
  35         struct gpio_desc *dmic_sel;
  36         int dmic_switch;
  37 };
  38
  39 static void sc7180_jack_free(struct snd_jack *jack)
  40 {
  41         struct snd_soc_component *component = jack->private_data;
  42
  43         snd_soc_component_set_jack(component, NULL, NULL);
  44 }
  45
  46 static struct snd_soc_jack_pin sc7180_jack_pins[] = {
  47         {
  48                 .pin = "Headphone Jack",
  49                 .mask = SND_JACK_HEADPHONE,
  50         },
  51         {
  52                 .pin = "Headset Mic",
  53                 .mask = SND_JACK_MICROPHONE,
  54         },
  55 };
  56
  57 static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd)
  58 {
  59         struct snd_soc_card *card = rtd->card;
  60         struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
  61         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
  62         struct snd_soc_component *component = codec_dai->component;
  63         struct snd_jack *jack;
  64         int rval;
  65
  66         rval = snd_soc_card_jack_new_pins(card, "Headset Jack",
  67                                           SND_JACK_HEADSET |
  68                                           SND_JACK_HEADPHONE |
  69                                           SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  70                                           SND_JACK_BTN_2 | SND_JACK_BTN_3,
  71                                           &pdata->hs_jack,
  72                                           sc7180_jack_pins,
  73                                           ARRAY_SIZE(sc7180_jack_pins));
  74
  75         if (rval < 0) {
  76                 dev_err(card->dev, "Unable to add Headset Jack\n");
  77                 return rval;
  78         }
  79
  80         jack = pdata->hs_jack.jack;
  81
  82         snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  83         snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
  84         snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
  85         snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
  86
  87         jack->private_data = component;
  88         jack->private_free = sc7180_jack_free;
  89
  90         return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
  91 }
  92
  93 static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd)
  94 {
  95         struct snd_soc_card *card = rtd->card;
  96         struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
  97         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
  98         struct snd_soc_component *component = codec_dai->component;
  99         struct snd_jack *jack;
 100         int rval;
 101
 102         rval = snd_soc_card_jack_new(
 103                         card, "HDMI Jack",
 104                         SND_JACK_LINEOUT,
 105                         &pdata->hdmi_jack);
 106
 107         if (rval < 0) {
 108                 dev_err(card->dev, "Unable to add HDMI Jack\n");
 109                 return rval;
 110         }
 111
 112         jack = pdata->hdmi_jack.jack;
 113         jack->private_data = component;
 114         jack->private_free = sc7180_jack_free;
 115
 116         return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
 117 }
 118
 119 static int sc7180_init(struct snd_soc_pcm_runtime *rtd)
 120 {
 121         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 122
 123         switch (cpu_dai->id) {
 124         case MI2S_PRIMARY:
 125                 return sc7180_headset_init(rtd);
 126         case MI2S_SECONDARY:
 127                 return 0;
 128         case LPASS_DP_RX:
 129                 return sc7180_hdmi_init(rtd);
 130         default:
 131                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 132                         cpu_dai->id);
 133                 return -EINVAL;
 134         }
 135         return 0;
 136 }
 137
 138 static int sc7180_qdsp_init(struct snd_soc_pcm_runtime *rtd)
 139 {
 140         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 141
 142         switch (cpu_dai->id) {
 143         case PRIMARY_MI2S_RX:
 144                 return sc7180_headset_init(rtd);
 145         case PRIMARY_MI2S_TX:
 146         case TERTIARY_MI2S_RX:
 147                 return 0;
 148         case DISPLAY_PORT_RX:
 149                 return sc7180_hdmi_init(rtd);
 150         default:
 151                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 152                         cpu_dai->id);
 153                 return -EINVAL;
 154         }
 155         return 0;
 156 }
 157
 158 static int sc7180_startup_realtek_codec(struct snd_soc_pcm_runtime *rtd)
 159 {
 160         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 161         int pll_id, pll_source, pll_in, pll_out, clk_id, ret;
 162
 163         if (!strcmp(codec_dai->name, "rt5682-aif1")) {
 164                 pll_source = RT5682_PLL1_S_MCLK;
 165                 pll_id = 0;
 166                 clk_id = RT5682_SCLK_S_PLL1;
 167                 pll_out = RT5682_PLL1_FREQ;
 168                 pll_in = DEFAULT_MCLK_RATE;
 169         } else if (!strcmp(codec_dai->name, "rt5682s-aif1")) {
 170                 pll_source = RT5682S_PLL_S_MCLK;
 171                 pll_id = RT5682S_PLL2;
 172                 clk_id = RT5682S_SCLK_S_PLL2;
 173                 pll_out = RT5682_PLL1_FREQ;
 174                 pll_in = DEFAULT_MCLK_RATE;
 175         } else {
 176                 return 0;
 177         }
 178         snd_soc_dai_set_fmt(codec_dai,
 179                             SND_SOC_DAIFMT_BC_FC |
 180                             SND_SOC_DAIFMT_NB_NF |
 181                             SND_SOC_DAIFMT_I2S);
 182
 183         /* Configure PLL1 for codec */
 184         ret = snd_soc_dai_set_pll(codec_dai, pll_id, pll_source,
 185                                   pll_in, pll_out);
 186         if (ret) {
 187                 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
 188                 return ret;
 189         }
 190
 191         /* Configure sysclk for codec */
 192         ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, pll_out,
 193                                      SND_SOC_CLOCK_IN);
 194         if (ret)
 195                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
 196                         ret);
 197
 198         return ret;
 199 }
 200
 201 static int sc7180_snd_startup(struct snd_pcm_substream *substream)
 202 {
 203         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 204         struct snd_soc_card *card = rtd->card;
 205         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
 206         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 207         int ret;
 208
 209         switch (cpu_dai->id) {
 210         case MI2S_PRIMARY:
 211                 if (++data->pri_mi2s_clk_count == 1) {
 212                         snd_soc_dai_set_sysclk(cpu_dai,
 213                                                LPASS_MCLK0,
 214                                                DEFAULT_MCLK_RATE,
 215                                                SNDRV_PCM_STREAM_PLAYBACK);
 216                 }
 217
 218                 ret = sc7180_startup_realtek_codec(rtd);
 219                 if (ret)
 220                         return ret;
 221
 222                 break;
 223         case MI2S_SECONDARY:
 224                 break;
 225         case LPASS_DP_RX:
 226                 break;
 227         default:
 228                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 229                         cpu_dai->id);
 230                 return -EINVAL;
 231         }
 232         return 0;
 233 }
 234
 235 static int sc7180_qdsp_snd_startup(struct snd_pcm_substream *substream)
 236 {
 237         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 238         struct snd_soc_card *card = rtd->card;
 239         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
 240         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 241         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 242         int ret;
 243
 244         switch (cpu_dai->id) {
 245         case PRIMARY_MI2S_RX:
 246         case PRIMARY_MI2S_TX:
 247                 if (++data->pri_mi2s_clk_count == 1) {
 248                         snd_soc_dai_set_sysclk(cpu_dai,
 249                                                Q6AFE_LPASS_CLK_ID_MCLK_1,
 250                                                DEFAULT_MCLK_RATE,
 251                                                SNDRV_PCM_STREAM_PLAYBACK);
 252                         snd_soc_dai_set_sysclk(cpu_dai,
 253                                                Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
 254                                                MI2S_BCLK_RATE,
 255                                                SNDRV_PCM_STREAM_PLAYBACK);
 256                 }
 257
 258                 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
 259
 260                 ret = sc7180_startup_realtek_codec(rtd);
 261                 if (ret)
 262                         return ret;
 263
 264                 break;
 265         case TERTIARY_MI2S_RX:
 266                 snd_soc_dai_set_sysclk(cpu_dai,
 267                                        Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
 268                                        MI2S_BCLK_RATE,
 269                                        SNDRV_PCM_STREAM_PLAYBACK);
 270
 271                 snd_soc_dai_set_fmt(codec_dai,
 272                                 SND_SOC_DAIFMT_BC_FC |
 273                                 SND_SOC_DAIFMT_NB_NF |
 274                                 SND_SOC_DAIFMT_I2S);
 275                 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
 276                 break;
 277         case DISPLAY_PORT_RX:
 278                 break;
 279         default:
 280                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 281                         cpu_dai->id);
 282                 return -EINVAL;
 283         }
 284         return 0;
 285 }
 286
 287 static int dmic_get(struct snd_kcontrol *kcontrol,
 288                     struct snd_ctl_elem_value *ucontrol)
 289 {
 290         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 291         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
 292
 293         ucontrol->value.integer.value[0] = data->dmic_switch;
 294         return 0;
 295 }
 296
 297 static int dmic_set(struct snd_kcontrol *kcontrol,
 298                     struct snd_ctl_elem_value *ucontrol)
 299 {
 300         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 301         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
 302
 303         data->dmic_switch = ucontrol->value.integer.value[0];
 304         gpiod_set_value(data->dmic_sel, data->dmic_switch);
 305         return 0;
 306 }
 307
 308 static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
 309 {
 310         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 311         struct snd_soc_card *card = rtd->card;
 312         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
 313         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 314
 315         switch (cpu_dai->id) {
 316         case MI2S_PRIMARY:
 317                 if (--data->pri_mi2s_clk_count == 0) {
 318                         snd_soc_dai_set_sysclk(cpu_dai,
 319                                                LPASS_MCLK0,
 320                                                0,
 321                                                SNDRV_PCM_STREAM_PLAYBACK);
 322                 }
 323                 break;
 324         case MI2S_SECONDARY:
 325                 break;
 326         case LPASS_DP_RX:
 327                 break;
 328         default:
 329                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 330                         cpu_dai->id);
 331                 break;
 332         }
 333 }
 334
 335 static void sc7180_qdsp_snd_shutdown(struct snd_pcm_substream *substream)
 336 {
 337         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 338         struct snd_soc_card *card = rtd->card;
 339         struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
 340         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 341
 342         switch (cpu_dai->id) {
 343         case PRIMARY_MI2S_RX:
 344         case PRIMARY_MI2S_TX:
 345                 if (--data->pri_mi2s_clk_count == 0) {
 346                         snd_soc_dai_set_sysclk(cpu_dai,
 347                                                Q6AFE_LPASS_CLK_ID_MCLK_1,
 348                                                0,
 349                                                SNDRV_PCM_STREAM_PLAYBACK);
 350                         snd_soc_dai_set_sysclk(cpu_dai,
 351                                                Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
 352                                                0,
 353                                                SNDRV_PCM_STREAM_PLAYBACK);
 354                 }
 355                 break;
 356         case TERTIARY_MI2S_RX:
 357                 snd_soc_dai_set_sysclk(cpu_dai,
 358                                        Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
 359                                        0,
 360                                        SNDRV_PCM_STREAM_PLAYBACK);
 361                 break;
 362         case DISPLAY_PORT_RX:
 363                 break;
 364         default:
 365                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 366                         cpu_dai->id);
 367                 break;
 368         }
 369 }
 370
 371 static int sc7180_adau7002_init(struct snd_soc_pcm_runtime *rtd)
 372 {
 373         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 374
 375         switch (cpu_dai->id) {
 376         case MI2S_PRIMARY:
 377                 return 0;
 378         case MI2S_SECONDARY:
 379                 return 0;
 380         case LPASS_DP_RX:
 381                 return sc7180_hdmi_init(rtd);
 382         default:
 383                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 384                         cpu_dai->id);
 385                 return -EINVAL;
 386         }
 387         return 0;
 388 }
 389
 390 static int sc7180_adau7002_snd_startup(struct snd_pcm_substream *substream)
 391 {
 392         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 393         struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 394         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 395         struct snd_pcm_runtime *runtime = substream->runtime;
 396
 397         switch (cpu_dai->id) {
 398         case MI2S_PRIMARY:
 399                 snd_soc_dai_set_fmt(codec_dai,
 400                                     SND_SOC_DAIFMT_CBS_CFS |
 401                                     SND_SOC_DAIFMT_NB_NF |
 402                                     SND_SOC_DAIFMT_I2S);
 403                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
 404                 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 32);
 405
 406                 break;
 407         case MI2S_SECONDARY:
 408                 break;
 409         case LPASS_DP_RX:
 410                 break;
 411         default:
 412                 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 413                         cpu_dai->id);
 414                 return -EINVAL;
 415         }
 416         return 0;
 417 }
 418
 419 static int sc7180_qdsp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 420                                      struct snd_pcm_hw_params *params)
 421 {
 422         struct snd_interval *rate = hw_param_interval(params,
 423                                         SNDRV_PCM_HW_PARAM_RATE);
 424         struct snd_interval *channels = hw_param_interval(params,
 425                                         SNDRV_PCM_HW_PARAM_CHANNELS);
 426
 427         rate->min = rate->max = 48000;
 428         channels->min = channels->max = 2;
 429
 430         return 0;
 431 }
 432
 433 static const struct snd_soc_ops sc7180_ops = {
 434         .startup = sc7180_snd_startup,
 435         .shutdown = sc7180_snd_shutdown,
 436 };
 437
 438 static const struct snd_soc_ops sc7180_qdsp_ops = {
 439         .startup = sc7180_qdsp_snd_startup,
 440         .shutdown = sc7180_qdsp_snd_shutdown,
 441 };
 442
 443 static const struct snd_soc_ops sc7180_adau7002_ops = {
 444         .startup = sc7180_adau7002_snd_startup,
 445 };
 446
 447 static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = {
 448         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 449         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 450 };
 451
 452 static const struct snd_kcontrol_new sc7180_snd_controls[] = {
 453         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 454         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 455 };
 456
 457 static const struct snd_soc_dapm_widget sc7180_adau7002_snd_widgets[] = {
 458         SND_SOC_DAPM_MIC("DMIC", NULL),
 459 };
 460
 461 static const char * const dmic_mux_text[] = {
 462         "Front Mic",
 463         "Rear Mic",
 464 };
 465
 466 static SOC_ENUM_SINGLE_DECL(sc7180_dmic_enum,
 467                             SND_SOC_NOPM, 0, dmic_mux_text);
 468
 469 static const struct snd_kcontrol_new sc7180_dmic_mux_control =
 470         SOC_DAPM_ENUM_EXT("DMIC Select Mux", sc7180_dmic_enum,
 471                           dmic_get, dmic_set);
 472
 473 static const struct snd_soc_dapm_widget sc7180_snd_dual_mic_widgets[] = {
 474         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 475         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 476         SND_SOC_DAPM_MIC("DMIC", NULL),
 477         SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, &sc7180_dmic_mux_control),
 478 };
 479
 480 static const struct snd_kcontrol_new sc7180_snd_dual_mic_controls[] = {
 481         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 482         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 483 };
 484
 485 static const struct snd_soc_dapm_route sc7180_snd_dual_mic_audio_route[] = {
 486         {"Dmic Mux", "Front Mic", "DMIC"},
 487         {"Dmic Mux", "Rear Mic", "DMIC"},
 488 };
 489
 490 static int sc7180_snd_platform_probe(struct platform_device *pdev)
 491 {
 492         struct snd_soc_card *card;
 493         struct sc7180_snd_data *data;
 494         struct device *dev = &pdev->dev;
 495         struct snd_soc_dai_link *link;
 496         int ret;
 497         int i;
 498         bool qdsp = false, no_headphone = false;
 499
 500         /* Allocate the private data */
 501         data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 502         if (!data)
 503                 return -ENOMEM;
 504
 505         card = &data->card;
 506         snd_soc_card_set_drvdata(card, data);
 507
 508         card->owner = THIS_MODULE;
 509         card->driver_name = DRIVER_NAME;
 510         card->dev = dev;
 511         card->dapm_widgets = sc7180_snd_widgets;
 512         card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets);
 513         card->controls = sc7180_snd_controls;
 514         card->num_controls = ARRAY_SIZE(sc7180_snd_controls);
 515
 516         if (of_property_read_bool(dev->of_node, "dmic-gpios")) {
 517                 card->dapm_widgets = sc7180_snd_dual_mic_widgets,
 518                 card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_dual_mic_widgets),
 519                 card->controls = sc7180_snd_dual_mic_controls,
 520                 card->num_controls = ARRAY_SIZE(sc7180_snd_dual_mic_controls),
 521                 card->dapm_routes = sc7180_snd_dual_mic_audio_route,
 522                 card->num_dapm_routes = ARRAY_SIZE(sc7180_snd_dual_mic_audio_route),
 523                 data->dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
 524                 if (IS_ERR(data->dmic_sel)) {
 525                         dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", PTR_ERR(data->dmic_sel));
 526                         return PTR_ERR(data->dmic_sel);
 527                 }
 528         }
 529
 530         if (of_device_is_compatible(dev->of_node, "google,sc7180-coachz")) {
 531                 no_headphone = true;
 532                 card->dapm_widgets = sc7180_adau7002_snd_widgets;
 533                 card->num_dapm_widgets = ARRAY_SIZE(sc7180_adau7002_snd_widgets);
 534         } else if (of_device_is_compatible(dev->of_node, "qcom,sc7180-qdsp6-sndcard")) {
 535                 qdsp = true;
 536         }
 537
 538         ret = qcom_snd_parse_of(card);
 539         if (ret)
 540                 return ret;
 541
 542         for_each_card_prelinks(card, i, link) {
 543                 if (no_headphone) {
 544                         link->ops = &sc7180_adau7002_ops;
 545                         link->init = sc7180_adau7002_init;
 546                 } else if (qdsp) {
 547                         if (link->no_pcm == 1) {
 548                                 link->ops = &sc7180_qdsp_ops;
 549                                 link->be_hw_params_fixup = sc7180_qdsp_be_hw_params_fixup;
 550                                 link->init = sc7180_qdsp_init;
 551                         }
 552                 } else {
 553                         link->ops = &sc7180_ops;
 554                         link->init = sc7180_init;
 555                 }
 556         }
 557
 558         return devm_snd_soc_register_card(dev, card);
 559 }
 560
 561 static const struct of_device_id sc7180_snd_device_id[]  = {
 562         {.compatible = "google,sc7180-trogdor"},
 563         {.compatible = "google,sc7180-coachz"},
 564         {.compatible = "qcom,sc7180-qdsp6-sndcard"},
 565         {},
 566 };
 567 MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
 568
 569 static struct platform_driver sc7180_snd_driver = {
 570         .probe = sc7180_snd_platform_probe,
 571         .driver = {
 572                 .name = "msm-snd-sc7180",
 573                 .of_match_table = sc7180_snd_device_id,
 574                 .pm = &snd_soc_pm_ops,
 575         },
 576 };
 577 module_platform_driver(sc7180_snd_driver);
 578
 579 MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
 580 MODULE_LICENSE("GPL");