sound/soc/intel/boards/skl_nau88l25_max98357a.c

   1 /*
   2  * Intel Skylake I2S Machine Driver with MAXIM98357A
   3  * and NAU88L25
   4  *
   5  * Copyright (C) 2015, Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License version
   9  * 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/platform_device.h>
  19 #include <sound/core.h>
  20 #include <sound/jack.h>
  21 #include <sound/pcm.h>
  22 #include <sound/pcm_params.h>
  23 #include <sound/soc.h>
  24 #include "../../codecs/nau8825.h"
  25 #include "../../codecs/hdac_hdmi.h"
  26
  27 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
  28 #define SKL_MAXIM_CODEC_DAI "HiFi"
  29
  30 static struct snd_soc_jack skylake_headset;
  31 static struct snd_soc_card skylake_audio_card;
  32
  33 struct skl_hdmi_pcm {
  34         struct list_head head;
  35         struct snd_soc_dai *codec_dai;
  36         int device;
  37 };
  38
  39 struct skl_nau8825_private {
  40         struct list_head hdmi_pcm_list;
  41 };
  42
  43 enum {
  44         SKL_DPCM_AUDIO_PB = 0,
  45         SKL_DPCM_AUDIO_CP,
  46         SKL_DPCM_AUDIO_REF_CP,
  47         SKL_DPCM_AUDIO_DMIC_CP,
  48         SKL_DPCM_AUDIO_HDMI1_PB,
  49         SKL_DPCM_AUDIO_HDMI2_PB,
  50         SKL_DPCM_AUDIO_HDMI3_PB,
  51 };
  52
  53 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  54 {
  55         struct snd_soc_pcm_runtime *rtd;
  56
  57         list_for_each_entry(rtd, &card->rtd_list, list) {
  58
  59                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  60                              strlen(SKL_NUVOTON_CODEC_DAI)))
  61                         return rtd->codec_dai;
  62         }
  63
  64         return NULL;
  65 }
  66
  67 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  68         struct snd_kcontrol *k, int  event)
  69 {
  70         struct snd_soc_dapm_context *dapm = w->dapm;
  71         struct snd_soc_card *card = dapm->card;
  72         struct snd_soc_dai *codec_dai;
  73         int ret;
  74
  75         codec_dai = skl_get_codec_dai(card);
  76         if (!codec_dai) {
  77                 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
  78                 return -EIO;
  79         }
  80
  81         if (SND_SOC_DAPM_EVENT_ON(event)) {
  82                 ret = snd_soc_dai_set_sysclk(codec_dai,
  83                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  84                 if (ret < 0) {
  85                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  86                         return -EIO;
  87                 }
  88         } else {
  89                 ret = snd_soc_dai_set_sysclk(codec_dai,
  90                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  91                 if (ret < 0) {
  92                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  93                         return -EIO;
  94                 }
  95         }
  96
  97         return ret;
  98 }
  99
 100 static const struct snd_kcontrol_new skylake_controls[] = {
 101         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 102         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 103         SOC_DAPM_PIN_SWITCH("Spk"),
 104 };
 105
 106 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 107         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 108         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 109         SND_SOC_DAPM_SPK("Spk", NULL),
 110         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 111         SND_SOC_DAPM_SPK("DP", NULL),
 112         SND_SOC_DAPM_SPK("HDMI", NULL),
 113         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 114                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 115                         SND_SOC_DAPM_POST_PMD),
 116 };
 117
 118 static const struct snd_soc_dapm_route skylake_map[] = {
 119         /* HP jack connectors - unknown if we have jack detection */
 120         { "Headphone Jack", NULL, "HPOL" },
 121         { "Headphone Jack", NULL, "HPOR" },
 122
 123         /* speaker */
 124         { "Spk", NULL, "Speaker" },
 125
 126         /* other jacks */
 127         { "MIC", NULL, "Headset Mic" },
 128         { "DMic", NULL, "SoC DMIC" },
 129
 130         {"HDMI", NULL, "hif5 Output"},
 131         {"DP", NULL, "hif6 Output"},
 132
 133         /* CODEC BE connections */
 134         { "HiFi Playback", NULL, "ssp0 Tx" },
 135         { "ssp0 Tx", NULL, "codec0_out" },
 136
 137         { "Playback", NULL, "ssp1 Tx" },
 138         { "ssp1 Tx", NULL, "codec1_out" },
 139
 140         { "codec0_in", NULL, "ssp1 Rx" },
 141         { "ssp1 Rx", NULL, "Capture" },
 142
 143         /* DMIC */
 144         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 145         { "DMIC01 Rx", NULL, "DMIC AIF" },
 146
 147         { "hifi3", NULL, "iDisp3 Tx"},
 148         { "iDisp3 Tx", NULL, "iDisp3_out"},
 149         { "hifi2", NULL, "iDisp2 Tx"},
 150         { "iDisp2 Tx", NULL, "iDisp2_out"},
 151         { "hifi1", NULL, "iDisp1 Tx"},
 152         { "iDisp1 Tx", NULL, "iDisp1_out"},
 153
 154         { "Headphone Jack", NULL, "Platform Clock" },
 155         { "Headset Mic", NULL, "Platform Clock" },
 156 };
 157
 158 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 159         struct snd_pcm_hw_params *params)
 160 {
 161         struct snd_interval *rate = hw_param_interval(params,
 162                         SNDRV_PCM_HW_PARAM_RATE);
 163         struct snd_interval *channels = hw_param_interval(params,
 164                         SNDRV_PCM_HW_PARAM_CHANNELS);
 165         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 166
 167         /* The ADSP will covert the FE rate to 48k, stereo */
 168         rate->min = rate->max = 48000;
 169         channels->min = channels->max = 2;
 170
 171         /* set SSP0 to 24 bit */
 172         snd_mask_none(fmt);
 173         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 174
 175         return 0;
 176 }
 177
 178 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 179 {
 180         int ret;
 181         struct snd_soc_codec *codec = rtd->codec;
 182
 183         /*
 184          * Headset buttons map to the google Reference headset.
 185          * These can be configured by userspace.
 186          */
 187         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 188                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 189                         SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 190                         NULL, 0);
 191         if (ret) {
 192                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 193                 return ret;
 194         }
 195
 196         nau8825_enable_jack_detect(codec, &skylake_headset);
 197
 198         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 199
 200         return ret;
 201 }
 202
 203 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 204 {
 205         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 206         struct snd_soc_dai *dai = rtd->codec_dai;
 207         struct skl_hdmi_pcm *pcm;
 208
 209         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 210         if (!pcm)
 211                 return -ENOMEM;
 212
 213         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
 214         pcm->codec_dai = dai;
 215
 216         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 217
 218         return 0;
 219 }
 220
 221 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 222 {
 223         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 224         struct snd_soc_dai *dai = rtd->codec_dai;
 225         struct skl_hdmi_pcm *pcm;
 226
 227         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 228         if (!pcm)
 229                 return -ENOMEM;
 230
 231         pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
 232         pcm->codec_dai = dai;
 233
 234         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 235
 236         return 0;
 237 }
 238
 239 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 240 {
 241         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 242         struct snd_soc_dai *dai = rtd->codec_dai;
 243         struct skl_hdmi_pcm *pcm;
 244
 245         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 246         if (!pcm)
 247                 return -ENOMEM;
 248
 249         pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
 250         pcm->codec_dai = dai;
 251
 252         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 253
 254         return 0;
 255 }
 256
 257 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 258 {
 259         struct snd_soc_dapm_context *dapm;
 260         struct snd_soc_component *component = rtd->cpu_dai->component;
 261
 262         dapm = snd_soc_component_get_dapm(component);
 263         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 264
 265         return 0;
 266 }
 267
 268 static unsigned int rates[] = {
 269         48000,
 270 };
 271
 272 static struct snd_pcm_hw_constraint_list constraints_rates = {
 273         .count = ARRAY_SIZE(rates),
 274         .list  = rates,
 275         .mask = 0,
 276 };
 277
 278 static unsigned int channels[] = {
 279         2,
 280 };
 281
 282 static struct snd_pcm_hw_constraint_list constraints_channels = {
 283         .count = ARRAY_SIZE(channels),
 284         .list = channels,
 285         .mask = 0,
 286 };
 287
 288 static int skl_fe_startup(struct snd_pcm_substream *substream)
 289 {
 290         struct snd_pcm_runtime *runtime = substream->runtime;
 291
 292         /*
 293          * On this platform for PCM device we support,
 294          * 48Khz
 295          * stereo
 296          * 16 bit audio
 297          */
 298
 299         runtime->hw.channels_max = 2;
 300         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 301                                            &constraints_channels);
 302
 303         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 304         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 305
 306         snd_pcm_hw_constraint_list(runtime, 0,
 307                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 308
 309         return 0;
 310 }
 311
 312 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 313         .startup = skl_fe_startup,
 314 };
 315
 316 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 317         struct snd_pcm_hw_params *params)
 318 {
 319         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 320         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 321         int ret;
 322
 323         ret = snd_soc_dai_set_sysclk(codec_dai,
 324                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 325
 326         if (ret < 0)
 327                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 328
 329         return ret;
 330 }
 331
 332 static struct snd_soc_ops skylake_nau8825_ops = {
 333         .hw_params = skylake_nau8825_hw_params,
 334 };
 335
 336 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 337                 struct snd_pcm_hw_params *params)
 338 {
 339         struct snd_interval *channels = hw_param_interval(params,
 340                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 341
 342         if (params_channels(params) == 2)
 343                 channels->min = channels->max = 2;
 344         else
 345                 channels->min = channels->max = 4;
 346
 347         return 0;
 348 }
 349
 350 static unsigned int channels_dmic[] = {
 351         2, 4,
 352 };
 353
 354 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 355         .count = ARRAY_SIZE(channels_dmic),
 356         .list = channels_dmic,
 357         .mask = 0,
 358 };
 359
 360 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 361 {
 362         struct snd_pcm_runtime *runtime = substream->runtime;
 363
 364         runtime->hw.channels_max = 4;
 365         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 366                         &constraints_dmic_channels);
 367
 368         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 369                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 370 }
 371
 372 static struct snd_soc_ops skylake_dmic_ops = {
 373         .startup = skylake_dmic_startup,
 374 };
 375
 376 static unsigned int rates_16000[] = {
 377         16000,
 378 };
 379
 380 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 381         .count = ARRAY_SIZE(rates_16000),
 382         .list  = rates_16000,
 383 };
 384
 385 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 386 {
 387         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 388                                 SNDRV_PCM_HW_PARAM_RATE,
 389                                 &constraints_16000);
 390 }
 391
 392 static struct snd_soc_ops skylaye_refcap_ops = {
 393         .startup = skylake_refcap_startup,
 394 };
 395
 396 /* skylake digital audio interface glue - connects codec <--> CPU */
 397 static struct snd_soc_dai_link skylake_dais[] = {
 398         /* Front End DAI links */
 399         [SKL_DPCM_AUDIO_PB] = {
 400                 .name = "Skl Audio Port",
 401                 .stream_name = "Audio",
 402                 .cpu_dai_name = "System Pin",
 403                 .platform_name = "0000:00:1f.3",
 404                 .dynamic = 1,
 405                 .codec_name = "snd-soc-dummy",
 406                 .codec_dai_name = "snd-soc-dummy-dai",
 407                 .nonatomic = 1,
 408                 .init = skylake_nau8825_fe_init,
 409                 .trigger = {
 410                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 411                 .dpcm_playback = 1,
 412                 .ops = &skylake_nau8825_fe_ops,
 413         },
 414         [SKL_DPCM_AUDIO_CP] = {
 415                 .name = "Skl Audio Capture Port",
 416                 .stream_name = "Audio Record",
 417                 .cpu_dai_name = "System Pin",
 418                 .platform_name = "0000:00:1f.3",
 419                 .dynamic = 1,
 420                 .codec_name = "snd-soc-dummy",
 421                 .codec_dai_name = "snd-soc-dummy-dai",
 422                 .nonatomic = 1,
 423                 .trigger = {
 424                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 425                 .dpcm_capture = 1,
 426                 .ops = &skylake_nau8825_fe_ops,
 427         },
 428         [SKL_DPCM_AUDIO_REF_CP] = {
 429                 .name = "Skl Audio Reference cap",
 430                 .stream_name = "Wake on Voice",
 431                 .cpu_dai_name = "Reference Pin",
 432                 .codec_name = "snd-soc-dummy",
 433                 .codec_dai_name = "snd-soc-dummy-dai",
 434                 .platform_name = "0000:00:1f.3",
 435                 .init = NULL,
 436                 .dpcm_capture = 1,
 437                 .nonatomic = 1,
 438                 .dynamic = 1,
 439                 .ops = &skylaye_refcap_ops,
 440         },
 441         [SKL_DPCM_AUDIO_DMIC_CP] = {
 442                 .name = "Skl Audio DMIC cap",
 443                 .stream_name = "dmiccap",
 444                 .cpu_dai_name = "DMIC Pin",
 445                 .codec_name = "snd-soc-dummy",
 446                 .codec_dai_name = "snd-soc-dummy-dai",
 447                 .platform_name = "0000:00:1f.3",
 448                 .init = NULL,
 449                 .dpcm_capture = 1,
 450                 .nonatomic = 1,
 451                 .dynamic = 1,
 452                 .ops = &skylake_dmic_ops,
 453         },
 454         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 455                 .name = "Skl HDMI Port1",
 456                 .stream_name = "Hdmi1",
 457                 .cpu_dai_name = "HDMI1 Pin",
 458                 .codec_name = "snd-soc-dummy",
 459                 .codec_dai_name = "snd-soc-dummy-dai",
 460                 .platform_name = "0000:00:1f.3",
 461                 .dpcm_playback = 1,
 462                 .init = NULL,
 463                 .trigger = {
 464                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 465                 .nonatomic = 1,
 466                 .dynamic = 1,
 467         },
 468         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 469                 .name = "Skl HDMI Port2",
 470                 .stream_name = "Hdmi2",
 471                 .cpu_dai_name = "HDMI2 Pin",
 472                 .codec_name = "snd-soc-dummy",
 473                 .codec_dai_name = "snd-soc-dummy-dai",
 474                 .platform_name = "0000:00:1f.3",
 475                 .dpcm_playback = 1,
 476                 .init = NULL,
 477                 .trigger = {
 478                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 479                 .nonatomic = 1,
 480                 .dynamic = 1,
 481         },
 482         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 483                 .name = "Skl HDMI Port3",
 484                 .stream_name = "Hdmi3",
 485                 .cpu_dai_name = "HDMI3 Pin",
 486                 .codec_name = "snd-soc-dummy",
 487                 .codec_dai_name = "snd-soc-dummy-dai",
 488                 .platform_name = "0000:00:1f.3",
 489                 .trigger = {
 490                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 491                 .dpcm_playback = 1,
 492                 .init = NULL,
 493                 .nonatomic = 1,
 494                 .dynamic = 1,
 495         },
 496
 497         /* Back End DAI links */
 498         {
 499                 /* SSP0 - Codec */
 500                 .name = "SSP0-Codec",
 501                 .id = 0,
 502                 .cpu_dai_name = "SSP0 Pin",
 503                 .platform_name = "0000:00:1f.3",
 504                 .no_pcm = 1,
 505                 .codec_name = "MX98357A:00",
 506                 .codec_dai_name = SKL_MAXIM_CODEC_DAI,
 507                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 508                         SND_SOC_DAIFMT_NB_NF |
 509                         SND_SOC_DAIFMT_CBS_CFS,
 510                 .ignore_pmdown_time = 1,
 511                 .be_hw_params_fixup = skylake_ssp_fixup,
 512                 .dpcm_playback = 1,
 513         },
 514         {
 515                 /* SSP1 - Codec */
 516                 .name = "SSP1-Codec",
 517                 .id = 1,
 518                 .cpu_dai_name = "SSP1 Pin",
 519                 .platform_name = "0000:00:1f.3",
 520                 .no_pcm = 1,
 521                 .codec_name = "i2c-10508825:00",
 522                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 523                 .init = skylake_nau8825_codec_init,
 524                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 525                         SND_SOC_DAIFMT_CBS_CFS,
 526                 .ignore_pmdown_time = 1,
 527                 .be_hw_params_fixup = skylake_ssp_fixup,
 528                 .ops = &skylake_nau8825_ops,
 529                 .dpcm_playback = 1,
 530                 .dpcm_capture = 1,
 531         },
 532         {
 533                 .name = "dmic01",
 534                 .id = 2,
 535                 .cpu_dai_name = "DMIC01 Pin",
 536                 .codec_name = "dmic-codec",
 537                 .codec_dai_name = "dmic-hifi",
 538                 .platform_name = "0000:00:1f.3",
 539                 .be_hw_params_fixup = skylake_dmic_fixup,
 540                 .ignore_suspend = 1,
 541                 .dpcm_capture = 1,
 542                 .no_pcm = 1,
 543         },
 544         {
 545                 .name = "iDisp1",
 546                 .id = 3,
 547                 .cpu_dai_name = "iDisp1 Pin",
 548                 .codec_name = "ehdaudio0D2",
 549                 .codec_dai_name = "intel-hdmi-hifi1",
 550                 .platform_name = "0000:00:1f.3",
 551                 .dpcm_playback = 1,
 552                 .init = skylake_hdmi1_init,
 553                 .no_pcm = 1,
 554         },
 555         {
 556                 .name = "iDisp2",
 557                 .id = 4,
 558                 .cpu_dai_name = "iDisp2 Pin",
 559                 .codec_name = "ehdaudio0D2",
 560                 .codec_dai_name = "intel-hdmi-hifi2",
 561                 .platform_name = "0000:00:1f.3",
 562                 .init = skylake_hdmi2_init,
 563                 .dpcm_playback = 1,
 564                 .no_pcm = 1,
 565         },
 566         {
 567                 .name = "iDisp3",
 568                 .id = 5,
 569                 .cpu_dai_name = "iDisp3 Pin",
 570                 .codec_name = "ehdaudio0D2",
 571                 .codec_dai_name = "intel-hdmi-hifi3",
 572                 .platform_name = "0000:00:1f.3",
 573                 .init = skylake_hdmi3_init,
 574                 .dpcm_playback = 1,
 575                 .no_pcm = 1,
 576         },
 577 };
 578
 579 static int skylake_card_late_probe(struct snd_soc_card *card)
 580 {
 581         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
 582         struct skl_hdmi_pcm *pcm;
 583         int err;
 584
 585         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 586                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
 587                 if (err < 0)
 588                         return err;
 589         }
 590
 591         return 0;
 592 }
 593
 594 /* skylake audio machine driver for SPT + NAU88L25 */
 595 static struct snd_soc_card skylake_audio_card = {
 596         .name = "sklnau8825max",
 597         .owner = THIS_MODULE,
 598         .dai_link = skylake_dais,
 599         .num_links = ARRAY_SIZE(skylake_dais),
 600         .controls = skylake_controls,
 601         .num_controls = ARRAY_SIZE(skylake_controls),
 602         .dapm_widgets = skylake_widgets,
 603         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 604         .dapm_routes = skylake_map,
 605         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 606         .fully_routed = true,
 607         .late_probe = skylake_card_late_probe,
 608 };
 609
 610 static int skylake_audio_probe(struct platform_device *pdev)
 611 {
 612         struct skl_nau8825_private *ctx;
 613
 614         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 615         if (!ctx)
 616                 return -ENOMEM;
 617
 618         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 619
 620         skylake_audio_card.dev = &pdev->dev;
 621         snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
 622
 623         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 624 }
 625
 626 static struct platform_driver skylake_audio = {
 627         .probe = skylake_audio_probe,
 628         .driver = {
 629                 .name = "skl_nau88l25_max98357a_i2s",
 630                 .pm = &snd_soc_pm_ops,
 631         },
 632 };
 633
 634 module_platform_driver(skylake_audio)
 635
 636 /* Module information */
 637 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
 638 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
 639 MODULE_LICENSE("GPL v2");
 640 MODULE_ALIAS("platform:skl_nau88l25_max98357a_i2s");