sound/soc/intel/boards/bytcr_rt5640.c

   1 /*
   2  *  byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
   3  *
   4  *  Copyright (C) 2014 Intel Corp
   5  *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
   6  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; version 2 of the License.
  11  *
  12  *  This program is distributed in the hope that it will be useful, but
  13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  General Public License for more details.
  16  *
  17  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  18  */
  19
  20 #include <linux/i2c.h>
  21 #include <linux/init.h>
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/acpi.h>
  26 #include <linux/clk.h>
  27 #include <linux/device.h>
  28 #include <linux/dmi.h>
  29 #include <linux/input.h>
  30 #include <linux/slab.h>
  31 #include <asm/cpu_device_id.h>
  32 #include <asm/platform_sst_audio.h>
  33 #include <sound/pcm.h>
  34 #include <sound/pcm_params.h>
  35 #include <sound/soc.h>
  36 #include <sound/jack.h>
  37 #include <sound/soc-acpi.h>
  38 #include <dt-bindings/sound/rt5640.h>
  39 #include "../../codecs/rt5640.h"
  40 #include "../atom/sst-atom-controls.h"
  41 #include "../common/sst-dsp.h"
  42
  43 enum {
  44         BYT_RT5640_DMIC1_MAP,
  45         BYT_RT5640_DMIC2_MAP,
  46         BYT_RT5640_IN1_MAP,
  47         BYT_RT5640_IN3_MAP,
  48 };
  49
  50 enum {
  51         BYT_RT5640_JD_SRC_GPIO1         = (RT5640_JD_SRC_GPIO1 << 4),
  52         BYT_RT5640_JD_SRC_JD1_IN4P      = (RT5640_JD_SRC_JD1_IN4P << 4),
  53         BYT_RT5640_JD_SRC_JD2_IN4N      = (RT5640_JD_SRC_JD2_IN4N << 4),
  54         BYT_RT5640_JD_SRC_GPIO2         = (RT5640_JD_SRC_GPIO2 << 4),
  55         BYT_RT5640_JD_SRC_GPIO3         = (RT5640_JD_SRC_GPIO3 << 4),
  56         BYT_RT5640_JD_SRC_GPIO4         = (RT5640_JD_SRC_GPIO4 << 4),
  57 };
  58
  59 enum {
  60         BYT_RT5640_OVCD_TH_600UA        = (6 << 8),
  61         BYT_RT5640_OVCD_TH_1500UA       = (15 << 8),
  62         BYT_RT5640_OVCD_TH_2000UA       = (20 << 8),
  63 };
  64
  65 enum {
  66         BYT_RT5640_OVCD_SF_0P5          = (RT5640_OVCD_SF_0P5 << 13),
  67         BYT_RT5640_OVCD_SF_0P75         = (RT5640_OVCD_SF_0P75 << 13),
  68         BYT_RT5640_OVCD_SF_1P0          = (RT5640_OVCD_SF_1P0 << 13),
  69         BYT_RT5640_OVCD_SF_1P5          = (RT5640_OVCD_SF_1P5 << 13),
  70 };
  71
  72 #define BYT_RT5640_MAP(quirk)           ((quirk) &  GENMASK(3, 0))
  73 #define BYT_RT5640_JDSRC(quirk)         (((quirk) & GENMASK(7, 4)) >> 4)
  74 #define BYT_RT5640_OVCD_TH(quirk)       (((quirk) & GENMASK(12, 8)) >> 8)
  75 #define BYT_RT5640_OVCD_SF(quirk)       (((quirk) & GENMASK(14, 13)) >> 13)
  76 #define BYT_RT5640_JD_NOT_INV           BIT(16)
  77 #define BYT_RT5640_MONO_SPEAKER         BIT(17)
  78 #define BYT_RT5640_DIFF_MIC             BIT(18) /* default is single-ended */
  79 #define BYT_RT5640_SSP2_AIF2            BIT(19) /* default is using AIF1  */
  80 #define BYT_RT5640_SSP0_AIF1            BIT(20)
  81 #define BYT_RT5640_SSP0_AIF2            BIT(21)
  82 #define BYT_RT5640_MCLK_EN              BIT(22)
  83 #define BYT_RT5640_MCLK_25MHZ           BIT(23)
  84
  85 #define BYTCR_INPUT_DEFAULTS                            \
  86         (BYT_RT5640_IN3_MAP |                           \
  87          BYT_RT5640_JD_SRC_JD1_IN4P |                   \
  88          BYT_RT5640_OVCD_TH_2000UA |                    \
  89          BYT_RT5640_OVCD_SF_0P75 |                      \
  90          BYT_RT5640_DIFF_MIC)
  91
  92 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */
  93 #define MAX_NO_PROPS 6
  94
  95 struct byt_rt5640_private {
  96         struct snd_soc_jack jack;
  97         struct clk *mclk;
  98 };
  99 static bool is_bytcr;
 100
 101 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
 102 static unsigned int quirk_override;
 103 module_param_named(quirk, quirk_override, uint, 0444);
 104 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
 105
 106 static void log_quirks(struct device *dev)
 107 {
 108         int map;
 109         bool has_mclk = false;
 110         bool has_ssp0 = false;
 111         bool has_ssp0_aif1 = false;
 112         bool has_ssp0_aif2 = false;
 113         bool has_ssp2_aif2 = false;
 114
 115         map = BYT_RT5640_MAP(byt_rt5640_quirk);
 116         switch (map) {
 117         case BYT_RT5640_DMIC1_MAP:
 118                 dev_info(dev, "quirk DMIC1_MAP enabled\n");
 119                 break;
 120         case BYT_RT5640_DMIC2_MAP:
 121                 dev_info(dev, "quirk DMIC2_MAP enabled\n");
 122                 break;
 123         case BYT_RT5640_IN1_MAP:
 124                 dev_info(dev, "quirk IN1_MAP enabled\n");
 125                 break;
 126         case BYT_RT5640_IN3_MAP:
 127                 dev_info(dev, "quirk IN3_MAP enabled\n");
 128                 break;
 129         default:
 130                 dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
 131                 break;
 132         }
 133         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 134                 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
 135                          BYT_RT5640_JDSRC(byt_rt5640_quirk));
 136                 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
 137                          BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
 138                 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
 139                          BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
 140         }
 141         if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
 142                 dev_info(dev, "quirk JD_NOT_INV enabled\n");
 143         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
 144                 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
 145         if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 146                 dev_info(dev, "quirk DIFF_MIC enabled\n");
 147         if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 148                 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
 149                 has_ssp0 = true;
 150                 has_ssp0_aif1 = true;
 151         }
 152         if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 153                 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
 154                 has_ssp0 = true;
 155                 has_ssp0_aif2 = true;
 156         }
 157         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 158                 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
 159                 has_ssp2_aif2 = true;
 160         }
 161         if (is_bytcr && !has_ssp0)
 162                 dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
 163         if (has_ssp0_aif1 && has_ssp0_aif2)
 164                 dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
 165         if (has_ssp0 && has_ssp2_aif2)
 166                 dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
 167
 168         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 169                 dev_info(dev, "quirk MCLK_EN enabled\n");
 170                 has_mclk = true;
 171         }
 172         if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
 173                 if (has_mclk)
 174                         dev_info(dev, "quirk MCLK_25MHZ enabled\n");
 175                 else
 176                         dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
 177         }
 178 }
 179
 180 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
 181                                               int rate)
 182 {
 183         int ret;
 184
 185         /* Configure the PLL before selecting it */
 186         if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
 187                 /* use bitclock as PLL input */
 188                 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 189                     (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 190                         /* 2x16 bit slots on SSP0 */
 191                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 192                                                   RT5640_PLL1_S_BCLK1,
 193                                                   rate * 32, rate * 512);
 194                 } else {
 195                         /* 2x15 bit slots on SSP2 */
 196                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 197                                                   RT5640_PLL1_S_BCLK1,
 198                                                   rate * 50, rate * 512);
 199                 }
 200         } else {
 201                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
 202                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 203                                                   RT5640_PLL1_S_MCLK,
 204                                                   25000000, rate * 512);
 205                 } else {
 206                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 207                                                   RT5640_PLL1_S_MCLK,
 208                                                   19200000, rate * 512);
 209                 }
 210         }
 211
 212         if (ret < 0) {
 213                 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
 214                 return ret;
 215         }
 216
 217         ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
 218                                      rate * 512, SND_SOC_CLOCK_IN);
 219         if (ret < 0) {
 220                 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
 221                 return ret;
 222         }
 223
 224         return 0;
 225 }
 226
 227 #define BYT_CODEC_DAI1  "rt5640-aif1"
 228 #define BYT_CODEC_DAI2  "rt5640-aif2"
 229
 230 static int platform_clock_control(struct snd_soc_dapm_widget *w,
 231                                   struct snd_kcontrol *k, int  event)
 232 {
 233         struct snd_soc_dapm_context *dapm = w->dapm;
 234         struct snd_soc_card *card = dapm->card;
 235         struct snd_soc_dai *codec_dai;
 236         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
 237         int ret;
 238
 239         codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
 240         if (!codec_dai)
 241                 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
 242
 243         if (!codec_dai) {
 244                 dev_err(card->dev,
 245                         "Codec dai not found; Unable to set platform clock\n");
 246                 return -EIO;
 247         }
 248
 249         if (SND_SOC_DAPM_EVENT_ON(event)) {
 250                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 251                         ret = clk_prepare_enable(priv->mclk);
 252                         if (ret < 0) {
 253                                 dev_err(card->dev,
 254                                         "could not configure MCLK state\n");
 255                                 return ret;
 256                         }
 257                 }
 258                 ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000);
 259         } else {
 260                 /*
 261                  * Set codec clock source to internal clock before
 262                  * turning off the platform clock. Codec needs clock
 263                  * for Jack detection and button press
 264                  */
 265                 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
 266                                              48000 * 512,
 267                                              SND_SOC_CLOCK_IN);
 268                 if (!ret) {
 269                         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
 270                                 clk_disable_unprepare(priv->mclk);
 271                 }
 272         }
 273
 274         if (ret < 0) {
 275                 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
 276                 return ret;
 277         }
 278
 279         return 0;
 280 }
 281
 282 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
 283         SND_SOC_DAPM_HP("Headphone", NULL),
 284         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 285         SND_SOC_DAPM_MIC("Internal Mic", NULL),
 286         SND_SOC_DAPM_SPK("Speaker", NULL),
 287         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 288                             platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 289                             SND_SOC_DAPM_POST_PMD),
 290
 291 };
 292
 293 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
 294         {"Headphone", NULL, "Platform Clock"},
 295         {"Headset Mic", NULL, "Platform Clock"},
 296         {"Headset Mic", NULL, "MICBIAS1"},
 297         {"IN2P", NULL, "Headset Mic"},
 298         {"Headphone", NULL, "HPOL"},
 299         {"Headphone", NULL, "HPOR"},
 300 };
 301
 302 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
 303         {"Internal Mic", NULL, "Platform Clock"},
 304         {"DMIC1", NULL, "Internal Mic"},
 305 };
 306
 307 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
 308         {"Internal Mic", NULL, "Platform Clock"},
 309         {"DMIC2", NULL, "Internal Mic"},
 310 };
 311
 312 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
 313         {"Internal Mic", NULL, "Platform Clock"},
 314         {"Internal Mic", NULL, "MICBIAS1"},
 315         {"IN1P", NULL, "Internal Mic"},
 316 };
 317
 318 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
 319         {"Internal Mic", NULL, "Platform Clock"},
 320         {"Internal Mic", NULL, "MICBIAS1"},
 321         {"IN3P", NULL, "Internal Mic"},
 322 };
 323
 324 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
 325         {"ssp2 Tx", NULL, "codec_out0"},
 326         {"ssp2 Tx", NULL, "codec_out1"},
 327         {"codec_in0", NULL, "ssp2 Rx"},
 328         {"codec_in1", NULL, "ssp2 Rx"},
 329
 330         {"AIF1 Playback", NULL, "ssp2 Tx"},
 331         {"ssp2 Rx", NULL, "AIF1 Capture"},
 332 };
 333
 334 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
 335         {"ssp2 Tx", NULL, "codec_out0"},
 336         {"ssp2 Tx", NULL, "codec_out1"},
 337         {"codec_in0", NULL, "ssp2 Rx"},
 338         {"codec_in1", NULL, "ssp2 Rx"},
 339
 340         {"AIF2 Playback", NULL, "ssp2 Tx"},
 341         {"ssp2 Rx", NULL, "AIF2 Capture"},
 342 };
 343
 344 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
 345         {"ssp0 Tx", NULL, "modem_out"},
 346         {"modem_in", NULL, "ssp0 Rx"},
 347
 348         {"AIF1 Playback", NULL, "ssp0 Tx"},
 349         {"ssp0 Rx", NULL, "AIF1 Capture"},
 350 };
 351
 352 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
 353         {"ssp0 Tx", NULL, "modem_out"},
 354         {"modem_in", NULL, "ssp0 Rx"},
 355
 356         {"AIF2 Playback", NULL, "ssp0 Tx"},
 357         {"ssp0 Rx", NULL, "AIF2 Capture"},
 358 };
 359
 360 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
 361         {"Speaker", NULL, "Platform Clock"},
 362         {"Speaker", NULL, "SPOLP"},
 363         {"Speaker", NULL, "SPOLN"},
 364         {"Speaker", NULL, "SPORP"},
 365         {"Speaker", NULL, "SPORN"},
 366 };
 367
 368 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
 369         {"Speaker", NULL, "Platform Clock"},
 370         {"Speaker", NULL, "SPOLP"},
 371         {"Speaker", NULL, "SPOLN"},
 372 };
 373
 374 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
 375         SOC_DAPM_PIN_SWITCH("Headphone"),
 376         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 377         SOC_DAPM_PIN_SWITCH("Internal Mic"),
 378         SOC_DAPM_PIN_SWITCH("Speaker"),
 379 };
 380
 381 static struct snd_soc_jack_pin rt5640_pins[] = {
 382         {
 383                 .pin    = "Headphone",
 384                 .mask   = SND_JACK_HEADPHONE,
 385         },
 386         {
 387                 .pin    = "Headset Mic",
 388                 .mask   = SND_JACK_MICROPHONE,
 389         },
 390 };
 391
 392 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
 393                                         struct snd_pcm_hw_params *params)
 394 {
 395         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 396         struct snd_soc_dai *dai = rtd->codec_dai;
 397
 398         return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params));
 399 }
 400
 401 /* Please keep this list alphabetically sorted */
 402 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 403         {       /* Acer Iconia Tab 8 W1-810 */
 404                 .matches = {
 405                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 406                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"),
 407                 },
 408                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 409                                         BYT_RT5640_JD_SRC_JD1_IN4P |
 410                                         BYT_RT5640_OVCD_TH_1500UA |
 411                                         BYT_RT5640_OVCD_SF_0P75 |
 412                                         BYT_RT5640_SSP0_AIF1 |
 413                                         BYT_RT5640_MCLK_EN),
 414         },
 415         {       /* Acer One 10 S1002 */
 416                 .matches = {
 417                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 418                         DMI_MATCH(DMI_PRODUCT_NAME, "One S1002"),
 419                 },
 420                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 421                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 422                                         BYT_RT5640_OVCD_TH_2000UA |
 423                                         BYT_RT5640_OVCD_SF_0P75 |
 424                                         BYT_RT5640_DIFF_MIC |
 425                                         BYT_RT5640_SSP0_AIF2 |
 426                                         BYT_RT5640_MCLK_EN),
 427         },
 428         {
 429                 .matches = {
 430                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 431                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
 432                 },
 433                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 434                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 435                                         BYT_RT5640_OVCD_TH_2000UA |
 436                                         BYT_RT5640_OVCD_SF_0P75 |
 437                                         BYT_RT5640_SSP0_AIF1 |
 438                                         BYT_RT5640_MCLK_EN),
 439         },
 440         {
 441                 .matches = {
 442                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
 443                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"),
 444                 },
 445                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 446                                         BYT_RT5640_MONO_SPEAKER |
 447                                         BYT_RT5640_SSP0_AIF1 |
 448                                         BYT_RT5640_MCLK_EN),
 449         },
 450         {
 451                 .matches = {
 452                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
 453                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 140 CESIUM"),
 454                 },
 455                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 456                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 457                                         BYT_RT5640_OVCD_TH_2000UA |
 458                                         BYT_RT5640_OVCD_SF_0P75 |
 459                                         BYT_RT5640_SSP0_AIF1 |
 460                                         BYT_RT5640_MCLK_EN),
 461         },
 462         {
 463                 .matches = {
 464                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 465                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
 466                 },
 467                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 468                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 469                                         BYT_RT5640_OVCD_TH_2000UA |
 470                                         BYT_RT5640_OVCD_SF_0P75 |
 471                                         BYT_RT5640_MCLK_EN),
 472         },
 473         {
 474                 .matches = {
 475                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 476                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
 477                 },
 478                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 479                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 480                                         BYT_RT5640_OVCD_TH_2000UA |
 481                                         BYT_RT5640_OVCD_SF_0P75 |
 482                                         BYT_RT5640_MONO_SPEAKER |
 483                                         BYT_RT5640_DIFF_MIC |
 484                                         BYT_RT5640_SSP0_AIF2 |
 485                                         BYT_RT5640_MCLK_EN),
 486         },
 487         {       /* Chuwi Vi8 (CWI506) */
 488                 .matches = {
 489                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
 490                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
 491                         /* The above are too generic, also match BIOS info */
 492                         DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
 493                 },
 494                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 495                                         BYT_RT5640_MONO_SPEAKER |
 496                                         BYT_RT5640_SSP0_AIF1 |
 497                                         BYT_RT5640_MCLK_EN),
 498         },
 499         {
 500                 /* Chuwi Vi10 (CWI505) */
 501                 .matches = {
 502                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 503                         DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
 504                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 505                         DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
 506                 },
 507                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 508                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 509                                         BYT_RT5640_OVCD_TH_2000UA |
 510                                         BYT_RT5640_OVCD_SF_0P75 |
 511                                         BYT_RT5640_DIFF_MIC |
 512                                         BYT_RT5640_SSP0_AIF1 |
 513                                         BYT_RT5640_MCLK_EN),
 514         },
 515         {
 516                 /* Chuwi Hi8 (CWI509) */
 517                 .matches = {
 518                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 519                         DMI_MATCH(DMI_BOARD_NAME, "BYT-PA03C"),
 520                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 521                         DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
 522                 },
 523                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 524                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 525                                         BYT_RT5640_OVCD_TH_2000UA |
 526                                         BYT_RT5640_OVCD_SF_0P75 |
 527                                         BYT_RT5640_MONO_SPEAKER |
 528                                         BYT_RT5640_DIFF_MIC |
 529                                         BYT_RT5640_SSP0_AIF1 |
 530                                         BYT_RT5640_MCLK_EN),
 531         },
 532         {
 533                 .matches = {
 534                         DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
 535                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
 536                 },
 537                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP),
 538         },
 539         {       /* Connect Tablet 9 */
 540                 .matches = {
 541                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"),
 542                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
 543                 },
 544                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 545                                         BYT_RT5640_MONO_SPEAKER |
 546                                         BYT_RT5640_SSP0_AIF1 |
 547                                         BYT_RT5640_MCLK_EN),
 548         },
 549         {
 550                 .matches = {
 551                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 552                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
 553                 },
 554                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 555                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 556                                         BYT_RT5640_OVCD_TH_2000UA |
 557                                         BYT_RT5640_OVCD_SF_0P75 |
 558                                         BYT_RT5640_MONO_SPEAKER |
 559                                         BYT_RT5640_MCLK_EN),
 560         },
 561         {       /* Estar Beauty HD MID 7316R */
 562                 .matches = {
 563                         DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
 564                         DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"),
 565                 },
 566                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 567                                         BYT_RT5640_MONO_SPEAKER |
 568                                         BYT_RT5640_SSP0_AIF1 |
 569                                         BYT_RT5640_MCLK_EN),
 570         },
 571         {       /* Glavey TM800A550L */
 572                 .matches = {
 573                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 574                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 575                         /* Above strings are too generic, also match on BIOS version */
 576                         DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
 577                 },
 578                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 579                                         BYT_RT5640_SSP0_AIF1 |
 580                                         BYT_RT5640_MCLK_EN),
 581         },
 582         {
 583                 .matches = {
 584                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 585                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
 586                 },
 587                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 588                                         BYT_RT5640_MCLK_EN),
 589         },
 590         {       /* HP Pavilion x2 10-n000nd */
 591                 .matches = {
 592                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 593                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
 594                 },
 595                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 596                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 597                                         BYT_RT5640_OVCD_TH_1500UA |
 598                                         BYT_RT5640_OVCD_SF_0P75 |
 599                                         BYT_RT5640_SSP0_AIF1 |
 600                                         BYT_RT5640_MCLK_EN),
 601         },
 602         {       /* HP Stream 7 */
 603                 .matches = {
 604                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 605                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"),
 606                 },
 607                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 608                                         BYT_RT5640_MONO_SPEAKER |
 609                                         BYT_RT5640_JD_NOT_INV |
 610                                         BYT_RT5640_SSP0_AIF1 |
 611                                         BYT_RT5640_MCLK_EN),
 612         },
 613         {       /* I.T.Works TW891 */
 614                 .matches = {
 615                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 616                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
 617                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
 618                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
 619                 },
 620                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 621                                         BYT_RT5640_MONO_SPEAKER |
 622                                         BYT_RT5640_SSP0_AIF1 |
 623                                         BYT_RT5640_MCLK_EN),
 624         },
 625         {       /* Lamina I8270 / T701BR.SE */
 626                 .matches = {
 627                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"),
 628                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"),
 629                 },
 630                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 631                                         BYT_RT5640_MONO_SPEAKER |
 632                                         BYT_RT5640_JD_NOT_INV |
 633                                         BYT_RT5640_SSP0_AIF1 |
 634                                         BYT_RT5640_MCLK_EN),
 635         },
 636         {       /* Lenovo Miix 2 8 */
 637                 .matches = {
 638                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 639                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"),
 640                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"),
 641                 },
 642                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 643                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 644                                         BYT_RT5640_OVCD_TH_2000UA |
 645                                         BYT_RT5640_OVCD_SF_0P75 |
 646                                         BYT_RT5640_MONO_SPEAKER |
 647                                         BYT_RT5640_MCLK_EN),
 648         },
 649         {       /* Lenovo Miix 3-830 */
 650                 .matches = {
 651                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 652                         DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 3-830"),
 653                 },
 654                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 655                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 656                                         BYT_RT5640_OVCD_TH_2000UA |
 657                                         BYT_RT5640_OVCD_SF_0P75 |
 658                                         BYT_RT5640_MONO_SPEAKER |
 659                                         BYT_RT5640_DIFF_MIC |
 660                                         BYT_RT5640_SSP0_AIF1 |
 661                                         BYT_RT5640_MCLK_EN),
 662         },
 663         {       /* Linx Linx7 tablet */
 664                 .matches = {
 665                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"),
 666                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"),
 667                 },
 668                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 669                                         BYT_RT5640_MONO_SPEAKER |
 670                                         BYT_RT5640_JD_NOT_INV |
 671                                         BYT_RT5640_SSP0_AIF1 |
 672                                         BYT_RT5640_MCLK_EN),
 673         },
 674         {       /* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */
 675                 .matches = {
 676                         DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
 677                         DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"),
 678                 },
 679                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 680                                         BYT_RT5640_MONO_SPEAKER |
 681                                         BYT_RT5640_SSP0_AIF1 |
 682                                         BYT_RT5640_MCLK_EN),
 683         },
 684         {
 685                 /* MPMAN MPWIN895CL */
 686                 .matches = {
 687                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MPMAN"),
 688                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"),
 689                 },
 690                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 691                                         BYT_RT5640_MONO_SPEAKER |
 692                                         BYT_RT5640_SSP0_AIF1 |
 693                                         BYT_RT5640_MCLK_EN),
 694         },
 695         {       /* MSI S100 tablet */
 696                 .matches = {
 697                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
 698                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
 699                 },
 700                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 701                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 702                                         BYT_RT5640_OVCD_TH_2000UA |
 703                                         BYT_RT5640_OVCD_SF_0P75 |
 704                                         BYT_RT5640_MONO_SPEAKER |
 705                                         BYT_RT5640_DIFF_MIC |
 706                                         BYT_RT5640_MCLK_EN),
 707         },
 708         {       /* Nuvison/TMax TM800W560 */
 709                 .matches = {
 710                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
 711                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
 712                 },
 713                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 714                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 715                                         BYT_RT5640_OVCD_TH_2000UA |
 716                                         BYT_RT5640_OVCD_SF_0P75 |
 717                                         BYT_RT5640_JD_NOT_INV |
 718                                         BYT_RT5640_DIFF_MIC |
 719                                         BYT_RT5640_SSP0_AIF1 |
 720                                         BYT_RT5640_MCLK_EN),
 721         },
 722         {       /* Onda v975w */
 723                 .matches = {
 724                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 725                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 726                         /* The above are too generic, also match BIOS info */
 727                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"),
 728                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"),
 729                 },
 730                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 731                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 732                                         BYT_RT5640_OVCD_TH_2000UA |
 733                                         BYT_RT5640_OVCD_SF_0P75 |
 734                                         BYT_RT5640_DIFF_MIC |
 735                                         BYT_RT5640_MCLK_EN),
 736         },
 737         {       /* Pipo W4 */
 738                 .matches = {
 739                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 740                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 741                         /* The above are too generic, also match BIOS info */
 742                         DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
 743                 },
 744                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 745                                         BYT_RT5640_MONO_SPEAKER |
 746                                         BYT_RT5640_SSP0_AIF1 |
 747                                         BYT_RT5640_MCLK_EN),
 748         },
 749         {       /* Point of View Mobii TAB-P800W (V2.0) */
 750                 .matches = {
 751                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 752                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 753                         /* The above are too generic, also match BIOS info */
 754                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
 755                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
 756                 },
 757                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 758                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 759                                         BYT_RT5640_OVCD_TH_2000UA |
 760                                         BYT_RT5640_OVCD_SF_0P75 |
 761                                         BYT_RT5640_MONO_SPEAKER |
 762                                         BYT_RT5640_DIFF_MIC |
 763                                         BYT_RT5640_SSP0_AIF2 |
 764                                         BYT_RT5640_MCLK_EN),
 765         },
 766         {       /* Point of View Mobii TAB-P800W (V2.1) */
 767                 .matches = {
 768                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 769                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 770                         /* The above are too generic, also match BIOS info */
 771                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
 772                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
 773                 },
 774                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 775                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 776                                         BYT_RT5640_OVCD_TH_2000UA |
 777                                         BYT_RT5640_OVCD_SF_0P75 |
 778                                         BYT_RT5640_MONO_SPEAKER |
 779                                         BYT_RT5640_DIFF_MIC |
 780                                         BYT_RT5640_SSP0_AIF2 |
 781                                         BYT_RT5640_MCLK_EN),
 782         },
 783         {
 784                 /* Teclast X89 */
 785                 .matches = {
 786                         DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
 787                         DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
 788                 },
 789                 .driver_data = (void *)(BYT_RT5640_IN3_MAP |
 790                                         BYT_RT5640_JD_SRC_JD1_IN4P |
 791                                         BYT_RT5640_OVCD_TH_2000UA |
 792                                         BYT_RT5640_OVCD_SF_1P0 |
 793                                         BYT_RT5640_SSP0_AIF1 |
 794                                         BYT_RT5640_MCLK_EN),
 795         },
 796         {       /* Toshiba Satellite Click Mini L9W-B */
 797                 .matches = {
 798                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 799                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
 800                 },
 801                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 802                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 803                                         BYT_RT5640_OVCD_TH_1500UA |
 804                                         BYT_RT5640_OVCD_SF_0P75 |
 805                                         BYT_RT5640_SSP0_AIF1 |
 806                                         BYT_RT5640_MCLK_EN),
 807         },
 808         {       /* Toshiba Encore WT8-A */
 809                 .matches = {
 810                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 811                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT8-A"),
 812                 },
 813                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 814                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 815                                         BYT_RT5640_OVCD_TH_2000UA |
 816                                         BYT_RT5640_OVCD_SF_0P75 |
 817                                         BYT_RT5640_JD_NOT_INV |
 818                                         BYT_RT5640_MCLK_EN),
 819         },
 820         {       /* Toshiba Encore WT10-A */
 821                 .matches = {
 822                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 823                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A-103"),
 824                 },
 825                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 826                                         BYT_RT5640_JD_SRC_JD1_IN4P |
 827                                         BYT_RT5640_OVCD_TH_2000UA |
 828                                         BYT_RT5640_OVCD_SF_0P75 |
 829                                         BYT_RT5640_SSP0_AIF2 |
 830                                         BYT_RT5640_MCLK_EN),
 831         },
 832         {       /* Voyo Winpad A15 */
 833                 .matches = {
 834                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 835                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 836                         /* Above strings are too generic, also match on BIOS date */
 837                         DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
 838                 },
 839                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 840                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 841                                         BYT_RT5640_OVCD_TH_2000UA |
 842                                         BYT_RT5640_OVCD_SF_0P75 |
 843                                         BYT_RT5640_DIFF_MIC |
 844                                         BYT_RT5640_MCLK_EN),
 845         },
 846         {       /* Catch-all for generic Insyde tablets, must be last */
 847                 .matches = {
 848                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 849                 },
 850                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 851                                         BYT_RT5640_MCLK_EN |
 852                                         BYT_RT5640_SSP0_AIF1),
 853
 854         },
 855         {}
 856 };
 857
 858 /*
 859  * Note this MUST be called before snd_soc_register_card(), so that the props
 860  * are in place before the codec component driver's probe function parses them.
 861  */
 862 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
 863 {
 864         struct property_entry props[MAX_NO_PROPS] = {};
 865         struct device *i2c_dev;
 866         int ret, cnt = 0;
 867
 868         i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
 869         if (!i2c_dev)
 870                 return -EPROBE_DEFER;
 871
 872         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 873         case BYT_RT5640_DMIC1_MAP:
 874                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
 875                                                   RT5640_DMIC1_DATA_PIN_IN1P);
 876                 break;
 877         case BYT_RT5640_DMIC2_MAP:
 878                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
 879                                                   RT5640_DMIC2_DATA_PIN_IN1N);
 880                 break;
 881         case BYT_RT5640_IN1_MAP:
 882                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 883                         props[cnt++] =
 884                                 PROPERTY_ENTRY_BOOL("realtek,in1-differential");
 885                 break;
 886         case BYT_RT5640_IN3_MAP:
 887                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 888                         props[cnt++] =
 889                                 PROPERTY_ENTRY_BOOL("realtek,in3-differential");
 890                 break;
 891         }
 892
 893         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 894                 props[cnt++] = PROPERTY_ENTRY_U32(
 895                                     "realtek,jack-detect-source",
 896                                     BYT_RT5640_JDSRC(byt_rt5640_quirk));
 897
 898                 props[cnt++] = PROPERTY_ENTRY_U32(
 899                                     "realtek,over-current-threshold-microamp",
 900                                     BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
 901
 902                 props[cnt++] = PROPERTY_ENTRY_U32(
 903                                     "realtek,over-current-scale-factor",
 904                                     BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
 905         }
 906
 907         if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
 908                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
 909
 910         ret = device_add_properties(i2c_dev, props);
 911         put_device(i2c_dev);
 912
 913         return ret;
 914 }
 915
 916 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
 917 {
 918         struct snd_soc_card *card = runtime->card;
 919         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
 920         struct snd_soc_component *component = runtime->codec_dai->component;
 921         const struct snd_soc_dapm_route *custom_map;
 922         int num_routes;
 923         int ret;
 924
 925         card->dapm.idle_bias_off = true;
 926
 927         /* Start with RC clk for jack-detect (we disable MCLK below) */
 928         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
 929                 snd_soc_component_update_bits(component, RT5640_GLB_CLK,
 930                         RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
 931
 932         rt5640_sel_asrc_clk_src(component,
 933                                 RT5640_DA_STEREO_FILTER |
 934                                 RT5640_DA_MONO_L_FILTER |
 935                                 RT5640_DA_MONO_R_FILTER |
 936                                 RT5640_AD_STEREO_FILTER |
 937                                 RT5640_AD_MONO_L_FILTER |
 938                                 RT5640_AD_MONO_R_FILTER,
 939                                 RT5640_CLK_SEL_ASRC);
 940
 941         ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
 942                                         ARRAY_SIZE(byt_rt5640_controls));
 943         if (ret) {
 944                 dev_err(card->dev, "unable to add card controls\n");
 945                 return ret;
 946         }
 947
 948         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 949         case BYT_RT5640_IN1_MAP:
 950                 custom_map = byt_rt5640_intmic_in1_map;
 951                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
 952                 break;
 953         case BYT_RT5640_IN3_MAP:
 954                 custom_map = byt_rt5640_intmic_in3_map;
 955                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
 956                 break;
 957         case BYT_RT5640_DMIC2_MAP:
 958                 custom_map = byt_rt5640_intmic_dmic2_map;
 959                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
 960                 break;
 961         default:
 962                 custom_map = byt_rt5640_intmic_dmic1_map;
 963                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
 964         }
 965
 966         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
 967         if (ret)
 968                 return ret;
 969
 970         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 971                 ret = snd_soc_dapm_add_routes(&card->dapm,
 972                                         byt_rt5640_ssp2_aif2_map,
 973                                         ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
 974         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 975                 ret = snd_soc_dapm_add_routes(&card->dapm,
 976                                         byt_rt5640_ssp0_aif1_map,
 977                                         ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
 978         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 979                 ret = snd_soc_dapm_add_routes(&card->dapm,
 980                                         byt_rt5640_ssp0_aif2_map,
 981                                         ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
 982         } else {
 983                 ret = snd_soc_dapm_add_routes(&card->dapm,
 984                                         byt_rt5640_ssp2_aif1_map,
 985                                         ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
 986         }
 987         if (ret)
 988                 return ret;
 989
 990         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
 991                 ret = snd_soc_dapm_add_routes(&card->dapm,
 992                                         byt_rt5640_mono_spk_map,
 993                                         ARRAY_SIZE(byt_rt5640_mono_spk_map));
 994         } else {
 995                 ret = snd_soc_dapm_add_routes(&card->dapm,
 996                                         byt_rt5640_stereo_spk_map,
 997                                         ARRAY_SIZE(byt_rt5640_stereo_spk_map));
 998         }
 999         if (ret)
1000                 return ret;
1001
1002         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
1003         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
1004
1005         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1006                 /*
1007                  * The firmware might enable the clock at
1008                  * boot (this information may or may not
1009                  * be reflected in the enable clock register).
1010                  * To change the rate we must disable the clock
1011                  * first to cover these cases. Due to common
1012                  * clock framework restrictions that do not allow
1013                  * to disable a clock that has not been enabled,
1014                  * we need to enable the clock first.
1015                  */
1016                 ret = clk_prepare_enable(priv->mclk);
1017                 if (!ret)
1018                         clk_disable_unprepare(priv->mclk);
1019
1020                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
1021                         ret = clk_set_rate(priv->mclk, 25000000);
1022                 else
1023                         ret = clk_set_rate(priv->mclk, 19200000);
1024
1025                 if (ret) {
1026                         dev_err(card->dev, "unable to set MCLK rate\n");
1027                         return ret;
1028                 }
1029         }
1030
1031         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
1032                 ret = snd_soc_card_jack_new(card, "Headset",
1033                                             SND_JACK_HEADSET | SND_JACK_BTN_0,
1034                                             &priv->jack, rt5640_pins,
1035                                             ARRAY_SIZE(rt5640_pins));
1036                 if (ret) {
1037                         dev_err(card->dev, "Jack creation failed %d\n", ret);
1038                         return ret;
1039                 }
1040                 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
1041                                  KEY_PLAYPAUSE);
1042                 snd_soc_component_set_jack(component, &priv->jack, NULL);
1043         }
1044
1045         return 0;
1046 }
1047
1048 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
1049         .formats = SNDRV_PCM_FMTBIT_S24_LE,
1050         .rate_min = 48000,
1051         .rate_max = 48000,
1052         .channels_min = 2,
1053         .channels_max = 2,
1054 };
1055
1056 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
1057                             struct snd_pcm_hw_params *params)
1058 {
1059         struct snd_interval *rate = hw_param_interval(params,
1060                         SNDRV_PCM_HW_PARAM_RATE);
1061         struct snd_interval *channels = hw_param_interval(params,
1062                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
1063         int ret;
1064
1065         /* The DSP will covert the FE rate to 48k, stereo */
1066         rate->min = rate->max = 48000;
1067         channels->min = channels->max = 2;
1068
1069         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1070                 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1071
1072                 /* set SSP0 to 16-bit */
1073                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
1074
1075                 /*
1076                  * Default mode for SSP configuration is TDM 4 slot, override config
1077                  * with explicit setting to I2S 2ch 16-bit. The word length is set with
1078                  * dai_set_tdm_slot() since there is no other API exposed
1079                  */
1080                 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
1081                                         SND_SOC_DAIFMT_I2S     |
1082                                         SND_SOC_DAIFMT_NB_NF   |
1083                                         SND_SOC_DAIFMT_CBS_CFS
1084                         );
1085                 if (ret < 0) {
1086                         dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
1087                         return ret;
1088                 }
1089
1090                 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
1091                 if (ret < 0) {
1092                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
1093                         return ret;
1094                 }
1095
1096         } else {
1097
1098                 /* set SSP2 to 24-bit */
1099                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
1100
1101                 /*
1102                  * Default mode for SSP configuration is TDM 4 slot, override config
1103                  * with explicit setting to I2S 2ch 24-bit. The word length is set with
1104                  * dai_set_tdm_slot() since there is no other API exposed
1105                  */
1106                 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
1107                                         SND_SOC_DAIFMT_I2S     |
1108                                         SND_SOC_DAIFMT_NB_NF   |
1109                                         SND_SOC_DAIFMT_CBS_CFS
1110                         );
1111                 if (ret < 0) {
1112                         dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
1113                         return ret;
1114                 }
1115
1116                 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
1117                 if (ret < 0) {
1118                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
1119                         return ret;
1120                 }
1121         }
1122         return 0;
1123 }
1124
1125 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
1126 {
1127         return snd_pcm_hw_constraint_single(substream->runtime,
1128                         SNDRV_PCM_HW_PARAM_RATE, 48000);
1129 }
1130
1131 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
1132         .startup = byt_rt5640_aif1_startup,
1133 };
1134
1135 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
1136         .hw_params = byt_rt5640_aif1_hw_params,
1137 };
1138
1139 static struct snd_soc_dai_link byt_rt5640_dais[] = {
1140         [MERR_DPCM_AUDIO] = {
1141                 .name = "Baytrail Audio Port",
1142                 .stream_name = "Baytrail Audio",
1143                 .cpu_dai_name = "media-cpu-dai",
1144                 .codec_dai_name = "snd-soc-dummy-dai",
1145                 .codec_name = "snd-soc-dummy",
1146                 .platform_name = "sst-mfld-platform",
1147                 .nonatomic = true,
1148                 .dynamic = 1,
1149                 .dpcm_playback = 1,
1150                 .dpcm_capture = 1,
1151                 .ops = &byt_rt5640_aif1_ops,
1152         },
1153         [MERR_DPCM_DEEP_BUFFER] = {
1154                 .name = "Deep-Buffer Audio Port",
1155                 .stream_name = "Deep-Buffer Audio",
1156                 .cpu_dai_name = "deepbuffer-cpu-dai",
1157                 .codec_dai_name = "snd-soc-dummy-dai",
1158                 .codec_name = "snd-soc-dummy",
1159                 .platform_name = "sst-mfld-platform",
1160                 .nonatomic = true,
1161                 .dynamic = 1,
1162                 .dpcm_playback = 1,
1163                 .ops = &byt_rt5640_aif1_ops,
1164         },
1165                 /* back ends */
1166         {
1167                 .name = "SSP2-Codec",
1168                 .id = 0,
1169                 .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
1170                 .platform_name = "sst-mfld-platform",
1171                 .no_pcm = 1,
1172                 .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
1173                 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
1174                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1175                                                 | SND_SOC_DAIFMT_CBS_CFS,
1176                 .be_hw_params_fixup = byt_rt5640_codec_fixup,
1177                 .ignore_suspend = 1,
1178                 .nonatomic = true,
1179                 .dpcm_playback = 1,
1180                 .dpcm_capture = 1,
1181                 .init = byt_rt5640_init,
1182                 .ops = &byt_rt5640_be_ssp2_ops,
1183         },
1184 };
1185
1186 /* SoC card */
1187 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1188 static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
1189 static char byt_rt5640_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
1190 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1191
1192 static int byt_rt5640_suspend(struct snd_soc_card *card)
1193 {
1194         struct snd_soc_component *component;
1195
1196         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1197                 return 0;
1198
1199         list_for_each_entry(component, &card->component_dev_list, card_list) {
1200                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1201                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
1202                         snd_soc_component_set_jack(component, NULL, NULL);
1203                         break;
1204                 }
1205         }
1206
1207         return 0;
1208 }
1209
1210 static int byt_rt5640_resume(struct snd_soc_card *card)
1211 {
1212         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1213         struct snd_soc_component *component;
1214
1215         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1216                 return 0;
1217
1218         list_for_each_entry(component, &card->component_dev_list, card_list) {
1219                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1220                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1221                         snd_soc_component_set_jack(component, &priv->jack, NULL);
1222                         break;
1223                 }
1224         }
1225
1226         return 0;
1227 }
1228
1229 static struct snd_soc_card byt_rt5640_card = {
1230         .name = "bytcr-rt5640",
1231         .owner = THIS_MODULE,
1232         .dai_link = byt_rt5640_dais,
1233         .num_links = ARRAY_SIZE(byt_rt5640_dais),
1234         .dapm_widgets = byt_rt5640_widgets,
1235         .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1236         .dapm_routes = byt_rt5640_audio_map,
1237         .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1238         .fully_routed = true,
1239         .suspend_pre = byt_rt5640_suspend,
1240         .resume_post = byt_rt5640_resume,
1241 };
1242
1243 static bool is_valleyview(void)
1244 {
1245         static const struct x86_cpu_id cpu_ids[] = {
1246                 { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
1247                 {}
1248         };
1249
1250         if (!x86_match_cpu(cpu_ids))
1251                 return false;
1252         return true;
1253 }
1254
1255 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1256         u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1257         u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1258 };
1259
1260 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1261 {
1262         const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1263         const struct dmi_system_id *dmi_id;
1264         struct byt_rt5640_private *priv;
1265         struct snd_soc_acpi_mach *mach;
1266         const char *i2c_name = NULL;
1267         int ret_val = 0;
1268         int dai_index = 0;
1269         int i;
1270
1271         is_bytcr = false;
1272         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1273         if (!priv)
1274                 return -ENOMEM;
1275
1276         /* register the soc card */
1277         byt_rt5640_card.dev = &pdev->dev;
1278         mach = byt_rt5640_card.dev->platform_data;
1279         snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1280
1281         /* fix index of codec dai */
1282         for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1283                 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
1284                         dai_index = i;
1285                         break;
1286                 }
1287         }
1288
1289         /* fixup codec name based on HID */
1290         i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
1291         if (i2c_name) {
1292                 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1293                         "%s%s", "i2c-", i2c_name);
1294
1295                 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
1296         }
1297
1298         /*
1299          * swap SSP0 if bytcr is detected
1300          * (will be overridden if DMI quirk is detected)
1301          */
1302         if (is_valleyview()) {
1303                 struct sst_platform_info *p_info = mach->pdata;
1304                 const struct sst_res_info *res_info = p_info->res_info;
1305
1306                 if (res_info->acpi_ipc_irq_index == 0)
1307                         is_bytcr = true;
1308         }
1309
1310         if (is_bytcr) {
1311                 /*
1312                  * Baytrail CR platforms may have CHAN package in BIOS, try
1313                  * to find relevant routing quirk based as done on Windows
1314                  * platforms. We have to read the information directly from the
1315                  * BIOS, at this stage the card is not created and the links
1316                  * with the codec driver/pdata are non-existent
1317                  */
1318
1319                 struct acpi_chan_package chan_package;
1320
1321                 /* format specified: 2 64-bit integers */
1322                 struct acpi_buffer format = {sizeof("NN"), "NN"};
1323                 struct acpi_buffer state = {0, NULL};
1324                 struct snd_soc_acpi_package_context pkg_ctx;
1325                 bool pkg_found = false;
1326
1327                 state.length = sizeof(chan_package);
1328                 state.pointer = &chan_package;
1329
1330                 pkg_ctx.name = "CHAN";
1331                 pkg_ctx.length = 2;
1332                 pkg_ctx.format = &format;
1333                 pkg_ctx.state = &state;
1334                 pkg_ctx.data_valid = false;
1335
1336                 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1337                                                                &pkg_ctx);
1338                 if (pkg_found) {
1339                         if (chan_package.aif_value == 1) {
1340                                 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1341                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1342                         } else  if (chan_package.aif_value == 2) {
1343                                 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1344                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1345                         } else {
1346                                 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1347                                 pkg_found = false;
1348                         }
1349                 }
1350
1351                 if (!pkg_found) {
1352                         /* no BIOS indications, assume SSP0-AIF2 connection */
1353                         byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1354                 }
1355
1356                 /* change defaults for Baytrail-CR capture */
1357                 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1358         } else {
1359                 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1360                                     BYT_RT5640_JD_SRC_JD2_IN4N |
1361                                     BYT_RT5640_OVCD_TH_2000UA |
1362                                     BYT_RT5640_OVCD_SF_0P75;
1363         }
1364
1365         /* check quirks before creating card */
1366         dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1367         if (dmi_id)
1368                 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1369         if (quirk_override) {
1370                 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
1371                          (unsigned int)byt_rt5640_quirk, quirk_override);
1372                 byt_rt5640_quirk = quirk_override;
1373         }
1374
1375         /* Must be called before register_card, also see declaration comment. */
1376         ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1377         if (ret_val)
1378                 return ret_val;
1379
1380         log_quirks(&pdev->dev);
1381
1382         if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1383             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1384
1385                 /* fixup codec aif name */
1386                 snprintf(byt_rt5640_codec_aif_name,
1387                         sizeof(byt_rt5640_codec_aif_name),
1388                         "%s", "rt5640-aif2");
1389
1390                 byt_rt5640_dais[dai_index].codec_dai_name =
1391                         byt_rt5640_codec_aif_name;
1392         }
1393
1394         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1395             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1396
1397                 /* fixup cpu dai name name */
1398                 snprintf(byt_rt5640_cpu_dai_name,
1399                         sizeof(byt_rt5640_cpu_dai_name),
1400                         "%s", "ssp0-port");
1401
1402                 byt_rt5640_dais[dai_index].cpu_dai_name =
1403                         byt_rt5640_cpu_dai_name;
1404         }
1405
1406         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1407                 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1408                 if (IS_ERR(priv->mclk)) {
1409                         ret_val = PTR_ERR(priv->mclk);
1410
1411                         dev_err(&pdev->dev,
1412                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1413                                 ret_val);
1414
1415                         /*
1416                          * Fall back to bit clock usage for -ENOENT (clock not
1417                          * available likely due to missing dependencies), bail
1418                          * for all other errors, including -EPROBE_DEFER
1419                          */
1420                         if (ret_val != -ENOENT)
1421                                 return ret_val;
1422                         byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1423                 }
1424         }
1425
1426         snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1427                  "bytcr-rt5640-%s-spk-%s-mic",
1428                  (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1429                         "mono" : "stereo",
1430                  map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1431         byt_rt5640_card.long_name = byt_rt5640_long_name;
1432
1433         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1434
1435         if (ret_val) {
1436                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1437                         ret_val);
1438                 return ret_val;
1439         }
1440         platform_set_drvdata(pdev, &byt_rt5640_card);
1441         return ret_val;
1442 }
1443
1444 static struct platform_driver snd_byt_rt5640_mc_driver = {
1445         .driver = {
1446                 .name = "bytcr_rt5640",
1447         },
1448         .probe = snd_byt_rt5640_mc_probe,
1449 };
1450
1451 module_platform_driver(snd_byt_rt5640_mc_driver);
1452
1453 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1454 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1455 MODULE_LICENSE("GPL v2");
1456 MODULE_ALIAS("platform:bytcr_rt5640");