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