1 /* 2 * Driver for ADAU1781/ADAU1781 codec 3 * 4 * Copyright 2011-2013 Analog Devices Inc. 5 * Author: Lars-Peter Clausen <lars@metafoo.de> 6 * 7 * Licensed under the GPL-2 or later. 8 */ 9 10 #include <linux/module.h> 11 #include <linux/init.h> 12 #include <linux/i2c.h> 13 #include <linux/spi/spi.h> 14 #include <linux/slab.h> 15 #include <sound/core.h> 16 #include <sound/pcm.h> 17 #include <sound/pcm_params.h> 18 #include <sound/soc.h> 19 #include <sound/tlv.h> 20 #include <linux/platform_data/adau17x1.h> 21 22 #include "adau17x1.h" 23 #include "adau1781.h" 24 25 #define ADAU1781_DMIC_BEEP_CTRL 0x4008 26 #define ADAU1781_LEFT_PGA 0x400e 27 #define ADAU1781_RIGHT_PGA 0x400f 28 #define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c 29 #define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e 30 #define ADAU1781_MONO_PLAYBACK_MIXER 0x401f 31 #define ADAU1781_LEFT_LINEOUT 0x4025 32 #define ADAU1781_RIGHT_LINEOUT 0x4026 33 #define ADAU1781_SPEAKER 0x4027 34 #define ADAU1781_BEEP_ZC 0x4028 35 #define ADAU1781_DEJITTER 0x4032 36 #define ADAU1781_DIG_PWDN0 0x4080 37 #define ADAU1781_DIG_PWDN1 0x4081 38 39 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3) 40 41 #define ADAU1381_FIRMWARE "adau1381.bin" 42 #define ADAU1781_FIRMWARE "adau1781.bin" 43 44 static const struct reg_default adau1781_reg_defaults[] = { 45 { ADAU1781_DMIC_BEEP_CTRL, 0x00 }, 46 { ADAU1781_LEFT_PGA, 0xc7 }, 47 { ADAU1781_RIGHT_PGA, 0xc7 }, 48 { ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 }, 49 { ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 }, 50 { ADAU1781_MONO_PLAYBACK_MIXER, 0x00 }, 51 { ADAU1781_LEFT_LINEOUT, 0x00 }, 52 { ADAU1781_RIGHT_LINEOUT, 0x00 }, 53 { ADAU1781_SPEAKER, 0x00 }, 54 { ADAU1781_BEEP_ZC, 0x19 }, 55 { ADAU1781_DEJITTER, 0x60 }, 56 { ADAU1781_DIG_PWDN1, 0x0c }, 57 { ADAU1781_DIG_PWDN1, 0x00 }, 58 { ADAU17X1_CLOCK_CONTROL, 0x00 }, 59 { ADAU17X1_PLL_CONTROL, 0x00 }, 60 { ADAU17X1_REC_POWER_MGMT, 0x00 }, 61 { ADAU17X1_MICBIAS, 0x04 }, 62 { ADAU17X1_SERIAL_PORT0, 0x00 }, 63 { ADAU17X1_SERIAL_PORT1, 0x00 }, 64 { ADAU17X1_CONVERTER0, 0x00 }, 65 { ADAU17X1_CONVERTER1, 0x00 }, 66 { ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 }, 67 { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 }, 68 { ADAU17X1_ADC_CONTROL, 0x00 }, 69 { ADAU17X1_PLAY_POWER_MGMT, 0x00 }, 70 { ADAU17X1_DAC_CONTROL0, 0x00 }, 71 { ADAU17X1_DAC_CONTROL1, 0x00 }, 72 { ADAU17X1_DAC_CONTROL2, 0x00 }, 73 { ADAU17X1_SERIAL_PORT_PAD, 0x00 }, 74 { ADAU17X1_CONTROL_PORT_PAD0, 0x00 }, 75 { ADAU17X1_CONTROL_PORT_PAD1, 0x00 }, 76 { ADAU17X1_DSP_SAMPLING_RATE, 0x01 }, 77 { ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 }, 78 { ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 }, 79 { ADAU17X1_DSP_ENABLE, 0x00 }, 80 { ADAU17X1_DSP_RUN, 0x00 }, 81 { ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 }, 82 }; 83 84 static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0); 85 86 static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv, 87 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0), 88 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0), 89 4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0), 90 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0) 91 ); 92 93 static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv, 94 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0), 95 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0), 96 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0), 97 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0) 98 ); 99 100 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1); 101 102 static const char * const adau1781_speaker_bias_select_text[] = { 103 "Normal operation", "Power saving", "Enhanced performance", 104 }; 105 106 static const char * const adau1781_bias_select_text[] = { 107 "Normal operation", "Extreme power saving", "Power saving", 108 "Enhanced performance", 109 }; 110 111 static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum, 112 ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text); 113 static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum, 114 ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text); 115 static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum, 116 ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text); 117 static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum, 118 ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text); 119 static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum, 120 ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text); 121 122 static const struct snd_kcontrol_new adau1781_controls[] = { 123 SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0, 124 adau1781_beep_tlv), 125 SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA, 126 ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv), 127 SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA, 128 ADAU1781_RIGHT_PGA, 1, 1, 0), 129 130 SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT, 131 ADAU1781_RIGHT_LINEOUT, 1, 1, 0), 132 SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0), 133 134 SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER, 135 0, 1, 0), 136 SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0, 137 adau1781_speaker_tlv), 138 139 SOC_ENUM("ADC Bias", adau1781_adc_bias_enum), 140 SOC_ENUM("DAC Bias", adau1781_dac_bias_enum), 141 SOC_ENUM("Capture Bias", adau1781_capture_bias_enum), 142 SOC_ENUM("Playback Bias", adau1781_playback_bias_enum), 143 SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum), 144 }; 145 146 static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = { 147 SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL, 148 3, 1, 0), 149 }; 150 151 static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = { 152 SOC_DAPM_SINGLE_AUTODISABLE("Switch", 153 ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0), 154 SOC_DAPM_SINGLE_TLV("Beep Playback Volume", 155 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv), 156 }; 157 158 static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = { 159 SOC_DAPM_SINGLE_AUTODISABLE("Switch", 160 ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0), 161 SOC_DAPM_SINGLE_TLV("Beep Playback Volume", 162 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv), 163 }; 164 165 static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = { 166 SOC_DAPM_SINGLE_AUTODISABLE("Left Switch", 167 ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0), 168 SOC_DAPM_SINGLE_AUTODISABLE("Right Switch", 169 ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0), 170 SOC_DAPM_SINGLE_TLV("Beep Playback Volume", 171 ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv), 172 }; 173 174 static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w, 175 struct snd_kcontrol *kcontrol, int event) 176 { 177 struct snd_soc_codec *codec = w->codec; 178 struct adau *adau = snd_soc_codec_get_drvdata(codec); 179 180 /* After any power changes have been made the dejitter circuit 181 * has to be reinitialized. */ 182 regmap_write(adau->regmap, ADAU1781_DEJITTER, 0); 183 if (!adau->master) 184 regmap_write(adau->regmap, ADAU1781_DEJITTER, 5); 185 186 return 0; 187 } 188 189 static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = { 190 SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0), 191 SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0), 192 193 SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0), 194 195 SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0, 196 adau1781_beep_mixer_controls), 197 198 SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0, 199 adau1781_left_mixer_controls), 200 SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0, 201 adau1781_right_mixer_controls), 202 SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0, 203 adau1781_mono_mixer_controls), 204 205 SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0, 206 2, 0, NULL, 0), 207 SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0, 208 3, 0, NULL, 0), 209 SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0, 210 5, 0, NULL, 0), 211 SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0), 212 SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0), 213 SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0), 214 SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0), 215 216 SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0), 217 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0), 218 219 SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0, 220 NULL, 0), 221 222 SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup), 223 224 SND_SOC_DAPM_INPUT("BEEP"), 225 226 SND_SOC_DAPM_OUTPUT("AOUTL"), 227 SND_SOC_DAPM_OUTPUT("AOUTR"), 228 SND_SOC_DAPM_OUTPUT("SP"), 229 SND_SOC_DAPM_INPUT("LMIC"), 230 SND_SOC_DAPM_INPUT("RMIC"), 231 }; 232 233 static const struct snd_soc_dapm_route adau1781_dapm_routes[] = { 234 { "Left Lineout Mixer", NULL, "Left Playback Enable" }, 235 { "Right Lineout Mixer", NULL, "Right Playback Enable" }, 236 237 { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" }, 238 { "Left Lineout Mixer", "Switch", "Left DAC" }, 239 240 { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" }, 241 { "Right Lineout Mixer", "Switch", "Right DAC" }, 242 243 { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" }, 244 { "Mono Mixer", "Right Switch", "Right DAC" }, 245 { "Mono Mixer", "Left Switch", "Left DAC" }, 246 { "Speaker", NULL, "Mono Mixer" }, 247 248 { "Mono Mixer", NULL, "SYSCLK" }, 249 { "Left Lineout Mixer", NULL, "SYSCLK" }, 250 { "Left Lineout Mixer", NULL, "SYSCLK" }, 251 252 { "Beep Mixer", "Beep Capture Switch", "BEEP" }, 253 { "Beep Mixer", NULL, "Zero Crossing Detector" }, 254 255 { "Left DAC", NULL, "DAC Engine" }, 256 { "Right DAC", NULL, "DAC Engine" }, 257 258 { "Sound Engine", NULL, "SYSCLK" }, 259 { "DSP", NULL, "Sound Engine" }, 260 261 { "Left Decimator", NULL, "ADC Engine" }, 262 { "Right Decimator", NULL, "ADC Engine" }, 263 264 { "AIFCLK", NULL, "SYSCLK" }, 265 266 { "Playback", NULL, "Serial Input Routing" }, 267 { "Playback", NULL, "Serial Ports" }, 268 { "Playback", NULL, "Clock Domain Transfer" }, 269 { "Capture", NULL, "Serial Output Routing" }, 270 { "Capture", NULL, "Serial Ports" }, 271 { "Capture", NULL, "Clock Domain Transfer" }, 272 273 { "AOUTL", NULL, "Left Lineout Mixer" }, 274 { "AOUTR", NULL, "Right Lineout Mixer" }, 275 { "SP", NULL, "Speaker" }, 276 }; 277 278 static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = { 279 { "Left PGA", NULL, "LMIC" }, 280 { "Right PGA", NULL, "RMIC" }, 281 282 { "Left Decimator", NULL, "Left PGA" }, 283 { "Right Decimator", NULL, "Right PGA" }, 284 }; 285 286 static const char * const adau1781_dmic_select_text[] = { 287 "DMIC1", "DMIC2", 288 }; 289 290 static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum, 291 adau1781_dmic_select_text); 292 293 static const struct snd_kcontrol_new adau1781_dmic_mux = 294 SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum); 295 296 static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = { 297 SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux), 298 299 SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0), 300 SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0), 301 }; 302 303 static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = { 304 { "DMIC1", NULL, "LMIC" }, 305 { "DMIC2", NULL, "RMIC" }, 306 307 { "DMIC1", NULL, "Digital Mic" }, 308 { "DMIC2", NULL, "Digital Mic" }, 309 310 { "DMIC Select", "DMIC1", "DMIC1" }, 311 { "DMIC Select", "DMIC2", "DMIC2" }, 312 313 { "Left Decimator", NULL, "DMIC Select" }, 314 { "Right Decimator", NULL, "DMIC Select" }, 315 }; 316 317 static int adau1781_set_bias_level(struct snd_soc_codec *codec, 318 enum snd_soc_bias_level level) 319 { 320 struct adau *adau = snd_soc_codec_get_drvdata(codec); 321 322 switch (level) { 323 case SND_SOC_BIAS_ON: 324 break; 325 case SND_SOC_BIAS_PREPARE: 326 break; 327 case SND_SOC_BIAS_STANDBY: 328 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, 329 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 330 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN); 331 332 /* Precharge */ 333 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8); 334 break; 335 case SND_SOC_BIAS_OFF: 336 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0); 337 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, 338 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0); 339 break; 340 } 341 342 codec->dapm.bias_level = level; 343 return 0; 344 } 345 346 static bool adau1781_readable_register(struct device *dev, unsigned int reg) 347 { 348 switch (reg) { 349 case ADAU1781_DMIC_BEEP_CTRL: 350 case ADAU1781_LEFT_PGA: 351 case ADAU1781_RIGHT_PGA: 352 case ADAU1781_LEFT_PLAYBACK_MIXER: 353 case ADAU1781_RIGHT_PLAYBACK_MIXER: 354 case ADAU1781_MONO_PLAYBACK_MIXER: 355 case ADAU1781_LEFT_LINEOUT: 356 case ADAU1781_RIGHT_LINEOUT: 357 case ADAU1781_SPEAKER: 358 case ADAU1781_BEEP_ZC: 359 case ADAU1781_DEJITTER: 360 case ADAU1781_DIG_PWDN0: 361 case ADAU1781_DIG_PWDN1: 362 return true; 363 default: 364 break; 365 } 366 367 return adau17x1_readable_register(dev, reg); 368 } 369 370 static int adau1781_set_input_mode(struct adau *adau, unsigned int reg, 371 bool differential) 372 { 373 unsigned int val; 374 375 if (differential) 376 val = ADAU1781_INPUT_DIFFERNTIAL; 377 else 378 val = 0; 379 380 return regmap_update_bits(adau->regmap, reg, 381 ADAU1781_INPUT_DIFFERNTIAL, val); 382 } 383 384 static int adau1781_codec_probe(struct snd_soc_codec *codec) 385 { 386 struct adau1781_platform_data *pdata = dev_get_platdata(codec->dev); 387 struct adau *adau = snd_soc_codec_get_drvdata(codec); 388 const char *firmware; 389 int ret; 390 391 ret = adau17x1_add_widgets(codec); 392 if (ret) 393 return ret; 394 395 if (pdata) { 396 ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA, 397 pdata->left_input_differential); 398 if (ret) 399 return ret; 400 ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA, 401 pdata->right_input_differential); 402 if (ret) 403 return ret; 404 } 405 406 if (pdata && pdata->use_dmic) { 407 ret = snd_soc_dapm_new_controls(&codec->dapm, 408 adau1781_dmic_dapm_widgets, 409 ARRAY_SIZE(adau1781_dmic_dapm_widgets)); 410 if (ret) 411 return ret; 412 ret = snd_soc_dapm_add_routes(&codec->dapm, 413 adau1781_dmic_dapm_routes, 414 ARRAY_SIZE(adau1781_dmic_dapm_routes)); 415 if (ret) 416 return ret; 417 } else { 418 ret = snd_soc_dapm_add_routes(&codec->dapm, 419 adau1781_adc_dapm_routes, 420 ARRAY_SIZE(adau1781_adc_dapm_routes)); 421 if (ret) 422 return ret; 423 } 424 425 switch (adau->type) { 426 case ADAU1381: 427 firmware = ADAU1381_FIRMWARE; 428 break; 429 case ADAU1781: 430 firmware = ADAU1781_FIRMWARE; 431 break; 432 default: 433 return -EINVAL; 434 } 435 436 ret = adau17x1_add_routes(codec); 437 if (ret < 0) 438 return ret; 439 440 ret = adau17x1_load_firmware(adau, codec->dev, firmware); 441 if (ret) 442 dev_warn(codec->dev, "Failed to load firmware\n"); 443 444 return 0; 445 } 446 447 static const struct snd_soc_codec_driver adau1781_codec_driver = { 448 .probe = adau1781_codec_probe, 449 .resume = adau17x1_resume, 450 .set_bias_level = adau1781_set_bias_level, 451 .suspend_bias_off = true, 452 453 .controls = adau1781_controls, 454 .num_controls = ARRAY_SIZE(adau1781_controls), 455 .dapm_widgets = adau1781_dapm_widgets, 456 .num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets), 457 .dapm_routes = adau1781_dapm_routes, 458 .num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes), 459 }; 460 461 #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ 462 SNDRV_PCM_FMTBIT_S32_LE) 463 464 static struct snd_soc_dai_driver adau1781_dai_driver = { 465 .name = "adau-hifi", 466 .playback = { 467 .stream_name = "Playback", 468 .channels_min = 2, 469 .channels_max = 8, 470 .rates = SNDRV_PCM_RATE_8000_96000, 471 .formats = ADAU1781_FORMATS, 472 }, 473 .capture = { 474 .stream_name = "Capture", 475 .channels_min = 2, 476 .channels_max = 8, 477 .rates = SNDRV_PCM_RATE_8000_96000, 478 .formats = ADAU1781_FORMATS, 479 }, 480 .ops = &adau17x1_dai_ops, 481 }; 482 483 const struct regmap_config adau1781_regmap_config = { 484 .val_bits = 8, 485 .reg_bits = 16, 486 .max_register = 0x40f8, 487 .reg_defaults = adau1781_reg_defaults, 488 .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults), 489 .readable_reg = adau1781_readable_register, 490 .volatile_reg = adau17x1_volatile_register, 491 .cache_type = REGCACHE_RBTREE, 492 }; 493 EXPORT_SYMBOL_GPL(adau1781_regmap_config); 494 495 int adau1781_probe(struct device *dev, struct regmap *regmap, 496 enum adau17x1_type type, void (*switch_mode)(struct device *dev)) 497 { 498 int ret; 499 500 ret = adau17x1_probe(dev, regmap, type, switch_mode); 501 if (ret) 502 return ret; 503 504 return snd_soc_register_codec(dev, &adau1781_codec_driver, 505 &adau1781_dai_driver, 1); 506 } 507 EXPORT_SYMBOL_GPL(adau1781_probe); 508 509 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver"); 510 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); 511 MODULE_LICENSE("GPL"); 512