1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * ALSA SoC TLV320AIC23 codec driver 4 * 5 * Author: Arun KS, <arunks@mistralsolutions.com> 6 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd., 7 * 8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie 9 * 10 * Notes: 11 * The AIC23 is a driver for a low power stereo audio 12 * codec tlv320aic23 13 * 14 * The machine layer should disable unsupported inputs/outputs by 15 * snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc. 16 */ 17 18#include <linux/module.h> 19#include <linux/moduleparam.h> 20#include <linux/init.h> 21#include <linux/delay.h> 22#include <linux/pm.h> 23#include <linux/regmap.h> 24#include <linux/slab.h> 25#include <sound/core.h> 26#include <sound/pcm.h> 27#include <sound/pcm_params.h> 28#include <sound/soc.h> 29#include <sound/tlv.h> 30#include <sound/initval.h> 31 32#include "tlv320aic23.h" 33 34/* 35 * AIC23 register cache 36 */ 37static const struct reg_default tlv320aic23_reg[] = { 38 { 0, 0x0097 }, 39 { 1, 0x0097 }, 40 { 2, 0x00F9 }, 41 { 3, 0x00F9 }, 42 { 4, 0x001A }, 43 { 5, 0x0004 }, 44 { 6, 0x0007 }, 45 { 7, 0x0001 }, 46 { 8, 0x0020 }, 47 { 9, 0x0000 }, 48}; 49 50const struct regmap_config tlv320aic23_regmap = { 51 .reg_bits = 7, 52 .val_bits = 9, 53 54 .max_register = TLV320AIC23_RESET, 55 .reg_defaults = tlv320aic23_reg, 56 .num_reg_defaults = ARRAY_SIZE(tlv320aic23_reg), 57 .cache_type = REGCACHE_RBTREE, 58}; 59EXPORT_SYMBOL(tlv320aic23_regmap); 60 61static const char *rec_src_text[] = { "Line", "Mic" }; 62static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"}; 63 64static SOC_ENUM_SINGLE_DECL(rec_src_enum, 65 TLV320AIC23_ANLG, 2, rec_src_text); 66 67static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls = 68SOC_DAPM_ENUM("Input Select", rec_src_enum); 69 70static SOC_ENUM_SINGLE_DECL(tlv320aic23_deemph, 71 TLV320AIC23_DIGT, 1, deemph_text); 72 73static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); 74static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); 75static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0); 76 77static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol, 78 struct snd_ctl_elem_value *ucontrol) 79{ 80 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 81 u16 val, reg; 82 83 val = (ucontrol->value.integer.value[0] & 0x07); 84 85 /* linear conversion to userspace 86 * 000 = -6db 87 * 001 = -9db 88 * 010 = -12db 89 * 011 = -18db (Min) 90 * 100 = 0db (Max) 91 */ 92 val = (val >= 4) ? 4 : (3 - val); 93 94 reg = snd_soc_component_read(component, TLV320AIC23_ANLG) & (~0x1C0); 95 snd_soc_component_write(component, TLV320AIC23_ANLG, reg | (val << 6)); 96 97 return 0; 98} 99 100static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol, 101 struct snd_ctl_elem_value *ucontrol) 102{ 103 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 104 u16 val; 105 106 val = snd_soc_component_read(component, TLV320AIC23_ANLG) & (0x1C0); 107 val = val >> 6; 108 val = (val >= 4) ? 4 : (3 - val); 109 ucontrol->value.integer.value[0] = val; 110 return 0; 111 112} 113 114static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { 115 SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL, 116 TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv), 117 SOC_SINGLE("Digital Playback Switch", TLV320AIC23_DIGT, 3, 1, 1), 118 SOC_DOUBLE_R("Line Input Switch", TLV320AIC23_LINVOL, 119 TLV320AIC23_RINVOL, 7, 1, 0), 120 SOC_DOUBLE_R_TLV("Line Input Volume", TLV320AIC23_LINVOL, 121 TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), 122 SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1), 123 SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0), 124 SOC_SINGLE_EXT_TLV("Sidetone Volume", TLV320AIC23_ANLG, 6, 4, 0, 125 snd_soc_tlv320aic23_get_volsw, 126 snd_soc_tlv320aic23_put_volsw, sidetone_vol_tlv), 127 SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph), 128}; 129 130/* PGA Mixer controls for Line and Mic switch */ 131static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = { 132 SOC_DAPM_SINGLE("Line Bypass Switch", TLV320AIC23_ANLG, 3, 1, 0), 133 SOC_DAPM_SINGLE("Mic Sidetone Switch", TLV320AIC23_ANLG, 5, 1, 0), 134 SOC_DAPM_SINGLE("Playback Switch", TLV320AIC23_ANLG, 4, 1, 0), 135}; 136 137static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { 138 SND_SOC_DAPM_DAC("DAC", "Playback", TLV320AIC23_PWR, 3, 1), 139 SND_SOC_DAPM_ADC("ADC", "Capture", TLV320AIC23_PWR, 2, 1), 140 SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0, 141 &tlv320aic23_rec_src_mux_controls), 142 SND_SOC_DAPM_MIXER("Output Mixer", TLV320AIC23_PWR, 4, 1, 143 &tlv320aic23_output_mixer_controls[0], 144 ARRAY_SIZE(tlv320aic23_output_mixer_controls)), 145 SND_SOC_DAPM_PGA("Line Input", TLV320AIC23_PWR, 0, 1, NULL, 0), 146 SND_SOC_DAPM_PGA("Mic Input", TLV320AIC23_PWR, 1, 1, NULL, 0), 147 148 SND_SOC_DAPM_OUTPUT("LHPOUT"), 149 SND_SOC_DAPM_OUTPUT("RHPOUT"), 150 SND_SOC_DAPM_OUTPUT("LOUT"), 151 SND_SOC_DAPM_OUTPUT("ROUT"), 152 153 SND_SOC_DAPM_INPUT("LLINEIN"), 154 SND_SOC_DAPM_INPUT("RLINEIN"), 155 156 SND_SOC_DAPM_INPUT("MICIN"), 157}; 158 159static const struct snd_soc_dapm_route tlv320aic23_intercon[] = { 160 /* Output Mixer */ 161 {"Output Mixer", "Line Bypass Switch", "Line Input"}, 162 {"Output Mixer", "Playback Switch", "DAC"}, 163 {"Output Mixer", "Mic Sidetone Switch", "Mic Input"}, 164 165 /* Outputs */ 166 {"RHPOUT", NULL, "Output Mixer"}, 167 {"LHPOUT", NULL, "Output Mixer"}, 168 {"LOUT", NULL, "Output Mixer"}, 169 {"ROUT", NULL, "Output Mixer"}, 170 171 /* Inputs */ 172 {"Line Input", NULL, "LLINEIN"}, 173 {"Line Input", NULL, "RLINEIN"}, 174 {"Mic Input", NULL, "MICIN"}, 175 176 /* input mux */ 177 {"Capture Source", "Line", "Line Input"}, 178 {"Capture Source", "Mic", "Mic Input"}, 179 {"ADC", NULL, "Capture Source"}, 180 181}; 182 183/* AIC23 driver data */ 184struct aic23 { 185 struct regmap *regmap; 186 int mclk; 187 int requested_adc; 188 int requested_dac; 189}; 190 191/* 192 * Common Crystals used 193 * 11.2896 Mhz /128 = *88.2k /192 = 58.8k 194 * 12.0000 Mhz /125 = *96k /136 = 88.235K 195 * 12.2880 Mhz /128 = *96k /192 = 64k 196 * 16.9344 Mhz /128 = 132.3k /192 = *88.2k 197 * 18.4320 Mhz /128 = 144k /192 = *96k 198 */ 199 200/* 201 * Normal BOSR 0-256/2 = 128, 1-384/2 = 192 202 * USB BOSR 0-250/2 = 125, 1-272/2 = 136 203 */ 204static const int bosr_usb_divisor_table[] = { 205 128, 125, 192, 136 206}; 207#define LOWER_GROUP ((1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<6) | (1<<7)) 208#define UPPER_GROUP ((1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<15)) 209static const unsigned short sr_valid_mask[] = { 210 LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 0*/ 211 LOWER_GROUP, /* Usb, bosr - 0*/ 212 LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 1*/ 213 UPPER_GROUP, /* Usb, bosr - 1*/ 214}; 215/* 216 * Every divisor is a factor of 11*12 217 */ 218#define SR_MULT (11*12) 219#define A(x) (SR_MULT/x) 220static const unsigned char sr_adc_mult_table[] = { 221 A(2), A(2), A(12), A(12), 0, 0, A(3), A(1), 222 A(2), A(2), A(11), A(11), 0, 0, 0, A(1) 223}; 224static const unsigned char sr_dac_mult_table[] = { 225 A(2), A(12), A(2), A(12), 0, 0, A(3), A(1), 226 A(2), A(11), A(2), A(11), 0, 0, 0, A(1) 227}; 228 229static unsigned get_score(int adc, int adc_l, int adc_h, int need_adc, 230 int dac, int dac_l, int dac_h, int need_dac) 231{ 232 if ((adc >= adc_l) && (adc <= adc_h) && 233 (dac >= dac_l) && (dac <= dac_h)) { 234 int diff_adc = need_adc - adc; 235 int diff_dac = need_dac - dac; 236 return abs(diff_adc) + abs(diff_dac); 237 } 238 return UINT_MAX; 239} 240 241static int find_rate(int mclk, u32 need_adc, u32 need_dac) 242{ 243 int i, j; 244 int best_i = -1; 245 int best_j = -1; 246 int best_div = 0; 247 unsigned best_score = UINT_MAX; 248 int adc_l, adc_h, dac_l, dac_h; 249 250 need_adc *= SR_MULT; 251 need_dac *= SR_MULT; 252 /* 253 * rates given are +/- 1/32 254 */ 255 adc_l = need_adc - (need_adc >> 5); 256 adc_h = need_adc + (need_adc >> 5); 257 dac_l = need_dac - (need_dac >> 5); 258 dac_h = need_dac + (need_dac >> 5); 259 for (i = 0; i < ARRAY_SIZE(bosr_usb_divisor_table); i++) { 260 int base = mclk / bosr_usb_divisor_table[i]; 261 int mask = sr_valid_mask[i]; 262 for (j = 0; j < ARRAY_SIZE(sr_adc_mult_table); 263 j++, mask >>= 1) { 264 int adc; 265 int dac; 266 int score; 267 if ((mask & 1) == 0) 268 continue; 269 adc = base * sr_adc_mult_table[j]; 270 dac = base * sr_dac_mult_table[j]; 271 score = get_score(adc, adc_l, adc_h, need_adc, 272 dac, dac_l, dac_h, need_dac); 273 if (best_score > score) { 274 best_score = score; 275 best_i = i; 276 best_j = j; 277 best_div = 0; 278 } 279 score = get_score((adc >> 1), adc_l, adc_h, need_adc, 280 (dac >> 1), dac_l, dac_h, need_dac); 281 /* prefer to have a /2 */ 282 if ((score != UINT_MAX) && (best_score >= score)) { 283 best_score = score; 284 best_i = i; 285 best_j = j; 286 best_div = 1; 287 } 288 } 289 } 290 return (best_j << 2) | best_i | (best_div << TLV320AIC23_CLKIN_SHIFT); 291} 292 293#ifdef DEBUG 294static void get_current_sample_rates(struct snd_soc_component *component, int mclk, 295 u32 *sample_rate_adc, u32 *sample_rate_dac) 296{ 297 int src = snd_soc_component_read(component, TLV320AIC23_SRATE); 298 int sr = (src >> 2) & 0x0f; 299 int val = (mclk / bosr_usb_divisor_table[src & 3]); 300 int adc = (val * sr_adc_mult_table[sr]) / SR_MULT; 301 int dac = (val * sr_dac_mult_table[sr]) / SR_MULT; 302 if (src & TLV320AIC23_CLKIN_HALF) { 303 adc >>= 1; 304 dac >>= 1; 305 } 306 *sample_rate_adc = adc; 307 *sample_rate_dac = dac; 308} 309#endif 310 311static int set_sample_rate_control(struct snd_soc_component *component, int mclk, 312 u32 sample_rate_adc, u32 sample_rate_dac) 313{ 314 /* Search for the right sample rate */ 315 int data = find_rate(mclk, sample_rate_adc, sample_rate_dac); 316 if (data < 0) { 317 printk(KERN_ERR "%s:Invalid rate %u,%u requested\n", 318 __func__, sample_rate_adc, sample_rate_dac); 319 return -EINVAL; 320 } 321 snd_soc_component_write(component, TLV320AIC23_SRATE, data); 322#ifdef DEBUG 323 { 324 u32 adc, dac; 325 get_current_sample_rates(component, mclk, &adc, &dac); 326 printk(KERN_DEBUG "actual samplerate = %u,%u reg=%x\n", 327 adc, dac, data); 328 } 329#endif 330 return 0; 331} 332 333static int tlv320aic23_hw_params(struct snd_pcm_substream *substream, 334 struct snd_pcm_hw_params *params, 335 struct snd_soc_dai *dai) 336{ 337 struct snd_soc_component *component = dai->component; 338 u16 iface_reg; 339 int ret; 340 struct aic23 *aic23 = snd_soc_component_get_drvdata(component); 341 u32 sample_rate_adc = aic23->requested_adc; 342 u32 sample_rate_dac = aic23->requested_dac; 343 u32 sample_rate = params_rate(params); 344 345 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 346 aic23->requested_dac = sample_rate_dac = sample_rate; 347 if (!sample_rate_adc) 348 sample_rate_adc = sample_rate; 349 } else { 350 aic23->requested_adc = sample_rate_adc = sample_rate; 351 if (!sample_rate_dac) 352 sample_rate_dac = sample_rate; 353 } 354 ret = set_sample_rate_control(component, aic23->mclk, sample_rate_adc, 355 sample_rate_dac); 356 if (ret < 0) 357 return ret; 358 359 iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & ~(0x03 << 2); 360 361 switch (params_width(params)) { 362 case 16: 363 break; 364 case 20: 365 iface_reg |= (0x01 << 2); 366 break; 367 case 24: 368 iface_reg |= (0x02 << 2); 369 break; 370 case 32: 371 iface_reg |= (0x03 << 2); 372 break; 373 } 374 snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, iface_reg); 375 376 return 0; 377} 378 379static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream, 380 struct snd_soc_dai *dai) 381{ 382 struct snd_soc_component *component = dai->component; 383 384 /* set active */ 385 snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0001); 386 387 return 0; 388} 389 390static void tlv320aic23_shutdown(struct snd_pcm_substream *substream, 391 struct snd_soc_dai *dai) 392{ 393 struct snd_soc_component *component = dai->component; 394 struct aic23 *aic23 = snd_soc_component_get_drvdata(component); 395 396 /* deactivate */ 397 if (!snd_soc_component_active(component)) { 398 udelay(50); 399 snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0); 400 } 401 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 402 aic23->requested_dac = 0; 403 else 404 aic23->requested_adc = 0; 405} 406 407static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute, int direction) 408{ 409 struct snd_soc_component *component = dai->component; 410 u16 reg; 411 412 reg = snd_soc_component_read(component, TLV320AIC23_DIGT); 413 if (mute) 414 reg |= TLV320AIC23_DACM_MUTE; 415 416 else 417 reg &= ~TLV320AIC23_DACM_MUTE; 418 419 snd_soc_component_write(component, TLV320AIC23_DIGT, reg); 420 421 return 0; 422} 423 424static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai, 425 unsigned int fmt) 426{ 427 struct snd_soc_component *component = codec_dai->component; 428 u16 iface_reg; 429 430 iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & (~0x03); 431 432 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 433 case SND_SOC_DAIFMT_CBP_CFP: 434 iface_reg |= TLV320AIC23_MS_MASTER; 435 break; 436 case SND_SOC_DAIFMT_CBC_CFC: 437 iface_reg &= ~TLV320AIC23_MS_MASTER; 438 break; 439 default: 440 return -EINVAL; 441 442 } 443 444 /* interface format */ 445 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 446 case SND_SOC_DAIFMT_I2S: 447 iface_reg |= TLV320AIC23_FOR_I2S; 448 break; 449 case SND_SOC_DAIFMT_DSP_A: 450 iface_reg |= TLV320AIC23_LRP_ON; 451 fallthrough; 452 case SND_SOC_DAIFMT_DSP_B: 453 iface_reg |= TLV320AIC23_FOR_DSP; 454 break; 455 case SND_SOC_DAIFMT_RIGHT_J: 456 break; 457 case SND_SOC_DAIFMT_LEFT_J: 458 iface_reg |= TLV320AIC23_FOR_LJUST; 459 break; 460 default: 461 return -EINVAL; 462 463 } 464 465 snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, iface_reg); 466 467 return 0; 468} 469 470static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai, 471 int clk_id, unsigned int freq, int dir) 472{ 473 struct aic23 *aic23 = snd_soc_dai_get_drvdata(codec_dai); 474 aic23->mclk = freq; 475 return 0; 476} 477 478static int tlv320aic23_set_bias_level(struct snd_soc_component *component, 479 enum snd_soc_bias_level level) 480{ 481 u16 reg = snd_soc_component_read(component, TLV320AIC23_PWR) & 0x17f; 482 483 switch (level) { 484 case SND_SOC_BIAS_ON: 485 /* vref/mid, osc on, dac unmute */ 486 reg &= ~(TLV320AIC23_DEVICE_PWR_OFF | TLV320AIC23_OSC_OFF | \ 487 TLV320AIC23_DAC_OFF); 488 snd_soc_component_write(component, TLV320AIC23_PWR, reg); 489 break; 490 case SND_SOC_BIAS_PREPARE: 491 break; 492 case SND_SOC_BIAS_STANDBY: 493 /* everything off except vref/vmid, */ 494 snd_soc_component_write(component, TLV320AIC23_PWR, 495 reg | TLV320AIC23_CLK_OFF); 496 break; 497 case SND_SOC_BIAS_OFF: 498 /* everything off, dac mute, inactive */ 499 snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0); 500 snd_soc_component_write(component, TLV320AIC23_PWR, 0x1ff); 501 break; 502 } 503 return 0; 504} 505 506#define AIC23_RATES SNDRV_PCM_RATE_8000_96000 507#define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 508 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) 509 510static const struct snd_soc_dai_ops tlv320aic23_dai_ops = { 511 .prepare = tlv320aic23_pcm_prepare, 512 .hw_params = tlv320aic23_hw_params, 513 .shutdown = tlv320aic23_shutdown, 514 .mute_stream = tlv320aic23_mute, 515 .set_fmt = tlv320aic23_set_dai_fmt, 516 .set_sysclk = tlv320aic23_set_dai_sysclk, 517 .no_capture_mute = 1, 518}; 519 520static struct snd_soc_dai_driver tlv320aic23_dai = { 521 .name = "tlv320aic23-hifi", 522 .playback = { 523 .stream_name = "Playback", 524 .channels_min = 2, 525 .channels_max = 2, 526 .rates = AIC23_RATES, 527 .formats = AIC23_FORMATS,}, 528 .capture = { 529 .stream_name = "Capture", 530 .channels_min = 2, 531 .channels_max = 2, 532 .rates = AIC23_RATES, 533 .formats = AIC23_FORMATS,}, 534 .ops = &tlv320aic23_dai_ops, 535}; 536 537static int tlv320aic23_resume(struct snd_soc_component *component) 538{ 539 struct aic23 *aic23 = snd_soc_component_get_drvdata(component); 540 regcache_mark_dirty(aic23->regmap); 541 regcache_sync(aic23->regmap); 542 543 return 0; 544} 545 546static int tlv320aic23_component_probe(struct snd_soc_component *component) 547{ 548 /* Reset codec */ 549 snd_soc_component_write(component, TLV320AIC23_RESET, 0); 550 551 snd_soc_component_write(component, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K); 552 553 /* Unmute input */ 554 snd_soc_component_update_bits(component, TLV320AIC23_LINVOL, 555 TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); 556 557 snd_soc_component_update_bits(component, TLV320AIC23_RINVOL, 558 TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); 559 560 snd_soc_component_update_bits(component, TLV320AIC23_ANLG, 561 TLV320AIC23_BYPASS_ON | TLV320AIC23_MICM_MUTED, 562 0); 563 564 /* Default output volume */ 565 snd_soc_component_write(component, TLV320AIC23_LCHNVOL, 566 TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); 567 snd_soc_component_write(component, TLV320AIC23_RCHNVOL, 568 TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); 569 570 snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x1); 571 572 return 0; 573} 574 575static const struct snd_soc_component_driver soc_component_dev_tlv320aic23 = { 576 .probe = tlv320aic23_component_probe, 577 .resume = tlv320aic23_resume, 578 .set_bias_level = tlv320aic23_set_bias_level, 579 .controls = tlv320aic23_snd_controls, 580 .num_controls = ARRAY_SIZE(tlv320aic23_snd_controls), 581 .dapm_widgets = tlv320aic23_dapm_widgets, 582 .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), 583 .dapm_routes = tlv320aic23_intercon, 584 .num_dapm_routes = ARRAY_SIZE(tlv320aic23_intercon), 585 .suspend_bias_off = 1, 586 .idle_bias_on = 1, 587 .use_pmdown_time = 1, 588 .endianness = 1, 589}; 590 591int tlv320aic23_probe(struct device *dev, struct regmap *regmap) 592{ 593 struct aic23 *aic23; 594 595 if (IS_ERR(regmap)) 596 return PTR_ERR(regmap); 597 598 aic23 = devm_kzalloc(dev, sizeof(struct aic23), GFP_KERNEL); 599 if (aic23 == NULL) 600 return -ENOMEM; 601 602 aic23->regmap = regmap; 603 604 dev_set_drvdata(dev, aic23); 605 606 return devm_snd_soc_register_component(dev, 607 &soc_component_dev_tlv320aic23, 608 &tlv320aic23_dai, 1); 609} 610EXPORT_SYMBOL(tlv320aic23_probe); 611 612MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver"); 613MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); 614MODULE_LICENSE("GPL"); 615