1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 */ 5 6 #include <dt-bindings/sound/qcom,q6afe.h> 7 #include <linux/module.h> 8 #include <linux/platform_device.h> 9 #include <sound/core.h> 10 #include <sound/pcm.h> 11 #include <sound/pcm_params.h> 12 #include <sound/jack.h> 13 #include <sound/soc.h> 14 #include <linux/soundwire/sdw.h> 15 #include <uapi/linux/input-event-codes.h> 16 #include "common.h" 17 #include "qdsp6/q6afe.h" 18 #include "sdw.h" 19 #include "../codecs/rt5663.h" 20 21 #define DRIVER_NAME "sdm845" 22 #define DEFAULT_SAMPLE_RATE_48K 48000 23 #define DEFAULT_MCLK_RATE 24576000 24 #define TDM_BCLK_RATE 6144000 25 #define MI2S_BCLK_RATE 1536000 26 #define LEFT_SPK_TDM_TX_MASK 0x30 27 #define RIGHT_SPK_TDM_TX_MASK 0xC0 28 #define SPK_TDM_RX_MASK 0x03 29 #define NUM_TDM_SLOTS 8 30 #define SLIM_MAX_TX_PORTS 16 31 #define SLIM_MAX_RX_PORTS 13 32 #define WCD934X_DEFAULT_MCLK_RATE 9600000 33 34 struct sdm845_snd_data { 35 struct snd_soc_jack jack; 36 bool jack_setup; 37 bool slim_port_setup; 38 bool stream_prepared[AFE_PORT_MAX]; 39 struct snd_soc_card *card; 40 uint32_t pri_mi2s_clk_count; 41 uint32_t sec_mi2s_clk_count; 42 uint32_t quat_tdm_clk_count; 43 }; 44 45 static struct snd_soc_jack_pin sdm845_jack_pins[] = { 46 { 47 .pin = "Headphone Jack", 48 .mask = SND_JACK_HEADPHONE, 49 }, 50 { 51 .pin = "Headset Mic", 52 .mask = SND_JACK_MICROPHONE, 53 }, 54 }; 55 56 static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28}; 57 58 static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream, 59 struct snd_pcm_hw_params *params) 60 { 61 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 62 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 63 struct snd_soc_dai *codec_dai; 64 u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS]; 65 u32 rx_ch_cnt = 0, tx_ch_cnt = 0; 66 int ret = 0, i; 67 68 for_each_rtd_codec_dais(rtd, i, codec_dai) { 69 ret = snd_soc_dai_get_channel_map(codec_dai, 70 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch); 71 72 if (ret != 0 && ret != -ENOTSUPP) { 73 pr_err("failed to get codec chan map, err:%d\n", ret); 74 return ret; 75 } else if (ret == -ENOTSUPP) { 76 /* Ignore unsupported */ 77 continue; 78 } 79 80 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 81 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, 82 rx_ch_cnt, rx_ch); 83 else 84 ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, 85 tx_ch, 0, NULL); 86 if (ret != 0 && ret != -ENOTSUPP) { 87 dev_err(rtd->dev, "failed to set cpu chan map, err:%d\n", ret); 88 return ret; 89 } 90 } 91 92 return 0; 93 } 94 95 static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, 96 struct snd_pcm_hw_params *params) 97 { 98 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 99 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 100 struct snd_soc_dai *codec_dai; 101 int ret = 0, j; 102 int channels, slot_width; 103 104 switch (params_format(params)) { 105 case SNDRV_PCM_FORMAT_S16_LE: 106 slot_width = 16; 107 break; 108 default: 109 dev_err(rtd->dev, "%s: invalid param format 0x%x\n", 110 __func__, params_format(params)); 111 return -EINVAL; 112 } 113 114 channels = params_channels(params); 115 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 116 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3, 117 8, slot_width); 118 if (ret < 0) { 119 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", 120 __func__, ret); 121 goto end; 122 } 123 124 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, 125 channels, tdm_slot_offset); 126 if (ret < 0) { 127 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", 128 __func__, ret); 129 goto end; 130 } 131 } else { 132 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0, 133 8, slot_width); 134 if (ret < 0) { 135 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", 136 __func__, ret); 137 goto end; 138 } 139 140 ret = snd_soc_dai_set_channel_map(cpu_dai, channels, 141 tdm_slot_offset, 0, NULL); 142 if (ret < 0) { 143 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", 144 __func__, ret); 145 goto end; 146 } 147 } 148 149 for_each_rtd_codec_dais(rtd, j, codec_dai) { 150 151 if (!strcmp(codec_dai->component->name_prefix, "Left")) { 152 ret = snd_soc_dai_set_tdm_slot( 153 codec_dai, LEFT_SPK_TDM_TX_MASK, 154 SPK_TDM_RX_MASK, NUM_TDM_SLOTS, 155 slot_width); 156 if (ret < 0) { 157 dev_err(rtd->dev, 158 "DEV0 TDM slot err:%d\n", ret); 159 return ret; 160 } 161 } 162 163 if (!strcmp(codec_dai->component->name_prefix, "Right")) { 164 ret = snd_soc_dai_set_tdm_slot( 165 codec_dai, RIGHT_SPK_TDM_TX_MASK, 166 SPK_TDM_RX_MASK, NUM_TDM_SLOTS, 167 slot_width); 168 if (ret < 0) { 169 dev_err(rtd->dev, 170 "DEV1 TDM slot err:%d\n", ret); 171 return ret; 172 } 173 } 174 } 175 176 end: 177 return ret; 178 } 179 180 static int sdm845_snd_hw_params(struct snd_pcm_substream *substream, 181 struct snd_pcm_hw_params *params) 182 { 183 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 184 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 185 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 186 int ret = 0; 187 188 switch (cpu_dai->id) { 189 case PRIMARY_MI2S_RX: 190 case PRIMARY_MI2S_TX: 191 /* 192 * Use ASRC for internal clocks, as PLL rate isn't multiple 193 * of BCLK. 194 */ 195 rt5663_sel_asrc_clk_src( 196 codec_dai->component, 197 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER, 198 RT5663_CLK_SEL_I2S1_ASRC); 199 ret = snd_soc_dai_set_sysclk( 200 codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE, 201 SND_SOC_CLOCK_IN); 202 if (ret < 0) 203 dev_err(rtd->dev, 204 "snd_soc_dai_set_sysclk err = %d\n", ret); 205 break; 206 case QUATERNARY_TDM_RX_0: 207 case QUATERNARY_TDM_TX_0: 208 ret = sdm845_tdm_snd_hw_params(substream, params); 209 break; 210 case SLIMBUS_0_RX...SLIMBUS_6_TX: 211 ret = sdm845_slim_snd_hw_params(substream, params); 212 break; 213 case QUATERNARY_MI2S_RX: 214 case SECONDARY_MI2S_RX: 215 break; 216 default: 217 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 218 break; 219 } 220 return ret; 221 } 222 223 static void sdm845_jack_free(struct snd_jack *jack) 224 { 225 struct snd_soc_component *component = jack->private_data; 226 227 snd_soc_component_set_jack(component, NULL, NULL); 228 } 229 230 static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd) 231 { 232 struct snd_soc_component *component; 233 struct snd_soc_card *card = rtd->card; 234 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 235 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 236 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card); 237 struct snd_soc_dai_link *link = rtd->dai_link; 238 struct snd_jack *jack; 239 /* 240 * Codec SLIMBUS configuration 241 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13 242 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13 243 * TX14, TX15, TX16 244 */ 245 unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149, 246 150, 151, 152, 153, 154, 155, 156}; 247 unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133, 248 134, 135, 136, 137, 138, 139, 249 140, 141, 142, 143}; 250 int rval, i; 251 252 253 if (!pdata->jack_setup) { 254 rval = snd_soc_card_jack_new_pins(card, "Headset Jack", 255 SND_JACK_HEADSET | 256 SND_JACK_HEADPHONE | 257 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 258 SND_JACK_BTN_2 | SND_JACK_BTN_3, 259 &pdata->jack, 260 sdm845_jack_pins, 261 ARRAY_SIZE(sdm845_jack_pins)); 262 263 if (rval < 0) { 264 dev_err(card->dev, "Unable to add Headphone Jack\n"); 265 return rval; 266 } 267 268 jack = pdata->jack.jack; 269 270 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 271 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 272 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 273 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 274 pdata->jack_setup = true; 275 } 276 277 switch (cpu_dai->id) { 278 case PRIMARY_MI2S_RX: 279 jack = pdata->jack.jack; 280 component = codec_dai->component; 281 282 jack->private_data = component; 283 jack->private_free = sdm845_jack_free; 284 rval = snd_soc_component_set_jack(component, 285 &pdata->jack, NULL); 286 if (rval != 0 && rval != -ENOTSUPP) { 287 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 288 return rval; 289 } 290 break; 291 case SLIMBUS_0_RX...SLIMBUS_6_TX: 292 /* setting up wcd multiple times for slim port is redundant */ 293 if (pdata->slim_port_setup || !link->no_pcm) 294 return 0; 295 296 for_each_rtd_codec_dais(rtd, i, codec_dai) { 297 rval = snd_soc_dai_set_channel_map(codec_dai, 298 ARRAY_SIZE(tx_ch), 299 tx_ch, 300 ARRAY_SIZE(rx_ch), 301 rx_ch); 302 if (rval != 0 && rval != -ENOTSUPP) 303 return rval; 304 305 snd_soc_dai_set_sysclk(codec_dai, 0, 306 WCD934X_DEFAULT_MCLK_RATE, 307 SNDRV_PCM_STREAM_PLAYBACK); 308 309 rval = snd_soc_component_set_jack(codec_dai->component, 310 &pdata->jack, NULL); 311 if (rval != 0 && rval != -ENOTSUPP) { 312 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 313 return rval; 314 } 315 } 316 317 pdata->slim_port_setup = true; 318 319 break; 320 default: 321 break; 322 } 323 324 return 0; 325 } 326 327 328 static int sdm845_snd_startup(struct snd_pcm_substream *substream) 329 { 330 unsigned int fmt = SND_SOC_DAIFMT_BP_FP; 331 unsigned int codec_dai_fmt = SND_SOC_DAIFMT_BC_FC; 332 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 333 struct snd_soc_card *card = rtd->card; 334 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); 335 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 336 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 337 int j; 338 int ret; 339 340 switch (cpu_dai->id) { 341 case PRIMARY_MI2S_RX: 342 case PRIMARY_MI2S_TX: 343 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF; 344 if (++(data->pri_mi2s_clk_count) == 1) { 345 snd_soc_dai_set_sysclk(cpu_dai, 346 Q6AFE_LPASS_CLK_ID_MCLK_1, 347 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 348 snd_soc_dai_set_sysclk(cpu_dai, 349 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, 350 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 351 } 352 snd_soc_dai_set_fmt(cpu_dai, fmt); 353 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); 354 break; 355 356 case SECONDARY_MI2S_RX: 357 case SECONDARY_MI2S_TX: 358 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S; 359 if (++(data->sec_mi2s_clk_count) == 1) { 360 snd_soc_dai_set_sysclk(cpu_dai, 361 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, 362 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE); 363 } 364 snd_soc_dai_set_fmt(cpu_dai, fmt); 365 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); 366 break; 367 case QUATERNARY_MI2S_RX: 368 snd_soc_dai_set_sysclk(cpu_dai, 369 Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT, 370 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 371 snd_soc_dai_set_fmt(cpu_dai, fmt); 372 break; 373 374 case QUATERNARY_TDM_RX_0: 375 case QUATERNARY_TDM_TX_0: 376 if (++(data->quat_tdm_clk_count) == 1) { 377 snd_soc_dai_set_sysclk(cpu_dai, 378 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, 379 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 380 } 381 382 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B; 383 384 for_each_rtd_codec_dais(rtd, j, codec_dai) { 385 386 if (!strcmp(codec_dai->component->name_prefix, 387 "Left")) { 388 ret = snd_soc_dai_set_fmt( 389 codec_dai, codec_dai_fmt); 390 if (ret < 0) { 391 dev_err(rtd->dev, 392 "Left TDM fmt err:%d\n", ret); 393 return ret; 394 } 395 } 396 397 if (!strcmp(codec_dai->component->name_prefix, 398 "Right")) { 399 ret = snd_soc_dai_set_fmt( 400 codec_dai, codec_dai_fmt); 401 if (ret < 0) { 402 dev_err(rtd->dev, 403 "Right TDM slot err:%d\n", ret); 404 return ret; 405 } 406 } 407 } 408 break; 409 case SLIMBUS_0_RX...SLIMBUS_6_TX: 410 break; 411 412 default: 413 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 414 break; 415 } 416 return qcom_snd_sdw_startup(substream); 417 } 418 419 static void sdm845_snd_shutdown(struct snd_pcm_substream *substream) 420 { 421 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 422 struct snd_soc_card *card = rtd->card; 423 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); 424 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 425 426 switch (cpu_dai->id) { 427 case PRIMARY_MI2S_RX: 428 case PRIMARY_MI2S_TX: 429 if (--(data->pri_mi2s_clk_count) == 0) { 430 snd_soc_dai_set_sysclk(cpu_dai, 431 Q6AFE_LPASS_CLK_ID_MCLK_1, 432 0, SNDRV_PCM_STREAM_PLAYBACK); 433 snd_soc_dai_set_sysclk(cpu_dai, 434 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, 435 0, SNDRV_PCM_STREAM_PLAYBACK); 436 } 437 break; 438 439 case SECONDARY_MI2S_RX: 440 case SECONDARY_MI2S_TX: 441 if (--(data->sec_mi2s_clk_count) == 0) { 442 snd_soc_dai_set_sysclk(cpu_dai, 443 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, 444 0, SNDRV_PCM_STREAM_CAPTURE); 445 } 446 break; 447 448 case QUATERNARY_TDM_RX_0: 449 case QUATERNARY_TDM_TX_0: 450 if (--(data->quat_tdm_clk_count) == 0) { 451 snd_soc_dai_set_sysclk(cpu_dai, 452 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, 453 0, SNDRV_PCM_STREAM_PLAYBACK); 454 } 455 break; 456 case SLIMBUS_0_RX...SLIMBUS_6_TX: 457 case QUATERNARY_MI2S_RX: 458 break; 459 460 default: 461 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 462 break; 463 } 464 465 qcom_snd_sdw_shutdown(substream); 466 } 467 468 static int sdm845_snd_prepare(struct snd_pcm_substream *substream) 469 { 470 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 471 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); 472 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 473 474 return qcom_snd_sdw_prepare(substream, &data->stream_prepared[cpu_dai->id]); 475 } 476 477 static int sdm845_snd_hw_free(struct snd_pcm_substream *substream) 478 { 479 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 480 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); 481 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 482 483 return qcom_snd_sdw_hw_free(substream, &data->stream_prepared[cpu_dai->id]); 484 } 485 486 static const struct snd_soc_ops sdm845_be_ops = { 487 .hw_params = sdm845_snd_hw_params, 488 .hw_free = sdm845_snd_hw_free, 489 .prepare = sdm845_snd_prepare, 490 .startup = sdm845_snd_startup, 491 .shutdown = sdm845_snd_shutdown, 492 }; 493 494 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 495 struct snd_pcm_hw_params *params) 496 { 497 struct snd_interval *rate = hw_param_interval(params, 498 SNDRV_PCM_HW_PARAM_RATE); 499 struct snd_interval *channels = hw_param_interval(params, 500 SNDRV_PCM_HW_PARAM_CHANNELS); 501 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 502 503 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K; 504 channels->min = channels->max = 2; 505 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); 506 507 return 0; 508 } 509 510 static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = { 511 SND_SOC_DAPM_HP("Headphone Jack", NULL), 512 SND_SOC_DAPM_MIC("Headset Mic", NULL), 513 SND_SOC_DAPM_SPK("Left Spk", NULL), 514 SND_SOC_DAPM_SPK("Right Spk", NULL), 515 SND_SOC_DAPM_MIC("Int Mic", NULL), 516 }; 517 518 static const struct snd_kcontrol_new sdm845_snd_controls[] = { 519 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 520 SOC_DAPM_PIN_SWITCH("Headset Mic"), 521 }; 522 523 static void sdm845_add_ops(struct snd_soc_card *card) 524 { 525 struct snd_soc_dai_link *link; 526 int i; 527 528 for_each_card_prelinks(card, i, link) { 529 if (link->no_pcm == 1) { 530 link->ops = &sdm845_be_ops; 531 link->be_hw_params_fixup = sdm845_be_hw_params_fixup; 532 } 533 link->init = sdm845_dai_init; 534 } 535 } 536 537 static int sdm845_snd_platform_probe(struct platform_device *pdev) 538 { 539 struct snd_soc_card *card; 540 struct sdm845_snd_data *data; 541 struct device *dev = &pdev->dev; 542 int ret; 543 544 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 545 if (!card) 546 return -ENOMEM; 547 548 /* Allocate the private data */ 549 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); 550 if (!data) 551 return -ENOMEM; 552 553 card->driver_name = DRIVER_NAME; 554 card->dapm_widgets = sdm845_snd_widgets; 555 card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets); 556 card->controls = sdm845_snd_controls; 557 card->num_controls = ARRAY_SIZE(sdm845_snd_controls); 558 card->dev = dev; 559 card->owner = THIS_MODULE; 560 dev_set_drvdata(dev, card); 561 ret = qcom_snd_parse_of(card); 562 if (ret) 563 return ret; 564 565 data->card = card; 566 snd_soc_card_set_drvdata(card, data); 567 568 sdm845_add_ops(card); 569 return devm_snd_soc_register_card(dev, card); 570 } 571 572 static const struct of_device_id sdm845_snd_device_id[] = { 573 { .compatible = "qcom,sdm845-sndcard" }, 574 /* Do not grow the list for compatible devices */ 575 { .compatible = "qcom,db845c-sndcard" }, 576 { .compatible = "lenovo,yoga-c630-sndcard" }, 577 {}, 578 }; 579 MODULE_DEVICE_TABLE(of, sdm845_snd_device_id); 580 581 static struct platform_driver sdm845_snd_driver = { 582 .probe = sdm845_snd_platform_probe, 583 .driver = { 584 .name = "msm-snd-sdm845", 585 .of_match_table = sdm845_snd_device_id, 586 }, 587 }; 588 module_platform_driver(sdm845_snd_driver); 589 590 MODULE_DESCRIPTION("sdm845 ASoC Machine Driver"); 591 MODULE_LICENSE("GPL"); 592