1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 */ 5 6 #include <linux/module.h> 7 #include <linux/platform_device.h> 8 #include <linux/of_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 "../codecs/rt5663.h" 19 20 #define DRIVER_NAME "sdm845" 21 #define DEFAULT_SAMPLE_RATE_48K 48000 22 #define DEFAULT_MCLK_RATE 24576000 23 #define TDM_BCLK_RATE 6144000 24 #define MI2S_BCLK_RATE 1536000 25 #define LEFT_SPK_TDM_TX_MASK 0x30 26 #define RIGHT_SPK_TDM_TX_MASK 0xC0 27 #define SPK_TDM_RX_MASK 0x03 28 #define NUM_TDM_SLOTS 8 29 #define SLIM_MAX_TX_PORTS 16 30 #define SLIM_MAX_RX_PORTS 16 31 #define WCD934X_DEFAULT_MCLK_RATE 9600000 32 33 struct sdm845_snd_data { 34 struct snd_soc_jack jack; 35 bool jack_setup; 36 bool stream_prepared[SLIM_MAX_RX_PORTS]; 37 struct snd_soc_card *card; 38 uint32_t pri_mi2s_clk_count; 39 uint32_t sec_mi2s_clk_count; 40 uint32_t quat_tdm_clk_count; 41 struct sdw_stream_runtime *sruntime[SLIM_MAX_RX_PORTS]; 42 }; 43 44 static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28}; 45 46 static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream, 47 struct snd_pcm_hw_params *params) 48 { 49 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 50 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 51 struct snd_soc_dai *codec_dai; 52 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card); 53 u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS]; 54 struct sdw_stream_runtime *sruntime; 55 u32 rx_ch_cnt = 0, tx_ch_cnt = 0; 56 int ret = 0, i; 57 58 for_each_rtd_codec_dais(rtd, i, codec_dai) { 59 sruntime = snd_soc_dai_get_sdw_stream(codec_dai, 60 substream->stream); 61 if (sruntime != ERR_PTR(-ENOTSUPP)) 62 pdata->sruntime[cpu_dai->id] = sruntime; 63 64 ret = snd_soc_dai_get_channel_map(codec_dai, 65 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch); 66 67 if (ret != 0 && ret != -ENOTSUPP) { 68 pr_err("failed to get codec chan map, err:%d\n", ret); 69 return ret; 70 } else if (ret == -ENOTSUPP) { 71 /* Ignore unsupported */ 72 continue; 73 } 74 75 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 76 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, 77 rx_ch_cnt, rx_ch); 78 else 79 ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, 80 tx_ch, 0, NULL); 81 } 82 83 return 0; 84 } 85 86 static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, 87 struct snd_pcm_hw_params *params) 88 { 89 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 90 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 91 struct snd_soc_dai *codec_dai; 92 int ret = 0, j; 93 int channels, slot_width; 94 95 switch (params_format(params)) { 96 case SNDRV_PCM_FORMAT_S16_LE: 97 slot_width = 16; 98 break; 99 default: 100 dev_err(rtd->dev, "%s: invalid param format 0x%x\n", 101 __func__, params_format(params)); 102 return -EINVAL; 103 } 104 105 channels = params_channels(params); 106 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 107 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3, 108 8, slot_width); 109 if (ret < 0) { 110 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", 111 __func__, ret); 112 goto end; 113 } 114 115 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, 116 channels, tdm_slot_offset); 117 if (ret < 0) { 118 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", 119 __func__, ret); 120 goto end; 121 } 122 } else { 123 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0, 124 8, slot_width); 125 if (ret < 0) { 126 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", 127 __func__, ret); 128 goto end; 129 } 130 131 ret = snd_soc_dai_set_channel_map(cpu_dai, channels, 132 tdm_slot_offset, 0, NULL); 133 if (ret < 0) { 134 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", 135 __func__, ret); 136 goto end; 137 } 138 } 139 140 for_each_rtd_codec_dais(rtd, j, codec_dai) { 141 142 if (!strcmp(codec_dai->component->name_prefix, "Left")) { 143 ret = snd_soc_dai_set_tdm_slot( 144 codec_dai, LEFT_SPK_TDM_TX_MASK, 145 SPK_TDM_RX_MASK, NUM_TDM_SLOTS, 146 slot_width); 147 if (ret < 0) { 148 dev_err(rtd->dev, 149 "DEV0 TDM slot err:%d\n", ret); 150 return ret; 151 } 152 } 153 154 if (!strcmp(codec_dai->component->name_prefix, "Right")) { 155 ret = snd_soc_dai_set_tdm_slot( 156 codec_dai, RIGHT_SPK_TDM_TX_MASK, 157 SPK_TDM_RX_MASK, NUM_TDM_SLOTS, 158 slot_width); 159 if (ret < 0) { 160 dev_err(rtd->dev, 161 "DEV1 TDM slot err:%d\n", ret); 162 return ret; 163 } 164 } 165 } 166 167 end: 168 return ret; 169 } 170 171 static int sdm845_snd_hw_params(struct snd_pcm_substream *substream, 172 struct snd_pcm_hw_params *params) 173 { 174 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 175 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 176 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 177 int ret = 0; 178 179 switch (cpu_dai->id) { 180 case PRIMARY_MI2S_RX: 181 case PRIMARY_MI2S_TX: 182 /* 183 * Use ASRC for internal clocks, as PLL rate isn't multiple 184 * of BCLK. 185 */ 186 rt5663_sel_asrc_clk_src( 187 codec_dai->component, 188 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER, 189 RT5663_CLK_SEL_I2S1_ASRC); 190 ret = snd_soc_dai_set_sysclk( 191 codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE, 192 SND_SOC_CLOCK_IN); 193 if (ret < 0) 194 dev_err(rtd->dev, 195 "snd_soc_dai_set_sysclk err = %d\n", ret); 196 break; 197 case QUATERNARY_TDM_RX_0: 198 case QUATERNARY_TDM_TX_0: 199 ret = sdm845_tdm_snd_hw_params(substream, params); 200 break; 201 case SLIMBUS_0_RX...SLIMBUS_6_TX: 202 ret = sdm845_slim_snd_hw_params(substream, params); 203 break; 204 case QUATERNARY_MI2S_RX: 205 break; 206 default: 207 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 208 break; 209 } 210 return ret; 211 } 212 213 static void sdm845_jack_free(struct snd_jack *jack) 214 { 215 struct snd_soc_component *component = jack->private_data; 216 217 snd_soc_component_set_jack(component, NULL, NULL); 218 } 219 220 static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd) 221 { 222 struct snd_soc_component *component; 223 struct snd_soc_card *card = rtd->card; 224 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 225 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 226 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card); 227 struct snd_jack *jack; 228 /* 229 * Codec SLIMBUS configuration 230 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13 231 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13 232 * TX14, TX15, TX16 233 */ 234 unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149, 235 150, 151, 152, 153, 154, 155, 156}; 236 unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133, 237 134, 135, 136, 137, 138, 139, 238 140, 141, 142, 143}; 239 int rval, i; 240 241 242 if (!pdata->jack_setup) { 243 rval = snd_soc_card_jack_new(card, "Headset Jack", 244 SND_JACK_HEADSET | 245 SND_JACK_HEADPHONE | 246 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 247 SND_JACK_BTN_2 | SND_JACK_BTN_3, 248 &pdata->jack, NULL, 0); 249 250 if (rval < 0) { 251 dev_err(card->dev, "Unable to add Headphone Jack\n"); 252 return rval; 253 } 254 255 jack = pdata->jack.jack; 256 257 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 258 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 259 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 260 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 261 pdata->jack_setup = true; 262 } 263 264 switch (cpu_dai->id) { 265 case PRIMARY_MI2S_RX: 266 jack = pdata->jack.jack; 267 component = codec_dai->component; 268 269 jack->private_data = component; 270 jack->private_free = sdm845_jack_free; 271 rval = snd_soc_component_set_jack(component, 272 &pdata->jack, NULL); 273 if (rval != 0 && rval != -ENOTSUPP) { 274 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 275 return rval; 276 } 277 break; 278 case SLIMBUS_0_RX...SLIMBUS_6_TX: 279 for_each_rtd_codec_dais(rtd, i, codec_dai) { 280 rval = snd_soc_dai_set_channel_map(codec_dai, 281 ARRAY_SIZE(tx_ch), 282 tx_ch, 283 ARRAY_SIZE(rx_ch), 284 rx_ch); 285 if (rval != 0 && rval != -ENOTSUPP) 286 return rval; 287 288 snd_soc_dai_set_sysclk(codec_dai, 0, 289 WCD934X_DEFAULT_MCLK_RATE, 290 SNDRV_PCM_STREAM_PLAYBACK); 291 } 292 break; 293 default: 294 break; 295 } 296 297 return 0; 298 } 299 300 301 static int sdm845_snd_startup(struct snd_pcm_substream *substream) 302 { 303 unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS; 304 unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS; 305 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 306 struct snd_soc_card *card = rtd->card; 307 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); 308 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 309 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 310 int j; 311 int ret; 312 313 switch (cpu_dai->id) { 314 case PRIMARY_MI2S_RX: 315 case PRIMARY_MI2S_TX: 316 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF; 317 if (++(data->pri_mi2s_clk_count) == 1) { 318 snd_soc_dai_set_sysclk(cpu_dai, 319 Q6AFE_LPASS_CLK_ID_MCLK_1, 320 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 321 snd_soc_dai_set_sysclk(cpu_dai, 322 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, 323 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 324 } 325 snd_soc_dai_set_fmt(cpu_dai, fmt); 326 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); 327 break; 328 329 case SECONDARY_MI2S_TX: 330 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S; 331 if (++(data->sec_mi2s_clk_count) == 1) { 332 snd_soc_dai_set_sysclk(cpu_dai, 333 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, 334 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE); 335 } 336 snd_soc_dai_set_fmt(cpu_dai, fmt); 337 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); 338 break; 339 case QUATERNARY_MI2S_RX: 340 snd_soc_dai_set_sysclk(cpu_dai, 341 Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT, 342 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 343 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBS_CFS); 344 345 346 break; 347 348 case QUATERNARY_TDM_RX_0: 349 case QUATERNARY_TDM_TX_0: 350 if (++(data->quat_tdm_clk_count) == 1) { 351 snd_soc_dai_set_sysclk(cpu_dai, 352 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, 353 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); 354 } 355 356 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B; 357 358 for_each_rtd_codec_dais(rtd, j, codec_dai) { 359 360 if (!strcmp(codec_dai->component->name_prefix, 361 "Left")) { 362 ret = snd_soc_dai_set_fmt( 363 codec_dai, codec_dai_fmt); 364 if (ret < 0) { 365 dev_err(rtd->dev, 366 "Left TDM fmt err:%d\n", ret); 367 return ret; 368 } 369 } 370 371 if (!strcmp(codec_dai->component->name_prefix, 372 "Right")) { 373 ret = snd_soc_dai_set_fmt( 374 codec_dai, codec_dai_fmt); 375 if (ret < 0) { 376 dev_err(rtd->dev, 377 "Right TDM slot err:%d\n", ret); 378 return ret; 379 } 380 } 381 } 382 break; 383 case SLIMBUS_0_RX...SLIMBUS_6_TX: 384 break; 385 386 default: 387 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 388 break; 389 } 390 return 0; 391 } 392 393 static void sdm845_snd_shutdown(struct snd_pcm_substream *substream) 394 { 395 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 396 struct snd_soc_card *card = rtd->card; 397 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); 398 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 399 400 switch (cpu_dai->id) { 401 case PRIMARY_MI2S_RX: 402 case PRIMARY_MI2S_TX: 403 if (--(data->pri_mi2s_clk_count) == 0) { 404 snd_soc_dai_set_sysclk(cpu_dai, 405 Q6AFE_LPASS_CLK_ID_MCLK_1, 406 0, SNDRV_PCM_STREAM_PLAYBACK); 407 snd_soc_dai_set_sysclk(cpu_dai, 408 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, 409 0, SNDRV_PCM_STREAM_PLAYBACK); 410 } 411 break; 412 413 case SECONDARY_MI2S_TX: 414 if (--(data->sec_mi2s_clk_count) == 0) { 415 snd_soc_dai_set_sysclk(cpu_dai, 416 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, 417 0, SNDRV_PCM_STREAM_CAPTURE); 418 } 419 break; 420 421 case QUATERNARY_TDM_RX_0: 422 case QUATERNARY_TDM_TX_0: 423 if (--(data->quat_tdm_clk_count) == 0) { 424 snd_soc_dai_set_sysclk(cpu_dai, 425 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, 426 0, SNDRV_PCM_STREAM_PLAYBACK); 427 } 428 break; 429 case SLIMBUS_0_RX...SLIMBUS_6_TX: 430 case QUATERNARY_MI2S_RX: 431 break; 432 433 default: 434 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); 435 break; 436 } 437 } 438 439 static int sdm845_snd_prepare(struct snd_pcm_substream *substream) 440 { 441 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 442 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); 443 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 444 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; 445 int ret; 446 447 if (!sruntime) 448 return 0; 449 450 if (data->stream_prepared[cpu_dai->id]) { 451 sdw_disable_stream(sruntime); 452 sdw_deprepare_stream(sruntime); 453 data->stream_prepared[cpu_dai->id] = false; 454 } 455 456 ret = sdw_prepare_stream(sruntime); 457 if (ret) 458 return ret; 459 460 /** 461 * NOTE: there is a strict hw requirement about the ordering of port 462 * enables and actual WSA881x PA enable. PA enable should only happen 463 * after soundwire ports are enabled if not DC on the line is 464 * accumulated resulting in Click/Pop Noise 465 * PA enable/mute are handled as part of codec DAPM and digital mute. 466 */ 467 468 ret = sdw_enable_stream(sruntime); 469 if (ret) { 470 sdw_deprepare_stream(sruntime); 471 return ret; 472 } 473 data->stream_prepared[cpu_dai->id] = true; 474 475 return ret; 476 } 477 478 static int sdm845_snd_hw_free(struct snd_pcm_substream *substream) 479 { 480 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 481 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); 482 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); 483 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; 484 485 if (sruntime && data->stream_prepared[cpu_dai->id]) { 486 sdw_disable_stream(sruntime); 487 sdw_deprepare_stream(sruntime); 488 data->stream_prepared[cpu_dai->id] = false; 489 } 490 491 return 0; 492 } 493 494 static const struct snd_soc_ops sdm845_be_ops = { 495 .hw_params = sdm845_snd_hw_params, 496 .hw_free = sdm845_snd_hw_free, 497 .prepare = sdm845_snd_prepare, 498 .startup = sdm845_snd_startup, 499 .shutdown = sdm845_snd_shutdown, 500 }; 501 502 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 503 struct snd_pcm_hw_params *params) 504 { 505 struct snd_interval *rate = hw_param_interval(params, 506 SNDRV_PCM_HW_PARAM_RATE); 507 struct snd_interval *channels = hw_param_interval(params, 508 SNDRV_PCM_HW_PARAM_CHANNELS); 509 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 510 511 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K; 512 channels->min = channels->max = 2; 513 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); 514 515 return 0; 516 } 517 518 static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = { 519 SND_SOC_DAPM_HP("Headphone Jack", NULL), 520 SND_SOC_DAPM_MIC("Headset Mic", NULL), 521 SND_SOC_DAPM_SPK("Left Spk", NULL), 522 SND_SOC_DAPM_SPK("Right Spk", NULL), 523 SND_SOC_DAPM_MIC("Int Mic", NULL), 524 }; 525 526 static void sdm845_add_ops(struct snd_soc_card *card) 527 { 528 struct snd_soc_dai_link *link; 529 int i; 530 531 for_each_card_prelinks(card, i, link) { 532 if (link->no_pcm == 1) { 533 link->ops = &sdm845_be_ops; 534 link->be_hw_params_fixup = sdm845_be_hw_params_fixup; 535 } 536 link->init = sdm845_dai_init; 537 } 538 } 539 540 static int sdm845_snd_platform_probe(struct platform_device *pdev) 541 { 542 struct snd_soc_card *card; 543 struct sdm845_snd_data *data; 544 struct device *dev = &pdev->dev; 545 int ret; 546 547 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 548 if (!card) 549 return -ENOMEM; 550 551 /* Allocate the private data */ 552 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); 553 if (!data) 554 return -ENOMEM; 555 556 card->driver_name = DRIVER_NAME; 557 card->dapm_widgets = sdm845_snd_widgets; 558 card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets); 559 card->dev = dev; 560 card->owner = THIS_MODULE; 561 dev_set_drvdata(dev, card); 562 ret = qcom_snd_parse_of(card); 563 if (ret) 564 return ret; 565 566 data->card = card; 567 snd_soc_card_set_drvdata(card, data); 568 569 sdm845_add_ops(card); 570 return devm_snd_soc_register_card(dev, card); 571 } 572 573 static const struct of_device_id sdm845_snd_device_id[] = { 574 { .compatible = "qcom,sdm845-sndcard" }, 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 v2"); 592