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sdm845.c

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linux-6.19.14/sound/soc/qcom/sdm845.c C 
  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
 34struct 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
 45static 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
 56static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
 57
 58static 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
 95static 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
176end:
177	return ret;
178}
179
180static 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
223static 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
230static 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
328static 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		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
369		snd_soc_dai_set_sysclk(cpu_dai,
370			Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
371			MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
372		snd_soc_dai_set_fmt(cpu_dai, fmt);
373		snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
374		break;
375
376	case QUATERNARY_TDM_RX_0:
377	case QUATERNARY_TDM_TX_0:
378		if (++(data->quat_tdm_clk_count) == 1) {
379			snd_soc_dai_set_sysclk(cpu_dai,
380				Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
381				TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
382		}
383
384		codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
385
386		for_each_rtd_codec_dais(rtd, j, codec_dai) {
387
388			if (!strcmp(codec_dai->component->name_prefix,
389				    "Left")) {
390				ret = snd_soc_dai_set_fmt(
391						codec_dai, codec_dai_fmt);
392				if (ret < 0) {
393					dev_err(rtd->dev,
394						"Left TDM fmt err:%d\n", ret);
395					return ret;
396				}
397			}
398
399			if (!strcmp(codec_dai->component->name_prefix,
400				    "Right")) {
401				ret = snd_soc_dai_set_fmt(
402						codec_dai, codec_dai_fmt);
403				if (ret < 0) {
404					dev_err(rtd->dev,
405						"Right TDM slot err:%d\n", ret);
406					return ret;
407				}
408			}
409		}
410		break;
411	case SLIMBUS_0_RX...SLIMBUS_6_TX:
412		break;
413
414	default:
415		pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
416		break;
417	}
418	return qcom_snd_sdw_startup(substream);
419}
420
421static void  sdm845_snd_shutdown(struct snd_pcm_substream *substream)
422{
423	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
424	struct snd_soc_card *card = rtd->card;
425	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
426	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
427
428	switch (cpu_dai->id) {
429	case PRIMARY_MI2S_RX:
430	case PRIMARY_MI2S_TX:
431		if (--(data->pri_mi2s_clk_count) == 0) {
432			snd_soc_dai_set_sysclk(cpu_dai,
433				Q6AFE_LPASS_CLK_ID_MCLK_1,
434				0, SNDRV_PCM_STREAM_PLAYBACK);
435			snd_soc_dai_set_sysclk(cpu_dai,
436				Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
437				0, SNDRV_PCM_STREAM_PLAYBACK);
438		}
439		break;
440
441	case SECONDARY_MI2S_RX:
442	case SECONDARY_MI2S_TX:
443		if (--(data->sec_mi2s_clk_count) == 0) {
444			snd_soc_dai_set_sysclk(cpu_dai,
445				Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
446				0, SNDRV_PCM_STREAM_CAPTURE);
447		}
448		break;
449
450	case QUATERNARY_TDM_RX_0:
451	case QUATERNARY_TDM_TX_0:
452		if (--(data->quat_tdm_clk_count) == 0) {
453			snd_soc_dai_set_sysclk(cpu_dai,
454				Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
455				0, SNDRV_PCM_STREAM_PLAYBACK);
456		}
457		break;
458	case SLIMBUS_0_RX...SLIMBUS_6_TX:
459	case QUATERNARY_MI2S_RX:
460		break;
461
462	default:
463		pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
464		break;
465	}
466
467	qcom_snd_sdw_shutdown(substream);
468}
469
470static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
471{
472	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
473	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
474	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
475
476	return qcom_snd_sdw_prepare(substream, &data->stream_prepared[cpu_dai->id]);
477}
478
479static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
480{
481	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
482	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
483	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
484
485	return qcom_snd_sdw_hw_free(substream, &data->stream_prepared[cpu_dai->id]);
486}
487
488static const struct snd_soc_ops sdm845_be_ops = {
489	.hw_params = sdm845_snd_hw_params,
490	.hw_free = sdm845_snd_hw_free,
491	.prepare = sdm845_snd_prepare,
492	.startup = sdm845_snd_startup,
493	.shutdown = sdm845_snd_shutdown,
494};
495
496static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
497				struct snd_pcm_hw_params *params)
498{
499	struct snd_interval *rate = hw_param_interval(params,
500					SNDRV_PCM_HW_PARAM_RATE);
501	struct snd_interval *channels = hw_param_interval(params,
502					SNDRV_PCM_HW_PARAM_CHANNELS);
503	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
504
505	rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
506	channels->min = channels->max = 2;
507	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
508
509	return 0;
510}
511
512static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
513	SND_SOC_DAPM_HP("Headphone Jack", NULL),
514	SND_SOC_DAPM_MIC("Headset Mic", NULL),
515	SND_SOC_DAPM_SPK("Left Spk", NULL),
516	SND_SOC_DAPM_SPK("Right Spk", NULL),
517	SND_SOC_DAPM_MIC("Int Mic", NULL),
518};
519
520static const struct snd_kcontrol_new sdm845_snd_controls[] = {
521	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
522	SOC_DAPM_PIN_SWITCH("Headset Mic"),
523};
524
525static void sdm845_add_ops(struct snd_soc_card *card)
526{
527	struct snd_soc_dai_link *link;
528	int i;
529
530	for_each_card_prelinks(card, i, link) {
531		if (link->no_pcm == 1) {
532			link->ops = &sdm845_be_ops;
533			link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
534		}
535		link->init = sdm845_dai_init;
536	}
537}
538
539static int sdm845_snd_platform_probe(struct platform_device *pdev)
540{
541	struct snd_soc_card *card;
542	struct sdm845_snd_data *data;
543	struct device *dev = &pdev->dev;
544	int ret;
545
546	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
547	if (!card)
548		return -ENOMEM;
549
550	/* Allocate the private data */
551	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
552	if (!data)
553		return -ENOMEM;
554
555	card->driver_name = DRIVER_NAME;
556	card->dapm_widgets = sdm845_snd_widgets;
557	card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
558	card->controls = sdm845_snd_controls;
559	card->num_controls = ARRAY_SIZE(sdm845_snd_controls);
560	card->dev = dev;
561	card->owner = THIS_MODULE;
562	dev_set_drvdata(dev, card);
563	ret = qcom_snd_parse_of(card);
564	if (ret)
565		return ret;
566
567	data->card = card;
568	snd_soc_card_set_drvdata(card, data);
569
570	sdm845_add_ops(card);
571	return devm_snd_soc_register_card(dev, card);
572}
573
574static const struct of_device_id sdm845_snd_device_id[]  = {
575	{ .compatible = "qcom,sdm845-sndcard" },
576	/* Do not grow the list for compatible devices */
577	{ .compatible = "qcom,db845c-sndcard" },
578	{ .compatible = "lenovo,yoga-c630-sndcard" },
579	{},
580};
581MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
582
583static struct platform_driver sdm845_snd_driver = {
584	.probe = sdm845_snd_platform_probe,
585	.driver = {
586		.name = "msm-snd-sdm845",
587		.of_match_table = sdm845_snd_device_id,
588	},
589};
590module_platform_driver(sdm845_snd_driver);
591
592MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
593MODULE_LICENSE("GPL");
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