sound/soc/mediatek/mt8365/mt8365-mt6357.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  * MediaTek MT8365 Sound Card driver
  *
  * Copyright (c) 2024 MediaTek Inc.
  * Authors: Nicolas Belin <nbelin@baylibre.com>
  */

 #include <linux/module.h>
 #include <linux/of_gpio.h>
 #include <sound/soc.h>
 #include <sound/pcm_params.h>
 #include "mt8365-afe-common.h"
 #include <linux/pinctrl/consumer.h>
 #include "../common/mtk-soc-card.h"
 #include "../common/mtk-soundcard-driver.h"

 enum pinctrl_pin_state {
 	PIN_STATE_DEFAULT,
 	PIN_STATE_DMIC,
 	PIN_STATE_MISO_OFF,
 	PIN_STATE_MISO_ON,
 	PIN_STATE_MOSI_OFF,
 	PIN_STATE_MOSI_ON,
 	PIN_STATE_MAX
 };

 static const char * const mt8365_mt6357_pin_str[PIN_STATE_MAX] = {
 	"default",
 	"dmic",
 	"miso_off",
 	"miso_on",
 	"mosi_off",
 	"mosi_on",
 };

 struct mt8365_mt6357_priv {
 	struct pinctrl *pinctrl;
 	struct pinctrl_state *pin_states[PIN_STATE_MAX];
 };

 enum {
 	/* FE */
 	DAI_LINK_DL1_PLAYBACK = 0,
 	DAI_LINK_DL2_PLAYBACK,
 	DAI_LINK_AWB_CAPTURE,
 	DAI_LINK_VUL_CAPTURE,
 	/* BE */
 	DAI_LINK_2ND_I2S_INTF,
 	DAI_LINK_DMIC,
 	DAI_LINK_INT_ADDA,
 	DAI_LINK_NUM
 };

 static const struct snd_soc_dapm_widget mt8365_mt6357_widgets[] = {
 	SND_SOC_DAPM_OUTPUT("HDMI Out"),
 };

 static const struct snd_soc_dapm_route mt8365_mt6357_routes[] = {
 	{"HDMI Out", NULL, "2ND I2S Playback"},
 	{"DMIC In", NULL, "MICBIAS0"},
 };

 static int mt8365_mt6357_int_adda_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
 	int ret = 0;

 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_ON]))
 			return ret;

 		ret = pinctrl_select_state(priv->pinctrl,
 					   priv->pin_states[PIN_STATE_MOSI_ON]);
 		if (ret)
 			dev_err(rtd->card->dev, "%s failed to select state %d\n",
 				__func__, ret);
 	}

 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 		if (IS_ERR(priv->pin_states[PIN_STATE_MISO_ON]))
 			return ret;

 		ret = pinctrl_select_state(priv->pinctrl,
 					   priv->pin_states[PIN_STATE_MISO_ON]);
 		if (ret)
 			dev_err(rtd->card->dev, "%s failed to select state %d\n",
 				__func__, ret);
 	}

 	return 0;
 }

 static void mt8365_mt6357_int_adda_shutdown(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
 	int ret = 0;

 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_OFF]))
 			return;

 		ret = pinctrl_select_state(priv->pinctrl,
 					   priv->pin_states[PIN_STATE_MOSI_OFF]);
 		if (ret)
 			dev_err(rtd->card->dev, "%s failed to select state %d\n",
 				__func__, ret);
 	}

 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 		if (IS_ERR(priv->pin_states[PIN_STATE_MISO_OFF]))
 			return;

 		ret = pinctrl_select_state(priv->pinctrl,
 					   priv->pin_states[PIN_STATE_MISO_OFF]);
 		if (ret)
 			dev_err(rtd->card->dev, "%s failed to select state %d\n",
 				__func__, ret);
 	}
 }

 static const struct snd_soc_ops mt8365_mt6357_int_adda_ops = {
 	.startup = mt8365_mt6357_int_adda_startup,
 	.shutdown = mt8365_mt6357_int_adda_shutdown,
 };

 SND_SOC_DAILINK_DEFS(playback1,
 		     DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 SND_SOC_DAILINK_DEFS(playback2,
 		     DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 SND_SOC_DAILINK_DEFS(awb_capture,
 		     DAILINK_COMP_ARRAY(COMP_CPU("AWB")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 SND_SOC_DAILINK_DEFS(vul,
 		     DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));

 SND_SOC_DAILINK_DEFS(i2s3,
 		     DAILINK_COMP_ARRAY(COMP_CPU("2ND I2S")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 SND_SOC_DAILINK_DEFS(dmic,
 		     DAILINK_COMP_ARRAY(COMP_CPU("DMIC")),
 		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 SND_SOC_DAILINK_DEFS(primary_codec,
 		     DAILINK_COMP_ARRAY(COMP_CPU("INT ADDA")),
 		     DAILINK_COMP_ARRAY(COMP_CODEC("mt6357-sound", "mt6357-snd-codec-aif1")),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));

 /* Digital audio interface glue - connects codec <---> CPU */
 static struct snd_soc_dai_link mt8365_mt6357_dais[] = {
 	/* Front End DAI links */
 	[DAI_LINK_DL1_PLAYBACK] = {
 		.name = "DL1_FE",
 		.stream_name = "MultiMedia1_PLayback",
 		.id = DAI_LINK_DL1_PLAYBACK,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST,
 			SND_SOC_DPCM_TRIGGER_POST
 		},
 		.dynamic = 1,
 		.playback_only = 1,
 		.dpcm_merged_rate = 1,
 		SND_SOC_DAILINK_REG(playback1),
 	},
 	[DAI_LINK_DL2_PLAYBACK] = {
 		.name = "DL2_FE",
 		.stream_name = "MultiMedia2_PLayback",
 		.id = DAI_LINK_DL2_PLAYBACK,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST,
 			SND_SOC_DPCM_TRIGGER_POST
 		},
 		.dynamic = 1,
 		.playback_only = 1,
 		.dpcm_merged_rate = 1,
 		SND_SOC_DAILINK_REG(playback2),
 	},
 	[DAI_LINK_AWB_CAPTURE] = {
 		.name = "AWB_FE",
 		.stream_name = "DL1_AWB_Record",
 		.id = DAI_LINK_AWB_CAPTURE,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST,
 			SND_SOC_DPCM_TRIGGER_POST
 		},
 		.dynamic = 1,
 		.capture_only = 1,
 		.dpcm_merged_rate = 1,
 		SND_SOC_DAILINK_REG(awb_capture),
 	},
 	[DAI_LINK_VUL_CAPTURE] = {
 		.name = "VUL_FE",
 		.stream_name = "MultiMedia1_Capture",
 		.id = DAI_LINK_VUL_CAPTURE,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST,
 			SND_SOC_DPCM_TRIGGER_POST
 		},
 		.dynamic = 1,
 		.capture_only = 1,
 		.dpcm_merged_rate = 1,
 		SND_SOC_DAILINK_REG(vul),
 	},
 	/* Back End DAI links */
 	[DAI_LINK_2ND_I2S_INTF] = {
 		.name = "I2S_OUT_BE",
 		.no_pcm = 1,
 		.id = DAI_LINK_2ND_I2S_INTF,
 		.dai_fmt = SND_SOC_DAIFMT_I2S |
 				SND_SOC_DAIFMT_NB_NF |
 				SND_SOC_DAIFMT_CBS_CFS,
 		SND_SOC_DAILINK_REG(i2s3),
 	},
 	[DAI_LINK_DMIC] = {
 		.name = "DMIC_BE",
 		.no_pcm = 1,
 		.id = DAI_LINK_DMIC,
 		.capture_only = 1,
 		SND_SOC_DAILINK_REG(dmic),
 	},
 	[DAI_LINK_INT_ADDA] = {
 		.name = "MTK_Codec",
 		.no_pcm = 1,
 		.id = DAI_LINK_INT_ADDA,
 		.ops = &mt8365_mt6357_int_adda_ops,
 		SND_SOC_DAILINK_REG(primary_codec),
 	},
 };

 static int mt8365_mt6357_gpio_probe(struct snd_soc_card *card)
 {
 	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(card);
 	int ret, i;

 	priv->pinctrl = devm_pinctrl_get(card->dev);
 	if (IS_ERR(priv->pinctrl)) {
 		ret = PTR_ERR(priv->pinctrl);
 		return dev_err_probe(card->dev, ret,
 				     "Failed to get pinctrl\n");
 	}

 	for (i = PIN_STATE_DEFAULT ; i < PIN_STATE_MAX ; i++) {
 		priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl,
 							   mt8365_mt6357_pin_str[i]);
 		if (IS_ERR(priv->pin_states[i])) {
 			dev_info(card->dev, "No pin state for %s\n",
 				 mt8365_mt6357_pin_str[i]);
 		} else {
 			ret = pinctrl_select_state(priv->pinctrl,
 						   priv->pin_states[i]);
 			if (ret) {
 				dev_err_probe(card->dev, ret,
 					      "Failed to select pin state %s\n",
 					      mt8365_mt6357_pin_str[i]);
 				return ret;
 			}
 		}
 	}
 	return 0;
 }

 static struct snd_soc_card mt8365_mt6357_soc_card = {
 	.name = "mt8365-evk",
 	.owner = THIS_MODULE,
 	.dai_link = mt8365_mt6357_dais,
 	.num_links = ARRAY_SIZE(mt8365_mt6357_dais),
 	.dapm_widgets = mt8365_mt6357_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(mt8365_mt6357_widgets),
 	.dapm_routes = mt8365_mt6357_routes,
 	.num_dapm_routes = ARRAY_SIZE(mt8365_mt6357_routes),
 };

 static int mt8365_mt6357_dev_probe(struct mtk_soc_card_data *soc_card_data, bool legacy)
 {
 	struct mtk_platform_card_data *card_data = soc_card_data->card_data;
 	struct snd_soc_card *card = card_data->card;
 	struct device *dev = card->dev;
 	struct mt8365_mt6357_priv *mach_priv;
 	int ret;

 	card->dev = dev;
 	ret = parse_dai_link_info(card);
 	if (ret)
 		goto err;

 	mach_priv = devm_kzalloc(dev, sizeof(*mach_priv),
 				 GFP_KERNEL);
 	if (!mach_priv)
 		return -ENOMEM;
 	soc_card_data->mach_priv = mach_priv;
 	snd_soc_card_set_drvdata(card, soc_card_data);
 	mt8365_mt6357_gpio_probe(card);
 	return 0;

 err:
 	clean_card_reference(card);
 	return ret;
 }

 static const struct mtk_soundcard_pdata mt8365_mt6357_card = {
 	.card_name = "mt8365-mt6357",
 	.card_data = &(struct mtk_platform_card_data) {
 		.card = &mt8365_mt6357_soc_card,
 	},
 	.soc_probe = mt8365_mt6357_dev_probe
 };

 static const struct of_device_id mt8365_mt6357_dt_match[] = {
 	{ .compatible = "mediatek,mt8365-mt6357", .data = &mt8365_mt6357_card },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mt8365_mt6357_dt_match);

 static struct platform_driver mt8365_mt6357_driver = {
 	.driver = {
 		   .name = "mt8365_mt6357",
 		   .of_match_table = mt8365_mt6357_dt_match,
 		   .pm = &snd_soc_pm_ops,
 	},
 	.probe = mtk_soundcard_common_probe,
 };

 module_platform_driver(mt8365_mt6357_driver);

 /* Module information */
 MODULE_DESCRIPTION("MT8365 EVK SoC machine driver");
 MODULE_AUTHOR("Nicolas Belin <nbelin@baylibre.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform: mt8365_mt6357");
	// SPDX-License-Identifier: GPL-2.0
	/*
	* MediaTek MT8365 Sound Card driver
	*
	* Copyright (c) 2024 MediaTek Inc.
	* Authors: Nicolas Belin <nbelin@baylibre.com>
	*/

	#include <linux/module.h>
	#include <linux/of_gpio.h>
	#include <sound/soc.h>
	#include <sound/pcm_params.h>
	#include "mt8365-afe-common.h"
	#include <linux/pinctrl/consumer.h>
	#include "../common/mtk-soc-card.h"
	#include "../common/mtk-soundcard-driver.h"

	enum pinctrl_pin_state {
	PIN_STATE_DEFAULT,
	PIN_STATE_DMIC,
	PIN_STATE_MISO_OFF,
	PIN_STATE_MISO_ON,
	PIN_STATE_MOSI_OFF,
	PIN_STATE_MOSI_ON,
	PIN_STATE_MAX
	};

	static const char * const mt8365_mt6357_pin_str[PIN_STATE_MAX] = {
	"default",
	"dmic",
	"miso_off",
	"miso_on",
	"mosi_off",
	"mosi_on",
	};

	struct mt8365_mt6357_priv {
	struct pinctrl *pinctrl;
	struct pinctrl_state *pin_states[PIN_STATE_MAX];
	};

	enum {
	/* FE */
	DAI_LINK_DL1_PLAYBACK = 0,
	DAI_LINK_DL2_PLAYBACK,
	DAI_LINK_AWB_CAPTURE,
	DAI_LINK_VUL_CAPTURE,
	/* BE */
	DAI_LINK_2ND_I2S_INTF,
	DAI_LINK_DMIC,
	DAI_LINK_INT_ADDA,
	DAI_LINK_NUM
	};

	static const struct snd_soc_dapm_widget mt8365_mt6357_widgets[] = {
	SND_SOC_DAPM_OUTPUT("HDMI Out"),
	};

	static const struct snd_soc_dapm_route mt8365_mt6357_routes[] = {
	{"HDMI Out", NULL, "2ND I2S Playback"},
	{"DMIC In", NULL, "MICBIAS0"},
	};

	static int mt8365_mt6357_int_adda_startup(struct snd_pcm_substream *substream)
	{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
	int ret = 0;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
	if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_ON]))
	return ret;

	ret = pinctrl_select_state(priv->pinctrl,
	priv->pin_states[PIN_STATE_MOSI_ON]);
	if (ret)
	dev_err(rtd->card->dev, "%s failed to select state %d\n",
	__func__, ret);
	}

	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
	if (IS_ERR(priv->pin_states[PIN_STATE_MISO_ON]))
	return ret;

	ret = pinctrl_select_state(priv->pinctrl,
	priv->pin_states[PIN_STATE_MISO_ON]);
	if (ret)
	dev_err(rtd->card->dev, "%s failed to select state %d\n",
	__func__, ret);
	}

	return 0;
	}

	static void mt8365_mt6357_int_adda_shutdown(struct snd_pcm_substream *substream)
	{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
	int ret = 0;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
	if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_OFF]))
	return;

	ret = pinctrl_select_state(priv->pinctrl,
	priv->pin_states[PIN_STATE_MOSI_OFF]);
	if (ret)
	dev_err(rtd->card->dev, "%s failed to select state %d\n",
	__func__, ret);
	}

	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
	if (IS_ERR(priv->pin_states[PIN_STATE_MISO_OFF]))
	return;

	ret = pinctrl_select_state(priv->pinctrl,
	priv->pin_states[PIN_STATE_MISO_OFF]);
	if (ret)
	dev_err(rtd->card->dev, "%s failed to select state %d\n",
	__func__, ret);
	}
	}

	static const struct snd_soc_ops mt8365_mt6357_int_adda_ops = {
	.startup = mt8365_mt6357_int_adda_startup,
	.shutdown = mt8365_mt6357_int_adda_shutdown,
	};

	SND_SOC_DAILINK_DEFS(playback1,
	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));
	SND_SOC_DAILINK_DEFS(playback2,
	DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));
	SND_SOC_DAILINK_DEFS(awb_capture,
	DAILINK_COMP_ARRAY(COMP_CPU("AWB")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));
	SND_SOC_DAILINK_DEFS(vul,
	DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));

	SND_SOC_DAILINK_DEFS(i2s3,
	DAILINK_COMP_ARRAY(COMP_CPU("2ND I2S")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));
	SND_SOC_DAILINK_DEFS(dmic,
	DAILINK_COMP_ARRAY(COMP_CPU("DMIC")),
	DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));
	SND_SOC_DAILINK_DEFS(primary_codec,
	DAILINK_COMP_ARRAY(COMP_CPU("INT ADDA")),
	DAILINK_COMP_ARRAY(COMP_CODEC("mt6357-sound", "mt6357-snd-codec-aif1")),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));

	/* Digital audio interface glue - connects codec <---> CPU */
	static struct snd_soc_dai_link mt8365_mt6357_dais[] = {
	/* Front End DAI links */
	[DAI_LINK_DL1_PLAYBACK] = {
	.name = "DL1_FE",
	.stream_name = "MultiMedia1_PLayback",
	.id = DAI_LINK_DL1_PLAYBACK,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST,
	SND_SOC_DPCM_TRIGGER_POST
	},
	.dynamic = 1,
	.playback_only = 1,
	.dpcm_merged_rate = 1,
	SND_SOC_DAILINK_REG(playback1),
	},
	[DAI_LINK_DL2_PLAYBACK] = {
	.name = "DL2_FE",
	.stream_name = "MultiMedia2_PLayback",
	.id = DAI_LINK_DL2_PLAYBACK,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST,
	SND_SOC_DPCM_TRIGGER_POST
	},
	.dynamic = 1,
	.playback_only = 1,
	.dpcm_merged_rate = 1,
	SND_SOC_DAILINK_REG(playback2),
	},
	[DAI_LINK_AWB_CAPTURE] = {
	.name = "AWB_FE",
	.stream_name = "DL1_AWB_Record",
	.id = DAI_LINK_AWB_CAPTURE,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST,
	SND_SOC_DPCM_TRIGGER_POST
	},
	.dynamic = 1,
	.capture_only = 1,
	.dpcm_merged_rate = 1,
	SND_SOC_DAILINK_REG(awb_capture),
	},
	[DAI_LINK_VUL_CAPTURE] = {
	.name = "VUL_FE",
	.stream_name = "MultiMedia1_Capture",
	.id = DAI_LINK_VUL_CAPTURE,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST,
	SND_SOC_DPCM_TRIGGER_POST
	},
	.dynamic = 1,
	.capture_only = 1,
	.dpcm_merged_rate = 1,
	SND_SOC_DAILINK_REG(vul),
	},
	/* Back End DAI links */
	[DAI_LINK_2ND_I2S_INTF] = {
	.name = "I2S_OUT_BE",
	.no_pcm = 1,
	.id = DAI_LINK_2ND_I2S_INTF,
	.dai_fmt = SND_SOC_DAIFMT_I2S \|
	SND_SOC_DAIFMT_NB_NF \|
	SND_SOC_DAIFMT_CBS_CFS,
	SND_SOC_DAILINK_REG(i2s3),
	},
	[DAI_LINK_DMIC] = {
	.name = "DMIC_BE",
	.no_pcm = 1,
	.id = DAI_LINK_DMIC,
	.capture_only = 1,
	SND_SOC_DAILINK_REG(dmic),
	},
	[DAI_LINK_INT_ADDA] = {
	.name = "MTK_Codec",
	.no_pcm = 1,
	.id = DAI_LINK_INT_ADDA,
	.ops = &mt8365_mt6357_int_adda_ops,
	SND_SOC_DAILINK_REG(primary_codec),
	},
	};

	static int mt8365_mt6357_gpio_probe(struct snd_soc_card *card)
	{
	struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(card);
	int ret, i;

	priv->pinctrl = devm_pinctrl_get(card->dev);
	if (IS_ERR(priv->pinctrl)) {
	ret = PTR_ERR(priv->pinctrl);
	return dev_err_probe(card->dev, ret,
	"Failed to get pinctrl\n");
	}

	for (i = PIN_STATE_DEFAULT ; i < PIN_STATE_MAX ; i++) {
	priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl,
	mt8365_mt6357_pin_str[i]);
	if (IS_ERR(priv->pin_states[i])) {
	dev_info(card->dev, "No pin state for %s\n",
	mt8365_mt6357_pin_str[i]);
	} else {
	ret = pinctrl_select_state(priv->pinctrl,
	priv->pin_states[i]);
	if (ret) {
	dev_err_probe(card->dev, ret,
	"Failed to select pin state %s\n",
	mt8365_mt6357_pin_str[i]);
	return ret;
	}
	}
	}
	return 0;
	}

	static struct snd_soc_card mt8365_mt6357_soc_card = {
	.name = "mt8365-evk",
	.owner = THIS_MODULE,
	.dai_link = mt8365_mt6357_dais,
	.num_links = ARRAY_SIZE(mt8365_mt6357_dais),
	.dapm_widgets = mt8365_mt6357_widgets,
	.num_dapm_widgets = ARRAY_SIZE(mt8365_mt6357_widgets),
	.dapm_routes = mt8365_mt6357_routes,
	.num_dapm_routes = ARRAY_SIZE(mt8365_mt6357_routes),
	};

	static int mt8365_mt6357_dev_probe(struct mtk_soc_card_data *soc_card_data, bool legacy)
	{
	struct mtk_platform_card_data *card_data = soc_card_data->card_data;
	struct snd_soc_card *card = card_data->card;
	struct device *dev = card->dev;
	struct mt8365_mt6357_priv *mach_priv;
	int ret;

	card->dev = dev;
	ret = parse_dai_link_info(card);
	if (ret)
	goto err;

	mach_priv = devm_kzalloc(dev, sizeof(*mach_priv),
	GFP_KERNEL);
	if (!mach_priv)
	return -ENOMEM;
	soc_card_data->mach_priv = mach_priv;
	snd_soc_card_set_drvdata(card, soc_card_data);
	mt8365_mt6357_gpio_probe(card);
	return 0;

	err:
	clean_card_reference(card);
	return ret;
	}

	static const struct mtk_soundcard_pdata mt8365_mt6357_card = {
	.card_name = "mt8365-mt6357",
	.card_data = &(struct mtk_platform_card_data) {
	.card = &mt8365_mt6357_soc_card,
	},
	.soc_probe = mt8365_mt6357_dev_probe
	};

	static const struct of_device_id mt8365_mt6357_dt_match[] = {
	{ .compatible = "mediatek,mt8365-mt6357", .data = &mt8365_mt6357_card },
	{ /* sentinel */ }
	};
	MODULE_DEVICE_TABLE(of, mt8365_mt6357_dt_match);

	static struct platform_driver mt8365_mt6357_driver = {
	.driver = {
	.name = "mt8365_mt6357",
	.of_match_table = mt8365_mt6357_dt_match,
	.pm = &snd_soc_pm_ops,
	},
	.probe = mtk_soundcard_common_probe,
	};

	module_platform_driver(mt8365_mt6357_driver);

	/* Module information */
	MODULE_DESCRIPTION("MT8365 EVK SoC machine driver");
	MODULE_AUTHOR("Nicolas Belin <nbelin@baylibre.com>");
	MODULE_LICENSE("GPL");
	MODULE_ALIAS("platform: mt8365_mt6357");