ASoC: mediatek: mt8183: support WoV (2cc3cd5f) · Commits · 戴 / test

sound/soc/mediatek/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -125,6 +125,7 @@ config SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A
		select SND_SOC_MAX98357A
		select SND_SOC_BT_SCO
		select SND_SOC_TS3A227E
		select SND_SOC_CROS_EC_CODEC
		help
		This adds ASoC driver for Mediatek MT8183 boards
		with the MT6358 TS3A227E MAX98357A audio codec.

sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c

+67 −3

Original line number	Diff line number	Diff line
		@@ -19,11 +19,12 @@ enum PINCTRL_PIN_STATE {
		PIN_STATE_DEFAULT = 0,
		PIN_TDM_OUT_ON,
		PIN_TDM_OUT_OFF,
		PIN_WOV,
		PIN_STATE_MAX
		};

		static const char * const mt8183_pin_str[PIN_STATE_MAX] = {
		"default", "aud_tdm_out_on", "aud_tdm_out_off",
		"default", "aud_tdm_out_on", "aud_tdm_out_off", "wov",
		};

		struct mt8183_mt6358_ts3a227_max98357_priv {
		@@ -142,6 +143,11 @@ SND_SOC_DAILINK_DEFS(playback_hdmi,
		DAILINK_COMP_ARRAY(COMP_DUMMY()),
		DAILINK_COMP_ARRAY(COMP_EMPTY()));

		SND_SOC_DAILINK_DEFS(wake_on_voice,
		DAILINK_COMP_ARRAY(COMP_DUMMY()),
		DAILINK_COMP_ARRAY(COMP_DUMMY()),
		DAILINK_COMP_ARRAY(COMP_EMPTY()));

		/* BE */
		SND_SOC_DAILINK_DEFS(primary_codec,
		DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
		@@ -229,6 +235,41 @@ static struct snd_soc_ops mt8183_mt6358_tdm_ops = {
		.shutdown = mt8183_mt6358_tdm_shutdown,
		};

		static int
		mt8183_mt6358_ts3a227_max98357_wov_startup(
		struct snd_pcm_substream *substream)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct snd_soc_card *card = rtd->card;
		struct mt8183_mt6358_ts3a227_max98357_priv *priv =
		snd_soc_card_get_drvdata(card);

		return pinctrl_select_state(priv->pinctrl,
		priv->pin_states[PIN_WOV]);
		}

		static void
		mt8183_mt6358_ts3a227_max98357_wov_shutdown(
		struct snd_pcm_substream *substream)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct snd_soc_card *card = rtd->card;
		struct mt8183_mt6358_ts3a227_max98357_priv *priv =
		snd_soc_card_get_drvdata(card);
		int ret;

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

		static const struct snd_soc_ops mt8183_mt6358_ts3a227_max98357_wov_ops = {
		.startup = mt8183_mt6358_ts3a227_max98357_wov_startup,
		.shutdown = mt8183_mt6358_ts3a227_max98357_wov_shutdown,
		};

		static struct snd_soc_dai_link
		mt8183_mt6358_ts3a227_max98357_dai_links[] = {
		/* FE */
		@@ -306,6 +347,15 @@ mt8183_mt6358_ts3a227_max98357_dai_links[] = {
		.dpcm_playback = 1,
		SND_SOC_DAILINK_REG(playback_hdmi),
		},
		{
		.name = "Wake on Voice",
		.stream_name = "Wake on Voice",
		.ignore_suspend = 1,
		.ignore = 1,
		SND_SOC_DAILINK_REG(wake_on_voice),
		.ops = &mt8183_mt6358_ts3a227_max98357_wov_ops,
		},

		/* BE */
		{
		.name = "Primary Codec",
		@@ -429,7 +479,7 @@ static int
		mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
		{
		struct snd_soc_card *card = &mt8183_mt6358_ts3a227_max98357_card;
		struct device_node *platform_node;
		struct device_node platform_node, ec_codec;
		struct snd_soc_dai_link *dai_link;
		struct mt8183_mt6358_ts3a227_max98357_priv *priv;
		int ret;
		@@ -444,11 +494,25 @@ mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
		return -EINVAL;
		}

		ec_codec = of_parse_phandle(pdev->dev.of_node, "mediatek,ec-codec", 0);

		for_each_card_prelinks(card, i, dai_link) {
		if (dai_link->platforms->name)
		continue;

		if (ec_codec && strcmp(dai_link->name, "Wake on Voice") == 0) {
		dai_link->cpus[0].name = NULL;
		dai_link->cpus[0].of_node = ec_codec;
		dai_link->cpus[0].dai_name = NULL;
		dai_link->codecs[0].name = NULL;
		dai_link->codecs[0].of_node = ec_codec;
		dai_link->codecs[0].dai_name = "Wake on Voice";
		dai_link->platforms[0].of_node = ec_codec;
		dai_link->ignore = 0;
		} else {
		dai_link->platforms->of_node = platform_node;
		}
		}

		mt8183_mt6358_ts3a227_max98357_headset_dev.dlc.of_node =
		of_parse_phandle(pdev->dev.of_node,

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