ASoC: mediatek: mt8183: switch tdm pins gpio function when playback on or off (6191cbde) · Commits · 戴 / test

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

+109 −6

Original line number	Original line	Diff line number	Diff line
	@@ -46,6 +46,32 @@ static int mt8183_i2s_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
	return 0;		return 0;
	}		}

			static const struct snd_soc_dapm_widget
			mt8183_mt6358_ts3a227_max98357_dapm_widgets[] = {
			SND_SOC_DAPM_OUTPUT("IT6505_8CH"),
			};

			static const struct snd_soc_dapm_route
			mt8183_mt6358_ts3a227_max98357_dapm_routes[] = {
			{"IT6505_8CH", NULL, "TDM"},
			};

			enum PINCTRL_PIN_STATE {
			PIN_STATE_DEFAULT = 0,
			PIN_TDM_OUT_ON,
			PIN_TDM_OUT_OFF,
			PIN_STATE_MAX
			};

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

			struct mt8183_mt6358_ts3a227_max98357_priv {
			struct pinctrl *pinctrl;
			struct pinctrl_state *pin_states[PIN_STATE_MAX];
			};

	static int		static int
	mt8183_mt6358_ts3a227_max98357_bt_sco_startup(		mt8183_mt6358_ts3a227_max98357_bt_sco_startup(
	struct snd_pcm_substream *substream)		struct snd_pcm_substream *substream)
	@@ -173,6 +199,47 @@ SND_SOC_DAILINK_DEFS(tdm,
	DAILINK_COMP_ARRAY(COMP_DUMMY()),		DAILINK_COMP_ARRAY(COMP_DUMMY()),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));		DAILINK_COMP_ARRAY(COMP_EMPTY()));

			static int mt8183_mt6358_tdm_startup(struct snd_pcm_substream *substream)
			{
			struct snd_soc_pcm_runtime *rtd = substream->private_data;
			struct mt8183_mt6358_ts3a227_max98357_priv *priv =
			snd_soc_card_get_drvdata(rtd->card);
			int ret;

			if (IS_ERR(priv->pin_states[PIN_TDM_OUT_ON]))
			return PTR_ERR(priv->pin_states[PIN_TDM_OUT_ON]);

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

			return ret;
			}

			static void mt8183_mt6358_tdm_shutdown(struct snd_pcm_substream *substream)
			{
			struct snd_soc_pcm_runtime *rtd = substream->private_data;
			struct mt8183_mt6358_ts3a227_max98357_priv *priv =
			snd_soc_card_get_drvdata(rtd->card);
			int ret;

			if (IS_ERR(priv->pin_states[PIN_TDM_OUT_OFF]))
			return;

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

			static struct snd_soc_ops mt8183_mt6358_tdm_ops = {
			.startup = mt8183_mt6358_tdm_startup,
			.shutdown = mt8183_mt6358_tdm_shutdown,
			};

	static struct snd_soc_dai_link		static struct snd_soc_dai_link
	mt8183_mt6358_ts3a227_max98357_dai_links[] = {		mt8183_mt6358_ts3a227_max98357_dai_links[] = {
	/* FE */		/* FE */
	@@ -325,6 +392,8 @@ mt8183_mt6358_ts3a227_max98357_dai_links[] = {
	.no_pcm = 1,		.no_pcm = 1,
	.dpcm_playback = 1,		.dpcm_playback = 1,
	.ignore_suspend = 1,		.ignore_suspend = 1,
			.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
			.ops = &mt8183_mt6358_tdm_ops,
	SND_SOC_DAILINK_REG(tdm),		SND_SOC_DAILINK_REG(tdm),
	},		},
	};		};
	@@ -371,7 +440,8 @@ mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
	struct snd_soc_card *card = &mt8183_mt6358_ts3a227_max98357_card;		struct snd_soc_card *card = &mt8183_mt6358_ts3a227_max98357_card;
	struct device_node *platform_node;		struct device_node *platform_node;
	struct snd_soc_dai_link *dai_link;		struct snd_soc_dai_link *dai_link;
	struct pinctrl *default_pins;		struct mt8183_mt6358_ts3a227_max98357_priv *priv;
			int ret;
	int i;		int i;

	card->dev = &pdev->dev;		card->dev = &pdev->dev;
	@@ -397,12 +467,45 @@ mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
	card->num_aux_devs = 1;		card->num_aux_devs = 1;
	}		}

	default_pins =		priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
	devm_pinctrl_get_select(&pdev->dev, PINCTRL_STATE_DEFAULT);		if (!priv)
	if (IS_ERR(default_pins)) {		return -ENOMEM;
	dev_err(&pdev->dev, "%s set pins failed\n",
			snd_soc_card_set_drvdata(card, priv);

			priv->pinctrl = devm_pinctrl_get(&pdev->dev);
			if (IS_ERR(priv->pinctrl)) {
			dev_err(&pdev->dev, "%s devm_pinctrl_get failed\n",
	__func__);		__func__);
	return PTR_ERR(default_pins);		return PTR_ERR(priv->pinctrl);
			}

			for (i = 0 ; i < PIN_STATE_MAX ; i++) {
			priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl,
			mt8183_pin_str[i]);
			if (IS_ERR(priv->pin_states[i])) {
			ret = PTR_ERR(priv->pin_states[i]);
			dev_info(&pdev->dev, "%s Can't find pin state %s %d\n",
			__func__, mt8183_pin_str[i], ret);
			}
			}

			if (!IS_ERR(priv->pin_states[PIN_TDM_OUT_OFF])) {
			ret = pinctrl_select_state(priv->pinctrl,
			priv->pin_states[PIN_TDM_OUT_OFF]);
			if (ret)
			dev_info(&pdev->dev,
			"%s failed to select state %d\n",
			__func__, ret);
			}

			if (!IS_ERR(priv->pin_states[PIN_STATE_DEFAULT])) {
			ret = pinctrl_select_state(priv->pinctrl,
			priv->pin_states[PIN_STATE_DEFAULT]);
			if (ret)
			dev_info(&pdev->dev,
			"%s failed to select state %d\n",
			__func__, ret);
	}		}

	return devm_snd_soc_register_card(&pdev->dev, card);		return devm_snd_soc_register_card(&pdev->dev, card);

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