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Commit d349caeb authored by PC Liao's avatar PC Liao Committed by Mark Brown
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ASoC: mediatek: Add second I2S on mt8173-rt5650 machine driver 



This patch adds second I2S connection to rt5650 codec for capture path on
mt8173-rt5650 machine driver.

Signed-off-by: default avatarPC Liao <pc.liao@mediatek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f55532a0

Documentation/devicetree/bindings/sound/mt8173-rt5650.txt

+10 −0
Original line number Original line Diff line number Diff line
@@ -5,11 +5,21 @@ Required properties: 
- mediatek,audio-codec: the phandles of rt5650 codecs

- mediatek,audio-codec: the phandles of rt5650 codecs

- mediatek,platform: the phandle of MT8173 ASoC platform

- mediatek,platform: the phandle of MT8173 ASoC platform





Optional subnodes:

- codec-capture : the subnode of rt5650 codec capture

Required codec-capture subnode properties:

- sound-dai: audio codec dai name on capture path

  <&rt5650 0> : Default setting. Connect rt5650 I2S1 for capture. (dai_name = rt5645-aif1)

  <&rt5650 1> : Connect rt5650 I2S2 for capture. (dai_name = rt5645-aif2)



Example:

Example:





	sound {

	sound {

		compatible = "mediatek,mt8173-rt5650";

		compatible = "mediatek,mt8173-rt5650";

		mediatek,audio-codec = <&rt5650>;

		mediatek,audio-codec = <&rt5650>;

		mediatek,platform = <&afe>;

		mediatek,platform = <&afe>;

		codec-capture {

			sound-dai = <&rt5650 1>;

		};

	};

	};

sound/soc/mediatek/mt8173-rt5650.c

+47 −3
Original line number Original line Diff line number Diff line
@@ -85,12 +85,29 @@ static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime) 
{

{

	struct snd_soc_card *card = runtime->card;

	struct snd_soc_card *card = runtime->card;

	struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;

	struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;

	const char *codec_capture_dai = runtime->codec_dais[1]->name;

	int ret;

	int ret;





	rt5645_sel_asrc_clk_src(codec,

	rt5645_sel_asrc_clk_src(codec,

				RT5645_DA_STEREO_FILTER |

				RT5645_DA_STEREO_FILTER,

				RT5645_CLK_SEL_I2S1_ASRC);



	if (!strcmp(codec_capture_dai, "rt5645-aif1")) {

		rt5645_sel_asrc_clk_src(codec,

					RT5645_AD_STEREO_FILTER,

					RT5645_CLK_SEL_I2S1_ASRC);

	} else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {

		rt5645_sel_asrc_clk_src(codec,

					RT5645_AD_STEREO_FILTER,

					RT5645_CLK_SEL_I2S2_ASRC);

	} else {

		dev_warn(card->dev,

			 "Only one dai codec found in DTS, enabled rt5645 AD filter\n");

		rt5645_sel_asrc_clk_src(codec,

					RT5645_AD_STEREO_FILTER,

					RT5645_AD_STEREO_FILTER,

					RT5645_CLK_SEL_I2S1_ASRC);

					RT5645_CLK_SEL_I2S1_ASRC);

	}



	/* enable jack detection */

	/* enable jack detection */

	ret = snd_soc_card_jack_new(card, "Headset Jack",

	ret = snd_soc_card_jack_new(card, "Headset Jack",

				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |

				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
@@ -110,6 +127,11 @@ static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime) 




static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {

static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {

	{

	{

		/* Playback */

		.dai_name = "rt5645-aif1",

	},

	{

		/* Capture */

		.dai_name = "rt5645-aif1",

		.dai_name = "rt5645-aif1",

	},

	},

};

};
@@ -149,7 +171,7 @@ static struct snd_soc_dai_link mt8173_rt5650_dais[] = { 
		.cpu_dai_name = "I2S",

		.cpu_dai_name = "I2S",

		.no_pcm = 1,

		.no_pcm = 1,

		.codecs = mt8173_rt5650_codecs,

		.codecs = mt8173_rt5650_codecs,

		.num_codecs = 1,

		.num_codecs = 2,

		.init = mt8173_rt5650_init,

		.init = mt8173_rt5650_init,

		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |

		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |

			   SND_SOC_DAIFMT_CBS_CFS,

			   SND_SOC_DAIFMT_CBS_CFS,
@@ -177,6 +199,8 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev) 
{

{

	struct snd_soc_card *card = &mt8173_rt5650_card;

	struct snd_soc_card *card = &mt8173_rt5650_card;

	struct device_node *platform_node;

	struct device_node *platform_node;

	struct device_node *np;

	const char *codec_capture_dai;

	int i, ret;

	int i, ret;





	platform_node = of_parse_phandle(pdev->dev.of_node,

	platform_node = of_parse_phandle(pdev->dev.of_node,
@@ -199,6 +223,26 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev) 
			"Property 'audio-codec' missing or invalid\n");

			"Property 'audio-codec' missing or invalid\n");

		return -EINVAL;

		return -EINVAL;

	}

	}

	mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node;



	if (of_find_node_by_name(platform_node, "codec-capture")) {

		np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");

		if (!np) {

			dev_err(&pdev->dev,

				"%s: Can't find codec-capture DT node\n",

				__func__);

			return -EINVAL;

		}

		ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);

		if (ret < 0) {

			dev_err(&pdev->dev,

				"%s codec_capture_dai name fail %d\n",

				__func__, ret);

			return ret;

		}

		mt8173_rt5650_codecs[1].dai_name = codec_capture_dai;

	}



	card->dev = &pdev->dev;

	card->dev = &pdev->dev;

	platform_set_drvdata(pdev, card);

	platform_set_drvdata(pdev, card);