Commit 5220f7fb authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
Browse files

ASoC: rt5677: Add DMIC ASRC detect function 



The patch adds DMIC ASRC detect function to dominate whether the DMIC ASRC
enable or not.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 16ab6e18

sound/soc/codecs/rt5677.c

+75 −6
Original line number Diff line number Diff line
@@ -1227,6 +1227,75 @@ int rt5677_sel_asrc_clk_src(struct snd_soc_codec *codec, 
}

EXPORT_SYMBOL_GPL(rt5677_sel_asrc_clk_src);



static int rt5677_dmic_use_asrc(struct snd_soc_dapm_widget *source,

			 struct snd_soc_dapm_widget *sink)

{

	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);

	unsigned int asrc_setting;



	switch (source->shift) {

	case 11:

		regmap_read(rt5677->regmap, RT5677_ASRC_5, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_STO1_CLK_SEL_MASK) >>

				RT5677_AD_STO1_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	case 10:

		regmap_read(rt5677->regmap, RT5677_ASRC_5, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_STO2_CLK_SEL_MASK) >>

				RT5677_AD_STO2_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	case 9:

		regmap_read(rt5677->regmap, RT5677_ASRC_5, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_STO3_CLK_SEL_MASK) >>

				RT5677_AD_STO3_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	case 8:

		regmap_read(rt5677->regmap, RT5677_ASRC_5, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_STO4_CLK_SEL_MASK) >>

			RT5677_AD_STO4_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	case 7:

		regmap_read(rt5677->regmap, RT5677_ASRC_6, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_MONOL_CLK_SEL_MASK) >>

			RT5677_AD_MONOL_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	case 6:

		regmap_read(rt5677->regmap, RT5677_ASRC_6, &asrc_setting);

		asrc_setting = (asrc_setting & RT5677_AD_MONOR_CLK_SEL_MASK) >>

			RT5677_AD_MONOR_CLK_SEL_SFT;

		if (asrc_setting >= RT5677_CLK_SEL_I2S1_ASRC &&

			asrc_setting <= RT5677_CLK_SEL_I2S6_ASRC)

			return 1;

		break;



	default:

		break;

	}



	return 0;

}



/* Digital Mixer */

static const struct snd_kcontrol_new rt5677_sto1_adc_l_mix[] = {

	SOC_DAPM_SINGLE("ADC1 Switch", RT5677_STO1_ADC_MIXER,
@@ -3084,12 +3153,12 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { 
};



static const struct snd_soc_dapm_route rt5677_dapm_routes[] = {

	{ "Stereo1 DMIC Mux", NULL, "DMIC STO1 ASRC", can_use_asrc },

	{ "Stereo2 DMIC Mux", NULL, "DMIC STO2 ASRC", can_use_asrc },

	{ "Stereo3 DMIC Mux", NULL, "DMIC STO3 ASRC", can_use_asrc },

	{ "Stereo4 DMIC Mux", NULL, "DMIC STO4 ASRC", can_use_asrc },

	{ "Mono DMIC L Mux", NULL, "DMIC MONO L ASRC", can_use_asrc },

	{ "Mono DMIC R Mux", NULL, "DMIC MONO R ASRC", can_use_asrc },

	{ "Stereo1 DMIC Mux", NULL, "DMIC STO1 ASRC", rt5677_dmic_use_asrc },

	{ "Stereo2 DMIC Mux", NULL, "DMIC STO2 ASRC", rt5677_dmic_use_asrc },

	{ "Stereo3 DMIC Mux", NULL, "DMIC STO3 ASRC", rt5677_dmic_use_asrc },

	{ "Stereo4 DMIC Mux", NULL, "DMIC STO4 ASRC", rt5677_dmic_use_asrc },

	{ "Mono DMIC L Mux", NULL, "DMIC MONO L ASRC", rt5677_dmic_use_asrc },

	{ "Mono DMIC R Mux", NULL, "DMIC MONO R ASRC", rt5677_dmic_use_asrc },

	{ "I2S1", NULL, "I2S1 ASRC", can_use_asrc},

	{ "I2S2", NULL, "I2S2 ASRC", can_use_asrc},

	{ "I2S3", NULL, "I2S3 ASRC", can_use_asrc},