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

Signed-off-by: Oder Chiou oder_chiou@realtek.com --- sound/soc/codecs/rt5677.c | 81 +++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 75 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 685e268..8bb7be8 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -1230,6 +1230,75 @@ 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, @@ -3087,12 +3156,12 @@ 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},