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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: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2015-05-08 13:24:02 +08:00 committed by Mark Brown
parent 16ab6e18c6
commit 5220f7fb49
1 changed files with 75 additions and 6 deletions
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81
sound/soc/codecs/rt5677.c
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@ -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},