diff options
| author | b-ak <anur.bhargav@gmail.com> | 2019-01-09 18:11:21 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-01-09 19:38:46 +0100 |
| commit | 04d979d7a7bac2f645cd827ea37e5ffa5b4e1f97 (patch) | |
| tree | a946aa030da49e92ff208911528d3af7a8b15edd | |
| parent | ASoC: da7219: Add recalc_rate function to return DAI clock rate (diff) | |
| download | linux-04d979d7a7bac2f645cd827ea37e5ffa5b4e1f97.tar.xz linux-04d979d7a7bac2f645cd827ea37e5ffa5b4e1f97.zip | |
ASoC: tlv320aic32x4: SND_SOC_DAPM_MICBIAS is deprecated
SND_SOC_DAPM_MICBIAS is deprecated, replace it with SND_SOC_DAPM_SUPPLY.
MICBIAS voltage wasn't supplied to the microphone with the older
SND_SOC_DAPM_MICBIAS widget, hence the microphone wouldn't work.
This patch fixes the problem.
Signed-off-by: b-ak <anur.bhargav@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/tlv320aic32x4.c | 30 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320aic32x4.h | 1 |
2 files changed, 30 insertions, 1 deletions
diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index e2b5a11b16d1..521663d8b585 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -79,6 +79,32 @@ struct aic32x4_priv { struct device *dev; }; +static int mic_bias_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + /* Change Mic Bias Registor */ + snd_soc_component_update_bits(component, AIC32X4_MICBIAS, + AIC32x4_MICBIAS_MASK, + AIC32X4_MICBIAS_LDOIN | + AIC32X4_MICBIAS_2075V); + printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__); + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_component_update_bits(component, AIC32X4_MICBIAS, + AIC32x4_MICBIAS_MASK, 0); + printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n", + __func__); + break; + } + + return 0; +} + + static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -450,7 +476,9 @@ static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, in3r_to_lmixer_controls), - SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0), + SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), diff --git a/sound/soc/codecs/tlv320aic32x4.h b/sound/soc/codecs/tlv320aic32x4.h index e9df49edbf19..c2d74025bf4b 100644 --- a/sound/soc/codecs/tlv320aic32x4.h +++ b/sound/soc/codecs/tlv320aic32x4.h @@ -195,6 +195,7 @@ int aic32x4_remove(struct device *dev); /* AIC32X4_MICBIAS */ #define AIC32X4_MICBIAS_LDOIN BIT(3) #define AIC32X4_MICBIAS_2075V 0x60 +#define AIC32x4_MICBIAS_MASK GENMASK(6, 3) /* AIC32X4_LMICPGANIN */ #define AIC32X4_LMICPGANIN_IN2R_10K 0x10 |