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>

diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c
index e2b5a11..521663d 100644 (file)
--- 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 e9df49e..c2d7402 100644 (file)
--- 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