[alsa-devel] [PATCH 4/4] ASoC: rt5677: Add a PMD case to MICBIAS1 event

Oder Chiou oder_chiou at realtek.com
Tue Jun 10 08:35:26 CEST 2014


The patch adds a PMD case to MICBIAS1 event.

Signed-off-by: Oder Chiou <oder_chiou at realtek.com>
---
 sound/soc/codecs/rt5677.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 438f384..068bcd9 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -1670,6 +1670,13 @@ static int rt5677_set_micbias1_event(struct snd_soc_dapm_widget *w,
 			RT5677_PWR_CLK_MB, RT5677_PWR_CLK_MB1 |
 			RT5677_PWR_PP_MB1 | RT5677_PWR_CLK_MB);
 		break;
+
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG2,
+			RT5677_PWR_CLK_MB1 | RT5677_PWR_PP_MB1 |
+			RT5677_PWR_CLK_MB, 0);
+		break;
+
 	default:
 		return 0;
 	}
@@ -1686,7 +1693,8 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
 	/* Input Side */
 	/* micbias */
 	SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5677_PWR_ANLG2, RT5677_PWR_MB1_BIT,
-		0, rt5677_set_micbias1_event, SND_SOC_DAPM_POST_PMU),
+		0, rt5677_set_micbias1_event, SND_SOC_DAPM_PRE_PMD |
+		SND_SOC_DAPM_POST_PMU),
 
 	/* Input Lines */
 	SND_SOC_DAPM_INPUT("DMIC L1"),
-- 
1.8.1.1.439.g50a6b54



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