linux-kernel - [PATCH] ASoC: sgtl5000: fix powerup/down of micbias-voltage

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Date:   Thu, 11 Jan 2018 09:40:31 +0100
From:   <fischerc@...ssphone.de>
To:     <alsa-devel@...a-project.org>
CC:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <richard.leitner@...data.com>,
        <fabio.estevam@....com>, <bhumirks@...il.com>,
        <linux-kernel@...r.kernel.org>,
        Christian Fischer <fischerc@...ssphone.de>
Subject: [PATCH] ASoC: sgtl5000: fix powerup/down of micbias-voltage

From: Christian Fischer <fischerc@...ssphone.de>

The mic-bias-voltage should get powered up/down automatically.
Added missing DAPM_PRE and DAPM_POST widgets to fire up the mic_bias_event function.

Signed-off-by: Christian Fischer <fischerc@...ssphone.de>
---
 sound/soc/codecs/sgtl5000.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index f2bb4fe..4973365 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -260,6 +260,9 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
 
 	SND_SOC_DAPM_PRE("VAG_POWER_PRE", power_vag_event),
 	SND_SOC_DAPM_POST("VAG_POWER_POST", power_vag_event),
+
+	SND_SOC_DAPM_PRE("MIC_BIAS_PRE", mic_bias_event),
+	SND_SOC_DAPM_POST("MIC_BIAS_POST", mic_bias_event),
 };
 
 /* routes for sgtl5000 */
-- 
2.7.4