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SubjectApplied "ASoC: nau8825: fix issue that pop noise when start capture" to the asoc tree
The patch

ASoC: nau8825: fix issue that pop noise when start capture

has been applied to the asoc tree at

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From d070f7c703ef26e3db613f24206823f916272fc6 Mon Sep 17 00:00:00 2001
From: Abhijeet Kumar <>
Date: Tue, 12 Dec 2017 00:40:25 +0530
Subject: [PATCH] ASoC: nau8825: fix issue that pop noise when start capture

In skylake platform, we hear a loud pop noise(0 dB) at start of
audio capture power up sequence. This patch removes the pop noise
from the recording by adding a delay before enabling ADC.

Signed-off-by: Abhijeet Kumar <>
Signed-off-by: Mark Brown <>
sound/soc/codecs/nau8825.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 714ce17da717..e853a6dfd33b 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -905,6 +905,7 @@ static int nau8825_adc_event(struct snd_soc_dapm_widget *w,

switch (event) {
+ msleep(125);
regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,
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