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ASoC: rt5645: Increase the delay time to imporve the HP pop noise
author
John Lin
<john.lin@realtek.com>
Mon, 16 Nov 2015 05:55:35 +0000
(13:55 +0800)
committer
Mark Brown
<broonie@kernel.org>
Mon, 16 Nov 2015 13:17:25 +0000
(13:17 +0000)
Unmuting headphone has pop noise in particular hardware design. So we extend
the delay time in headphone unmuting sequence to avoid pop.
Signed-off-by: John Lin <john.lin@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt5645.c
patch
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diff --git
a/sound/soc/codecs/rt5645.c
b/sound/soc/codecs/rt5645.c
index
672fafd
..
fa8b5df
100644
(file)
--- a/
sound/soc/codecs/rt5645.c
+++ b/
sound/soc/codecs/rt5645.c
@@
-1519,7
+1519,7
@@
static void hp_amp_power(struct snd_soc_codec *codec, int on)
regmap_write(rt5645->regmap, RT5645_PR_BASE +
RT5645_MAMP_INT_REG2, 0xfc00);
snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140);
- msleep(
4
0);
+ msleep(
7
0);
rt5645->hp_on = true;
} else {
/* depop parameters */