Applied "ASoC: rt5645: Increase the delay time to imporve the HP pop noise" to the asoc tree

Message ID E1ZyNB2-0005mA-1Z@debutante
State New
Headers show

Commit Message

Mark Brown Nov. 16, 2015, 5:02 p.m.
The patch

   ASoC: rt5645: Increase the delay time to imporve the HP pop noise

has been applied to the asoc tree at


All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

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From 91ed37e45c485533997e8a7c1efd2ca39b441b60 Mon Sep 17 00:00:00 2001
From: John Lin <>

Date: Mon, 16 Nov 2015 13:55:35 +0800
Subject: [PATCH] ASoC: rt5645: Increase the delay time to imporve the HP pop

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 <>

Signed-off-by: Mark Brown <>

 sound/soc/codecs/rt5645.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 672fafd8314a..fa8b5dfa673e 100644
--- 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(40);
+				msleep(70);
 				rt5645->hp_on = true;
 			} else {
 				/* depop parameters */