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 noise 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(-) 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 */ -- 2.39.2