From: John Lin <john.lin@realtek.com>
Date: Thu, 25 Feb 2016 13:18:27 +0800
Subject: [PATCH 15/82] ASoC: rt5645: extend delay time for headphone pop noise
Git-commit: 3524be4b21ef911ff37f7d401b743cfb4e30cf98
Patch-mainline: 4.6-rc1
References: bsc#1010690

Headphone needs enough delay time before unmuting for avoiding pop sound.
We extend the delay time to make sure headphone doesn't pop.

Signed-off-by: John Lin <john.lin@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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

--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -1675,7 +1675,7 @@ static void hp_amp_power(struct snd_soc_
 				regmap_write(rt5645->regmap, RT5645_PR_BASE +
 					RT5645_MAMP_INT_REG2, 0xfc00);
 				snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140);
-				msleep(70);
+				msleep(90);
 				rt5645->hp_on = true;
 			} else {
 				/* depop parameters */
