From: Oder Chiou <oder_chiou@realtek.com>
Date: Mon, 5 Oct 2015 11:34:16 +0000 (+0800)
Subject: ASoC: rt5645: Prevent the weird sound of the headphone while rebooting
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a2c026cfec3fb84375785dd2d6ec80bd60c5120e;p=linux-beck.git

ASoC: rt5645: Prevent the weird sound of the headphone while rebooting

The patch adds the codec reset setting in the shutdown function to prevent
the weird sound of the headphone happened by rebooting.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 66b7332e8654..cd1a4ec980ac 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3514,6 +3514,8 @@ static void rt5645_i2c_shutdown(struct i2c_client *i2c)
 		RT5645_CBJ_MN_JD);
 	regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL1, RT5645_CBJ_BST1_EN,
 		0);
+	msleep(20);
+	regmap_write(rt5645->regmap, RT5645_RESET, 0);
 }
 
 static struct i2c_driver rt5645_i2c_driver = {