[alsa-devel] [PATCH 1/2] ASoC: rt5645: Prevent the weird sound of the headphone while rebooting

Oder Chiou oder_chiou at realtek.com
Mon Oct 5 13:34:16 CEST 2015


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 at realtek.com>
---
 sound/soc/codecs/rt5645.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index f436f50..4c4fe6b 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3517,6 +3517,8 @@ 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 = {
-- 
1.8.1.1.439.g50a6b54



More information about the Alsa-devel mailing list