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 66b7332..cd1a4ec 100644 (file)
--- 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 = {