| author | Zhe Wang <Zhe.Wang@amlogic.com> | 2019-01-28 03:13:04 (GMT) |
|---|---|---|
| committer | Zhe Wang <Zhe.Wang@amlogic.com> | 2019-01-28 05:46:59 (GMT) |
| commit | 10d893c329c1e66bb07dd8a4823337d2af93a733 (patch) | |
| tree | 600a15aad6ebd2c3a6c33e2b938b2a83065badc0 | |
| parent | 52db8f43b10742a07ebbea9d1ddb64bfb0536021 (diff) | |
| download | common-10d893c329c1e66bb07dd8a4823337d2af93a733.zip common-10d893c329c1e66bb07dd8a4823337d2af93a733.tar.gz common-10d893c329c1e66bb07dd8a4823337d2af93a733.tar.bz2 | |
audio: disable AMP before system shutdown[1/1]
PD#OTT-1875
bug:123291348
Problem:
speaker with pop noise when reboot
Solution:
disable AMP before system shutdown
Verify:
verify on Atom
Change-Id: Ib1fe2a33960fac619e463df6f05ea7dccd0c42c7
Signed-off-by: Zhe Wang <Zhe.Wang@amlogic.com>
| -rw-r--r-- | sound/soc/codecs/amlogic/cs42528.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/codecs/amlogic/cs42528.c b/sound/soc/codecs/amlogic/cs42528.c index bb27839..cdfbf6c 100644 --- a/sound/soc/codecs/amlogic/cs42528.c +++ b/sound/soc/codecs/amlogic/cs42528.c @@ -615,6 +615,15 @@ static int cs42528_i2c_remove(struct i2c_client *client) return 0; } +static void cs42528_i2c_shutdown(struct i2c_client *client) +{ + + struct cs42528_priv *cs42528 = dev_get_drvdata(&client->dev); + struct cs42528_platform_data *pdata = cs42528->pdata; + + gpio_direction_output(pdata->amp_pin, GPIOF_OUT_INIT_LOW); +} + static const struct i2c_device_id cs42528_i2c_id[] = { { "cs42528", 0 }, {} @@ -634,6 +643,7 @@ static struct i2c_driver cs42528_i2c_driver = { }, .probe = cs42528_i2c_probe, .remove = cs42528_i2c_remove, + .shutdown = cs42528_i2c_shutdown, .id_table = cs42528_i2c_id, }; module_i2c_driver(cs42528_i2c_driver); |