The driver forgets to call regulator_bulk_disable() in remove like that in probe failure. Besides, some failed branches in probe do not handle failure correctly. Add the missed call and revise wrong direct returns to fix it.
Fixes: 2c394ca79604b ("ASoC: Add support for CS42L42 codec") Signed-off-by: Chuhong Yuan hslester96@gmail.com --- sound/soc/codecs/cs42l42.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 5125bb9b37b5..96b3cff50ce9 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -1796,8 +1796,10 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, /* Reset the Device */ cs42l42->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(cs42l42->reset_gpio)) - return PTR_ERR(cs42l42->reset_gpio); + if (IS_ERR(cs42l42->reset_gpio)) { + ret = PTR_ERR(cs42l42->reset_gpio); + goto err_disable; + }
if (cs42l42->reset_gpio) { dev_dbg(&i2c_client->dev, "Found reset GPIO\n"); @@ -1831,13 +1833,13 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, dev_err(&i2c_client->dev, "CS42L42 Device ID (%X). Expected %X\n", devid, CS42L42_CHIP_ID); - return ret; + goto err_disable; }
ret = regmap_read(cs42l42->regmap, CS42L42_REVID, ®); if (ret < 0) { dev_err(&i2c_client->dev, "Get Revision ID failed\n"); - return ret; + goto err_disable; }
dev_info(&i2c_client->dev, @@ -1863,7 +1865,7 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, if (i2c_client->dev.of_node) { ret = cs42l42_handle_device_data(i2c_client, cs42l42); if (ret != 0) - return ret; + goto err_disable; }
/* Setup headset detection */ @@ -1892,6 +1894,8 @@ static int cs42l42_i2c_remove(struct i2c_client *i2c_client) /* Hold down reset */ gpiod_set_value_cansleep(cs42l42->reset_gpio, 0);
+ regulator_bulk_disable(ARRAY_SIZE(cs42l42->supplies), + cs42l42->supplies); return 0; }