[v3,2/3] backlight: mp3309c: use dev_err_probe() instead of dev_err()
Commit Message
Replace dev_err() with dev_err_probe().
This helps in simplifing code and standardizing the error output.
Tested-by: Flavio Suligoi <f.suligoi@asem.it>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/video/backlight/mp3309c.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
@@ -208,10 +208,8 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
unsigned int num_levels, tmp_value;
struct device *dev = chip->dev;
- if (!dev_fwnode(dev)) {
- dev_err(dev, "failed to get firmware node\n");
- return -ENODEV;
- }
+ if (!dev_fwnode(dev))
+ return dev_err_probe(dev, -ENODEV, "failed to get firmware node\n");
/*
* Dimming mode: the MP3309C provides two dimming control mode:
@@ -287,8 +285,7 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
if (ret)
pdata->default_brightness = pdata->max_brightness;
if (pdata->default_brightness > pdata->max_brightness) {
- dev_err(chip->dev,
- "default brightness exceeds max brightness\n");
+ dev_err_probe(dev, -ERANGE, "default brightness exceeds max brightness\n");
pdata->default_brightness = pdata->max_brightness;
}
@@ -329,16 +326,15 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
static int mp3309c_probe(struct i2c_client *client)
{
- struct mp3309c_platform_data *pdata = dev_get_platdata(&client->dev);
+ struct device *dev = &client->dev;
+ struct mp3309c_platform_data *pdata = dev_get_platdata(dev);
struct mp3309c_chip *chip;
struct backlight_properties props;
struct pwm_state pwmstate;
int ret;
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- dev_err(&client->dev, "failed to check i2c functionality\n");
- return -EOPNOTSUPP;
- }
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+ return dev_err_probe(dev, -EOPNOTSUPP, "failed to check i2c functionality\n");
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)