[PATCH v2 2/3] backlight: mp3309c: use dev_err_probe() instead of dev_err()

[Flavio Suligoi]

Hi Andy,

> Replace dev_err() with dev_err_probe().
> 
> This helps in simplifing code and standardizing the error output.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Tested-by: Flavio Suligoi <f.suligoi at asem.it>

Flavio