Here, This patch is to handle a return error from dell_get_intensity.
This change is done using Coccinelle.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>