[PATCH] backlight: lp855x: Drop ret variable in brightness change function

[Daniel Thompson]

On Wed, Aug 09, 2023 at 01:42:16PM +0200, Artur Weber wrote:
> Fixes the following warning:
>
> drivers/video/backlight/lp855x_bl.c:252:7: warning: variable 'ret' is used
> uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
>
> Signed-off-by: Artur Weber <aweber.kernel at gmail.com>
> Fixes: 5145531be5fb ("backlight: lp855x: Catch errors when changing brightness")
> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202308091728.NEJhgUPP-lkp@intel.com/

Reviewed-by: Daniel Thompson <daniel.thompson at linaro.org>