[PATCHv3 4/4] backlight: led_bl: fix led -> backlight brightness mapping

[Daniel Thompson]

On Wed, Apr 22, 2020 at 09:51:14AM +0300, Tomi Valkeinen wrote:
> The code that maps the LED default brightness to backlight levels has
> two issues: 1) if the default brightness is the first backlight level
> (usually 0), the code fails to find it, and 2) when the code fails to
> find a backlight level, it ends up using max_brightness + 1 as the
> default brightness.
> 
> Fix these two issues.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>

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


Daniel.