[PATCH] backlight: ktd253: Bring up in a known state

Lee Jones lee.jones at linaro.org
Tue Feb 9 14:10:19 UTC 2021


On Tue, 26 Jan 2021, Linus Walleij wrote:

> The KTD253 backlight might already be on when the driver
> is probed: then we don't really know what the current
> ratio is and all light intensity settings will be off
> relative to what it was at boot.
> 
> To fix this, bring up the backlight OFF then move it to
> the default backlight from there so we know the state.
> 
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
>  drivers/video/backlight/ktd253-backlight.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)

Grudgingly applied, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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