Hi,

Am Samstag, 6. Januar 2018, 01:47:56 CET schrieb Brian Norris:
> This was used out-of-tree as a hack for resolving issues where some
> systems expect the backlight to turn on automatically at boot, while
> others expect to manage the backlight status via a DRM/panel driver.
> Those issues have since been fixed upstream in pwm_bl.c without device
> tree hacks, and so this un-documented property should no longer be
> useful.
> 
> Signed-off-by: Brian Norris <briannorris@chromium.org>

seems to work again. Thanks!

Reviewed-by: Marc Dietrich <marvin24@gmx.de>

> ---
>  arch/arm/boot/dts/tegra20-paz00.dts | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/tegra20-paz00.dts
> b/arch/arm/boot/dts/tegra20-paz00.dts index 30436969adc0..12c63b23ed5e
> 100644
> --- a/arch/arm/boot/dts/tegra20-paz00.dts
> +++ b/arch/arm/boot/dts/tegra20-paz00.dts
> @@ -504,8 +504,6 @@
> 
>  		brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224
> 240 255>; default-brightness-level = <10>;
> -
> -		backlight-boot-off;
>  	};
> 
>  	clocks {