linux-kernel - Re: [PATCH 2/3] ARM: tegra: paz00: drop nonstandard 'backlight-boot-off'

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Date:   Wed, 10 Jan 2018 12:31:31 +0100
From:   Marc Dietrich <marvin24@....de>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, Lin Huang <hl@...k-chips.com>
Subject: Re: [PATCH 2/3] ARM: tegra: paz00: drop nonstandard 'backlight-boot-off'

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@...omium.org>

seems to work again. Thanks!

Reviewed-by: Marc Dietrich <marvin24@....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 {


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