On Wed, Jan 10, 2018 at 12:31:31PM +0100, Marc Dietrich wrote:
> 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@xxxxxxxxxxxx>
>
> seems to work again. Thanks!
BTW, I guess I could have put this in the commit message, but the
problem that this out-of-tree property was trying to resolve was fixed
by this (and some other related patches):
d1b812945750 backlight: pwm_bl: Check the PWM state for initial backlight power state
Brian
> Reviewed-by: Marc Dietrich <marvin24@xxxxxx>
>
> > ---
> > 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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