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SubjectRe: [PATCH 0/2] backlight: pwm_bl: prevent backlight flicker when switching PWM on
Hi,

On Fri, 10 Nov 2017 12:22:15 +0100 Enric Balletbo i Serra wrote:
> Hi all,
>
> On 08/11/17 11:48, Daniel Thompson wrote:
> > On 26/10/17 13:49, Lothar Waßmann wrote:
> >> These patches implement some measures to prevent backlight flicker
> >> when the backlight is being switched on for a display with an active
> >> low brightness control pin.
> >> GIT: [PATCH 1/2] backlight: pwm_bl: Enable PWM before switching regulator
> >> GIT: [PATCH 2/2] backlight: pwm_bl: add configurable delay between
> >
> > Other than hoisting the pwm_enable() even earlier in the setup sequence this
> > patchset seems to have a significant overlap with Enric's recent posting:
> >
> > https://lkml.org/lkml/2017/7/21/211
> >
> > Any chance of a shared view on this, especially on the DT bindings?
> >
>
> The DT binding were discussed some time ago for the patch series I sent, though
> there isn't a final ack from DT maintainer.
>
> Lothar, the series I sent have been reviewed and acked, can you test if the
> series fixes the problem for you too?
>
I'll try to test it within the next couple of days and will report back.


Lothar Waßmann

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