Re: [PATCH 0/2] backlight: pwm_bl: prevent backlight flicker when switching PWM on

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




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?

Thanks,
 Enric

> 
> 
> Daniel.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux