[PATCH] backlight: pwm_bl: Disable PWM on shutdown and suspend disabled PWM emiting inactive state")
Lee Jones
lee at kernel.org
Tue Sep 26 08:30:15 UTC 2023
On Tue, 26 Sep 2023, Uwe Kleine-König wrote:
> Hello,
>
> On Wed, Mar 22, 2023 at 09:51:29AM +0100, Uwe Kleine-König wrote:
> > Since commit 00e7e698bff1 ("backlight: pwm_bl: Configure pwm only once
> > per backlight toggle") calling pwm_backlight_power_off() doesn't disable
> > the PWM any more. However this is necessary to suspend, because PWM
> > drivers usually refuse to suspend if they are still enabled.
> >
> > Also adapt shutdown to disable the PWM for similar reasons.
> >
> > Fixes: 00e7e698bff1 ("backlight: pwm_bl: Configure pwm only once per backlight toggle")
> > Reported-by: Aisheng Dong <aisheng.dong at nxp.com>
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
>
> This patch was never applied but I think it is still needed. I assume it
> fell through the cracks?
This "patch" was sent half way through a thread and when opened in my
mail client looks like a mail reply due to the quotes below the '---'.
I'd suggest sending this again.
--
Lee Jones [李琼斯]
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