[PATCH] backlight: pwm_bl: Disable PWM on shutdown and suspend disabled PWM emiting inactive state")
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Tue Sep 26 07:17:44 UTC 2023
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?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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