[PATCH] backlight: pwm_bl: Disable PWM on shutdown and suspend disabled PWM emiting inactive state")

[Uwe Kleine-König]

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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