[PATCH v2] backlight: pwm_bl: Disable PWM on shutdown and suspend

[Lee Jones]

On Tue, 26 Sep 2023, Uwe Kleine-König wrote:

> On Tue, Sep 26, 2023 at 10:46:12AM +0200, 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>
> > Tested-by: Aisheng Dong <asheng.dong at nxp.com>
> 
> The two email addresses should actually be identical, the first one is
> the right one. (Failure introduced by
> https://lore.kernel.org/dri-devel/DB9PR04MB8477D4BBF1B31035789DA08680869@DB9PR04MB8477.eurprd04.prod.outlook.com
> and picked up by b4.) Lee, can you fixup or should I resend?

I'll probably forget by the time Daniel gets around to review.

Your call, but probably safer to turn it around yourself.

-- 
Lee Jones [李琼斯]