Re: [PATCH v4 4/7] pwm: Add support for Azoteq IQS620A PWM generator

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Hello Jeff,

On Wed, Jan 22, 2020 at 03:56:14AM +0000, Jeff LaBundy wrote:
> > > The only problem is that leds-pwm disables the pwm at start-up, so the end
> > > result is the same anyway. Regardless of the behavior of any one consumer,
> > > however, I'm slightly inclined to go with the second option as it seems to
> > > be less restrictive and more maintainable. Let me know if you disagree.
> > 
> > With
> > 
> > 	default-state = "keep";
> > 
> > in your dt the LED shouldn't get disabled.
> 
> I see default-state defined as a common LED property, but leds-pwm doesn't
> seem to use it unfortunately. Looking through its code, brightness is just
> initialized to zero unconditionally.

Sounds like a bug.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |



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