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SubjectRe: [PATCH v2] leds: pwm: add support for default-state device property
Hi!

> This patch adds support for "default-state" devicetree property, which
> allows to defer pwm init to first use of led.
>
> This allows to configure the PWM early in bootloader to let the LED
> blink until an application in Linux userspace set something different.

"sets".

> Signed-off-by: Denis Osterland-Heim <Denis.Osterland@diehl.com>

Looks good, I'll probably just apply it.

> index 6c6583c35f2f..d0f489680594 100644
> --- a/Documentation/devicetree/bindings/leds/leds-pwm.txt
> +++ b/Documentation/devicetree/bindings/leds/leds-pwm.txt
> @@ -19,6 +19,8 @@ LED sub-node properties:
> see Documentation/devicetree/bindings/leds/common.txt
> - linux,default-trigger : (optional)
> see Documentation/devicetree/bindings/leds/common.txt
> +- default-state : (optional)
> + see Documentation/devicetree/bindings/leds/common.yaml
>

Should other references be updated to common.yaml (as a separate patch)?

> diff --git a/include/linux/leds_pwm.h b/include/linux/leds_pwm.h
> index 93d101d28943..c9ef9012913d 100644
> --- a/include/linux/leds_pwm.h
> +++ b/include/linux/leds_pwm.h
> @@ -10,6 +10,7 @@ struct led_pwm {
> const char *default_trigger;
> unsigned pwm_id __deprecated;
> u8 active_low;
> + u8 default_state;
> unsigned max_brightness;
> unsigned pwm_period_ns;
> };

leds-pwm.c but leds_pwm.h. Hmm. This really should be leds-pwm.h.

Actually, leds-pwm.c is only user of leds_pwm.h, so that one should
just disappear...

Best regards,
Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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