Re: [PATCH v2 2/6] arm64: dts: imx8mq-librem5: add RGB pwm notification leds

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Am Dienstag, dem 06.09.2022 um 10:45 +0200 schrieb Pavel Machek:
> Hi!
> 
> > From: Guido Günther <agx@xxxxxxxxxxx>
> > 
> > Describe the RGB notification leds on the Librem 5 phone.
> > Use the common defines so we're sure to adhere to the common
> > patterns,
> > use predefined led colors and functions so we're being warned in
> > case
> > of deprecations.
> 
> I'd like LED lists to be cc-ed on patches like this, so that we can
> keep userland API consistent.
> 
> In particular, RGB LED is very common feature on the phones, and it
> would be good to have it consistent accross them. Can you take a look
> at Documentation/leds/well-known-leds.txt, decide if your current API
> is suitable, and update the file so that we get the consistency?
> 
> Thanks,
>                                                                 Pavel

thanks for the feedback Pavel, thanks for queueing up Shawn,

that indeed says that phones should use the multicolor descriptions :)
Later, I'll send changes to have a description like that:

https://source.puri.sm/Librem5/linux/-/merge_requests/623#note_212773

which should be close to what you meant, Pavel.

thanks again,

                              martin


> 
> > +       led-controller {
> > +               compatible = "pwm-leds";
> > +
> > +               led-0 {
> > +                       function = LED_FUNCTION_STATUS;
> > +                       color = <LED_COLOR_ID_BLUE>;
> > +                       max-brightness = <248>;
> > +                       pwms = <&pwm2 0 50000 0>;
> > +               };
> > +
> > +               led-1 {
> > +                       function = LED_FUNCTION_STATUS;
> > +                       color = <LED_COLOR_ID_GREEN>;
> > +                       max-brightness = <248>;
> > +                       pwms = <&pwm4 0 50000 0>;
> > +               };
> > +
> > +               led-2 {
> > +                       function = LED_FUNCTION_STATUS;
> > +                       color = <LED_COLOR_ID_RED>;
> > +                       max-brightness = <248>;
> > +                       pwms = <&pwm3 0 50000 0>;
> > +               };
> > +       };
> > +
> >         reg_aud_1v8: regulator-audio-1v8 {
> >                 compatible = "regulator-fixed";
> >                 pinctrl-names = "default";
> > -- 
> > 2.30.2
> 





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