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SubjectRe: [PATCH v2 1/2] dt: bindings: lm3697: Add bindings for lm3697 driver
Hi!

> > Following node would describe strings connected to the outputs
> > HVLED1 and HVLED2 controlled by bank A.
> >
> > led@0 {
> > reg = <0>;
> > led-sources = <0>. <1>;
> > label = "white:first_backlight_cluster";
> > linux,default-trigger = "backlight";
> > };
> >
> >
> > IOW I agree with Pavel, but I propose to use already documented common
> > DT LED property.
> >
>
> I agree to use the led-sources but I still believe this approach may be confusing to other sw devs
> and will lead to configuration issues by users.
>
> This implementation requires the sw dev to know which strings are controlled by which bank.
> And this method may produce a misconfiguration like something below where HVLED2 is declared in
> both bank A and bank B
>
> led@0 {
> reg = <0>;
> led-sources = <0>. <1>;
> label = "white:first_backlight_cluster";
> linux,default-trigger = "backlight";
> };
>
> led@1 {
> reg = <1>;
> led-sources = <1>. <2>;
> label = "white:keypad_cluster";
> linux,default-trigger = "backlight";
> };
>
> The driver will need to be intelligent and declare a miss
> configuration on the above.

Yes. But please do it that way, it is still better than being
different from all the other drivers.

Thanks,
Pavel

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