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Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color LED's

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Hi!

> >>How about implementing patterns as a specific typer of triggers?
> >>Let's say we have ledtrig-rgb-pattern:
> >
> >Well, we'd need ledtrig-rgb-pattern-1, ledtrig-rgb-pattern-2, ... , as we
> >can have more than one rgb led. But yes.
> 
> Triggers can have many listeners, i.e. led_trigger_event() sets
> brightness on all LED class devices registered on given trigger.
> We could have led_trigger_rgb_event() that would set brightness
> on all groups-of-three LEDs registered on given rgb-trigger.

I do not understand that.

> I agree that ledtrig-rgb-pattern-1, ledtrig-rgb-pattern-2, etc. would
> be also needed to add a capability of setting different colors on
> different LED devices.

Ok.

> >For patterns, I'd suggest array of (r g b time) values.
> >
> >Pattern engines can do stuff like "slowly turn LED from off to red, then switch color to
> >white, then slowly turn it to yellow, then turn it off at once" with defined speeds
> >for "slowly" and option of either linear on non-linear brightness ramping.
> >
> >The last option might be a bit too much, but I believe we should support the rest.
> 
> Yes, that's an interesting idea. It also turns out that trigger based
> patterns could be also used for defining generic patterns for a group
> of monochrome LEDs.

Yes, controlling monochrome LEDs synchronously is another task for
patterns. Actually, N900 uses that to control 6 keyboard backlight
LEDs synchronously... and yes, it would be somehow nice to preserve
this functionality.

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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Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-04-04 23:40 +0200
  Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-05 11:10 +0200
    Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-04-05 21:50 +0200
      Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Heiner Kallweit <hkallweit1@gmail.com> - 2016-04-05 22:50 +0200
        Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-04-06 00:20 +0200
          Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-06 11:20 +0200
        Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-06 11:20 +0200
      Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-06 11:00 +0200
        Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-04-06 12:00 +0200
          Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-07 22:50 +0200
            Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-04-08 20:50 +0200
              Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-09 18:10 +0200
                Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color LED's Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-04-12 09:20 +0200
                Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color  LED's Pavel Machek <pavel@ucw.cz> - 2016-04-15 14:00 +0200
                Re: [PATCH v5 1/4] leds: core: add generic support for RGB Color LED's Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-04-18 11:20 +0200

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