Messages in this thread | | | Date | Tue, 7 Oct 2008 15:54:20 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH V3] led: Backlight trigger for led subsystem |
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Hi!
> This patch set adds a new led trigger which emulates the backlight > behaviour: the leds are turned off and on each time the display blanks > and unblacks. > > Since backlights are usually implemented with leds this patch set is > useful for those drivers whose manage leds controller used as > backlight controller. > > The driver simply registers itself into the led subsystem and then the > user may get backlight emulation by setting the "backlight" > trigger. Moreover a driver, which usually manages more than one led, > can use some leds as "led" and the others as "backlights" at user > request.
We already have backlight subsystem, it can also handle display brightness. Why not use that?
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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