[RFC] User-defined leds

Pavel Machek pavel at ucw.cz
Fri Aug 5 12:58:09 PDT 2016


On Fri 2016-08-05 14:54:33, David Lechner wrote:
> On 08/05/2016 02:51 PM, Pavel Machek wrote:
> >
> >Could the device tree be used to bind LED driver to otherwise unused
> >gpio?
> 
> There is already a leds-gpio driver that does this.
> 
> https://www.kernel.org/doc/Documentation/devicetree/bindings/leds/leds-gpio.txt

Yeah, I know, that's why I suggested it :-).

What might be missing: simple way to attach leds-gpio driver to
hardware on non-devicetree machines, and perhaps teaching leds-gpio
special gpio value "no gpio" meaning ... that hardware is not actually
updated.

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



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