Hi!

> Add support for registering per-LED device trigger.
> 
> Names of private triggers need to be globally unique, but may clash
> with other private triggers. This is enforced during trigger

Globally unique name is going to be a problem, no? If you have two
keyboards with automatical backlight support...

Otherwise... yes, we need something like this.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany