Hi! > we are currently working on a led driver that we will eventually > propose mainline. Our HW implies a kind of dominance where one LED can > have multiple colors, but only one can be lid at once. So you have LED that is either off, or red, or green, or blue, but not combinations? > Lighting the dominant effectively (visible) turns off the recessive. > The question is whether that visible effect should be reflected in the > code. Or in other words, should the "brightness" in sysfs always > correspond to what is actually visible? > > Our first version does not try to do that, because that would > complicate the code a lot. LEDs would have to set each other and > possibly remember to reset each other when they get toggled again. > > I doubt that being the first example of such an LED, but could not find > a good example in the kernel. Maybe you can point out a driver that > handles this problem in the "correct" way. I know about no other such example... so yes, yours may be first. My suggestion would be ... just ignore that, and live with your LEDs being "slightly broken". Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
Attachment:
signature.asc
Description: Digital signature
