Hello Rodolfo, Wednesday, February 21, 2007, 6:02:13 PM, you wrote:
> Hello, > I'd like to add backlight support for input devices since my custom > board has a backlighted mini keyboard. There's already generic indicator API, currently mostly known as "[new] LED [classdev] API", even though it is already used for things like buzzers, vibrators, etc. Why wouldn't it be suitable for your case? LCD and LCD backlight are special cases, as they actually should track state of (abstract) FB device, and keeping their states in sync is pretty important for trivial PM and info accessibility, so worth doing on kernel level. As for things like "light up keyboard if key was pressed, then light down after timeout", or "light up backlight LCD on touchscreen touch, light down on timeout", that can be pretty well done in userspace, no? > It could be acceptable to move the code from drivers/video/backlight/ > to drivers/backlight/ renaming the "Backlight & LCD" name into > "Backlight" and adding two new entries "LCD" and, maybe, "Input" (or > something like that?). Yes, the fact that lcd.c (LCD power control) lives under backlight dir, is a bit confusing. But they still has close relation to FB, after all. > Thanks in advance, > Rodolfo -- Best regards, Paul mailto:[EMAIL PROTECTED] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
