From: Alex Romosan <[EMAIL PROTECTED]> Date: Fri, 02 Mar 2007 13:22:27 -0800
> if i don't enable the radeon backlight support the backlight works and > i can turn it on and off using radeontool. if i enable the radeon > backlight support the screen stays dark (although i can log on my > laptop remotely). if i try to use radeontool to turn the backlight on > nothing happens. so, at least on the thinkpad, the radeon backlight > support disables some other kind of backlight support that works > otherwise. Right, that's the crux of the problem. The Radeon backlight support conflicts somehow with the way the ACPI code programs the same hardware, and until we figure out exactly what's going on, this is a regression. - 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/
