On Sun, Mar 13, 2011 at 12:03:20PM +0200, Nikolai Kondrashov wrote: > Sometime ago I've found this hack on some forum, which I use currently > to set the brightness: > > setpci -s 00:02.0 f4.b="$HEX_BYTE" > > It allows finer control of the brightness, but it seems it operates directly > on the video card PCI register. I assume there is no sane way to use > this interface from the platform driver, right? Yes, do not do this, it causes all sorts of problems in the end, not the least being the BIOS doesn't know what is going on at all as you are changing the brightness without it knowing it. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
