I found a temporary way to control the brightness here: http://bbs.archlinux.org/viewtopic.php?id=73889
To control the brightness, I run
"sudo setpci -s 00:02.0 F4.B=??"
with ?? ranging from 00 (completely black) to FF (maximum brightness)
I found a temporary way to control the brightness here: http:// bbs.archlinux. org/viewtopic. php?id= 73889
To control the brightness, I run
"sudo setpci -s 00:02.0 F4.B=??"
with ?? ranging from 00 (completely black) to FF (maximum brightness)