Asus U50A Brightness Schizophrenia

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https://bbs.archlinux.org – A fresh install of Arch on my laptop reveals a few things: particularly, backlight brightness is completely hardware controlled. I've been able to turn down the brightness on the most bare terminal install with Arch and Gentoo for a while. This "feature" becomes an issue in Gnome, though, because I cannot figure out how to make Gnome aware of the laptop's brightness.When left to it's own devices, the brightness will reset to 100% after a few seconds no matter what I set it to. Also, if I open up the "Screen" dialog under Gnome shell's settings and try to (HowTos)