Bug#651741:

[Nathan Sunshine]

I am successfully using this fix in Arch linux with sna

  Section "Device"
Identifier  "Intel Graphics"
Driver      "intel"
Option      "AccelMethod"  "sna"
Option     "Backlight"          "intel_backlight"
Identifier  "Card0"
Driver      "intel"
BusID       "PCI:0:2:0"

EndSection



-- 
"Super" Nathan Weber <supernathansunsh...@gmail.com>