Comment # 40 on bug 42960 from S. Christian Collins

Adding the quirk lines from comment #34 worked for me.

** My System **
OS: Kubuntu 14.04 amd64 w/ KDE SC 4.13.0
PC: HP Pavilion m6-1035dx
CPU/GPU: AMD A10-4600M APU with Radeon HD 7660G Graphics
RAM: 6GB DDR3 800 MHz
Linux Kernel: 3.13.0-24-generic
Screen Resolution: 1366 x 768
Xserver: 2:1.15.1-0ubuntu2