K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2015-01-31T02:13:25.538462Z
K 7
svn:log
V 346
Fix backlight for ivybridge based laptops (and whatever else comes through
this codepath.)

(1<<30) is documented as BLM_PCH_OVERRIDE_ENABLE, which the current
i915 driver in Linux only sets for broadwell chips.

This fixes the backlight control on the Lenovo X230.

Approved by:	kib
Obtained from:	Linux 7aa1e7f06d6ea1bce3b27630d50769d13da28b1a

END