K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2015-02-18T07:34:32.566079Z
K 7
svn:log
V 223
Match the right backlight driver.

Some ATI-based PowerBooks use the string 'mnca' in the backlight controller
device tree entry, so account for this and don't use nVidia when it's not an
nVidia device.

MFC after:	3 weeks

END