drm/radeon: enable native backlight control on old macs
authorNathan-J. Hirschauer <nathanhi@deepserve.info>
Wed, 18 Feb 2015 01:01:19 +0000 (02:01 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 25 Feb 2015 21:05:53 +0000 (16:05 -0500)
commit7a26f9ad1b5badfd0200ce2262ad696e2a6b7fbb
treebb5a399011c6f891742fc05d708d7f4accc69175
parent5b49afd60a850acca321a87eb83ab0c387725206
drm/radeon: enable native backlight control on old macs

Commit b7bc596ebbe0 ("drm/radeon: disable native
backlight control on pre-r6xx asics (v2)") accidently
broke backlight control on old mac laptops that use the
on-GPU backlight controller.

Signed-off-by: Nathan-J. Hirschauer <nathanhi@deepserve.info>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/radeon_encoders.c