drm/radeon: rework legacy backlight control

To better enable sharing with atom backlight control.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-07-26 11:05:22 -04:00
commit 910308802c
2 changed files with 17 additions and 13 deletions