radeon: expose backlight class device for legacy LVDS encoder

Allows e.g. power management daemons to control the backlight level. Inspired
by the corresponding code in radeonfb.

[[email protected]: updated to add backlight type and make the connector the parent device]
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Matthew Garrett <[email protected]>
Cc: Richard Purdie <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: David Airlie <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Cc: Ben Skeggs <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Jesse Barnes <[email protected]>
Tested-by: Sedat Dilek <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions