TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS 854 drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c cntl.action = TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS; TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS 847 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c cntl.action = TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS;