ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL 1216 drivers/gpu/drm/amd/include/atombios.h #define ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL  4
ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL 3025 drivers/gpu/drm/amd/include/atomfirmware.h   ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL   = 4,
ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL 1010 drivers/gpu/drm/radeon/atombios.h #define ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL  4