SDVO_CMD_GET_BRIGHTNESS 649 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_GET_BRIGHTNESS 0x5c SDVO_CMD_GET_BRIGHTNESS 660 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_GET_BRIGHTNESS 0x5c