SDVO_CMD_SET_CONTRAST  652 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_SET_CONTRAST				0x60
SDVO_CMD_SET_CONTRAST  663 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_SET_CONTRAST				0x60