SDVO_CMD_GET_POWER_STATE  522 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_GET_POWER_STATE			0x2b
SDVO_CMD_GET_POWER_STATE  533 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_GET_POWER_STATE			0x2b