SDVO_CMD_SET_AMBIENT_LIGHT  572 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_SET_AMBIENT_LIGHT			0x34
SDVO_CMD_SET_AMBIENT_LIGHT  583 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_SET_AMBIENT_LIGHT			0x34