SLV_FF_EMPTY_MASK  822 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 SLV_FF_EMPTY_MASK			0x00000008
SLV_FF_EMPTY_MASK  476 drivers/video/fbdev/pxa168fb.h #define     SLV_FF_EMPTY_MASK			0x00000008