CFG_LNBUF_ENA_MASK  503 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 CFG_LNBUF_ENA_MASK			0x00400000
CFG_LNBUF_ENA_MASK  278 drivers/video/fbdev/pxa168fb.h #define     CFG_LNBUF_ENA_MASK			0x00400000