CFG_H_FRONT_PORCH  257 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 CFG_H_FRONT_PORCH(f)			(f)
CFG_H_FRONT_PORCH   84 drivers/video/fbdev/pxa168fb.h #define     CFG_H_FRONT_PORCH(f)		(f)