LCD_CLKCONTROL_BF_N  208 drivers/video/fbdev/au1100fb.h   #define LCD_CLKCONTROL_BF_N(N)   ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)
LCD_CLKCONTROL_BF_N  231 drivers/video/fbdev/au1200fb.h #define LCD_CLKCONTROL_BF_N(N)	(((N)-1)<<10)