LCD_CLKCONTROL_BF_BIT 207 drivers/video/fbdev/au1100fb.h #define LCD_CLKCONTROL_BF_MASK (0x1F << LCD_CLKCONTROL_BF_BIT) LCD_CLKCONTROL_BF_BIT 208 drivers/video/fbdev/au1100fb.h #define LCD_CLKCONTROL_BF_N(N) ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)