LCD_VERTTIMING_VPW_BIT 195 drivers/video/fbdev/au1100fb.h #define LCD_VERTTIMING_VPW_MASK (0x3F << LCD_VERTTIMING_VPW_BIT) LCD_VERTTIMING_VPW_BIT 196 drivers/video/fbdev/au1100fb.h #define LCD_VERTTIMING_VPW_N(N) ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK)