LCD_LINE2_OFFSET
return show_line(dev, buf, LCD_LINE1_OFFSET, LCD_LINE2_OFFSET);
return show_line(dev, buf, LCD_LINE2_OFFSET, LCD_LINE3_OFFSET);
return store_line(dev, buf, count, LCD_LINE2_OFFSET, LCD_LINE2_SIZE);
#define LCD_LINE3_OFFSET LCD_LINE2_OFFSET + LCD_LINE2_SIZE