PCL818_AO_LSB_REG 842 drivers/staging/comedi/drivers/pcl818.c dev->iobase + PCL818_AO_LSB_REG(chan)); PCL818_AO_LSB_REG 900 drivers/staging/comedi/drivers/pcl818.c outb(0, dev->iobase + PCL818_AO_LSB_REG(chan));