PCL818_CTRL_REG
outb(ctrl, dev->iobase + PCL818_CTRL_REG);
outb(PCL818_CTRL_DISABLE_TRIG, dev->iobase + PCL818_CTRL_REG);
outb(PCL818_CTRL_SOFT_TRIG, dev->iobase + PCL818_CTRL_REG);
outb(PCL818_CTRL_DISABLE_TRIG, dev->iobase + PCL818_CTRL_REG);