PCMMIO_AO_LSB_REG 638 drivers/staging/comedi/drivers/pcmmio.c outb(PCMMIO_AO_LSB_SPAN(range), iobase + PCMMIO_AO_LSB_REG); PCMMIO_AO_LSB_REG 650 drivers/staging/comedi/drivers/pcmmio.c outb(val & 0xff, iobase + PCMMIO_AO_LSB_REG);