PCMMIO_AO_CMD_REG 640 drivers/staging/comedi/drivers/pcmmio.c outb(cmd | PCMMIO_AO_CMD_WR_SPAN_UPDATE, iobase + PCMMIO_AO_CMD_REG); PCMMIO_AO_CMD_REG 653 drivers/staging/comedi/drivers/pcmmio.c iobase + PCMMIO_AO_CMD_REG);