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);