APCI3501_AO_DATA_REG 147 drivers/staging/comedi/drivers/addi_apci_3501.c dev->iobase + APCI3501_AO_DATA_REG); APCI3501_AO_DATA_REG 297 drivers/staging/comedi/drivers/addi_apci_3501.c dev->iobase + APCI3501_AO_DATA_REG);