diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index aafcb8adb1dbbf876785733d348ce920ae6bb355..91ab68b92086cea3a6a7ceaf6277100e2464d6c2 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -820,9 +820,10 @@ static int pci1710_auto_attach(struct comedi_device *dev, subdev++; if (board->has_ao) { + /* Analog Output subdevice */ s = &dev->subdevices[subdev]; s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON; + s->subdev_flags = SDF_WRITABLE | SDF_GROUND; s->n_chan = 2; s->maxdata = 0x0fff; s->range_table = &pci171x_ao_range;