diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/me_daq.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 182a184..f5ede1a 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -735,14 +735,18 @@ static int me_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev) s->do_cmd = me_ai_do_cmd; s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITEABLE | SDF_COMMON; - s->n_chan = board->ao_channel_nbr; - s->maxdata = board->ao_resolution_mask; - s->len_chanlist = board->ao_channel_nbr; - s->range_table = board->ao_range_list; - s->insn_read = me_ao_insn_read; - s->insn_write = me_ao_insn_write; + if (board->ao_channel_nbr) { + s->type = COMEDI_SUBD_AO; + s->subdev_flags = SDF_WRITEABLE | SDF_COMMON; + s->n_chan = board->ao_channel_nbr; + s->maxdata = board->ao_resolution_mask; + s->len_chanlist = board->ao_channel_nbr; + s->range_table = board->ao_range_list; + s->insn_read = me_ao_insn_read; + s->insn_write = me_ao_insn_write; + } else { + s->type = COMEDI_SUBD_UNUSED; + } s = &dev->subdevices[2]; s->type = COMEDI_SUBD_DIO; |