diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/me4000.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 3d45217e9e18..171749b06ef2 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -1284,7 +1284,9 @@ static int me4000_auto_attach(struct comedi_device *dev, /* Analog Input subdevice */ s = &dev->subdevices[0]; s->type = COMEDI_SUBD_AI; - s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF; + s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND; + if (board->ai_diff_nchan) + s->subdev_flags |= SDF_DIFF; s->n_chan = board->ai_nchan; s->maxdata = 0xffff; s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT; |