diff options
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/adq12b.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c index 40e91d7..6700320 100644 --- a/drivers/staging/comedi/drivers/adq12b.c +++ b/drivers/staging/comedi/drivers/adq12b.c @@ -114,7 +114,6 @@ static const struct comedi_lrange range_adq12b_ai_unipolar = { }; struct adq12b_private { - int differential; /* option 3 of comedi_config */ unsigned int last_ctreg; }; @@ -217,7 +216,6 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (!devpriv) return -ENOMEM; - devpriv->differential = it->options[2]; devpriv->last_ctreg = -1; /* force ctreg update */ ret = comedi_alloc_subdevices(dev, 3); @@ -227,8 +225,8 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it) s = &dev->subdevices[0]; /* analog input subdevice */ s->type = COMEDI_SUBD_AI; - if (devpriv->differential) { - s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF; + if (it->options[2]) { + s->subdev_flags = SDF_READABLE | SDF_DIFF; s->n_chan = 8; } else { s->subdev_flags = SDF_READABLE | SDF_GROUND; |