Some of the boards supported by this driver do not have differential analog inputs. Only set the SDF_DIFF subdev_flag when the board supports it. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/me4000.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 3d45217..171749b 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; -- 2.4.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
