staging: comedi: mpc624: there are only 4 analog inputs

According to the datasheet, this board has 4 differential analog
input channels not 8. Fix the subdevice init.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index 7df81cf..0527d3e 100644 (file)
--- a/drivers/staging/comedi/drivers/mpc624.c
+++ b/drivers/staging/comedi/drivers/mpc624.c
@@ -303,7 +303,7 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s = &dev->subdevices[0];
        s->type         = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_DIFF;
-       s->n_chan       = 8;
+       s->n_chan       = 4;
        s->maxdata      = 0x3fffffff;
        s->range_table  = (it->options[1] == 0) ? &range_mpc624_bipolar1
                                                : &range_mpc624_bipolar10;