[PATCH 5/9] staging: comedi: mpc624: there are only 4 analog inputs

H Hartley Sweeten hsweeten at visionengravers.com
Tue Oct 6 00:33:30 UTC 2015


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 at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/mpc624.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index 7df81cf..0527d3e 100644
--- 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;
-- 
2.5.1



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