From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 6 Oct 2015 00:33:30 +0000 (-0700)
Subject: staging: comedi: mpc624: there are only 4 analog inputs
X-Git-Tag: KARO-TX6UL-2015-11-03~34^2~888
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b7b3d04f45b89c1c145737528c7b9c87b92a057;p=karo-tx-linux.git

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 7df81cf84d12..0527d3e18623 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;