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-rw-r--r--drivers/staging/comedi/drivers/ni_labpc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index ab8f370..9b204b4 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -1241,7 +1241,9 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
else
channel = CR_CHAN(cmd->chanlist[0]);
/* munge channel bits for differential / scan disabled mode */
- if (labpc_ai_scan_mode(cmd) != MODE_SINGLE_CHAN && aref == AREF_DIFF)
+ if ((labpc_ai_scan_mode(cmd) == MODE_SINGLE_CHAN ||
+ labpc_ai_scan_mode(cmd) == MODE_SINGLE_CHAN_INTERVAL) &&
+ aref == AREF_DIFF)
channel *= 2;
devpriv->command1_bits |= ADC_CHAN_BITS(channel);
devpriv->command1_bits |= thisboard->ai_range_code[range];