[PATCH 05/19] staging: comedi: pcl726: tidy up pcl726_ao_insn_read()

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Tidy up this function to follow the normal form for analog output
read back functions.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/pcl726.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/pcl726.c b/drivers/staging/comedi/drivers/pcl726.c
index fa14f3e..492d289 100644
--- a/drivers/staging/comedi/drivers/pcl726.c
+++ b/drivers/staging/comedi/drivers/pcl726.c
@@ -216,15 +216,17 @@ static int pcl726_ao_insn_write(struct comedi_device *dev,
 
 static int pcl726_ao_insn_read(struct comedi_device *dev,
 			       struct comedi_subdevice *s,
-			       struct comedi_insn *insn, unsigned int *data)
+			       struct comedi_insn *insn,
+			       unsigned int *data)
 {
 	struct pcl726_private *devpriv = dev->private;
-	int chan = CR_CHAN(insn->chanspec);
-	int n;
+	unsigned int chan = CR_CHAN(insn->chanspec);
+	int i;
+
+	for (i = 0; i < insn->n; i++)
+		data[i] = devpriv->ao_readback[chan];
 
-	for (n = 0; n < insn->n; n++)
-		data[n] = devpriv->ao_readback[chan];
-	return n;
+	return insn->n;
 }
 
 static int pcl726_di_insn_bits(struct comedi_device *dev,
-- 
1.8.3.2

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