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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@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-09-25 15:36:13 -07:00 committed by Greg Kroah-Hartman
parent 1821e389ab
commit 5ec786764a
1 changed files with 8 additions and 6 deletions
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14
drivers/staging/comedi/drivers/pcl726.c
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@ -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 (n = 0; n < insn->n; n++)
data[n] = devpriv->ao_readback[chan];
return n;
for (i = 0; i < insn->n; i++)
data[i] = devpriv->ao_readback[chan];
return insn->n;
}
static int pcl726_di_insn_bits(struct comedi_device *dev,