diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2014-03-13 15:48:38 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-17 14:20:09 -0700 |
| commit | c0c6ae260a44de5b3bb9996b0ad82cd72f38427b (patch) | |
| tree | e40bb22a4884f6f9bc31f1bd1854191c7c877056 /drivers/staging/comedi | |
| parent | df8f09bb44d03f8573715ea30d0c3ce1b3627244 (diff) | |
staging: comedi: rti802: tidy up rti802_ao_insn_read()
To clarify the function a bit, add a local variable for the 'chan'
that is being read and change the final return to 'insn->n'.
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>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/rti802.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/rti802.c b/drivers/staging/comedi/drivers/rti802.c index c5c37a2c5f84..c1f4b3b71542 100644 --- a/drivers/staging/comedi/drivers/rti802.c +++ b/drivers/staging/comedi/drivers/rti802.c @@ -49,15 +49,17 @@ struct rti802_private { static int rti802_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 rti802_private *devpriv = dev->private; + unsigned int chan = CR_CHAN(insn->chanspec); int i; for (i = 0; i < insn->n; i++) - data[i] = devpriv->ao_readback[CR_CHAN(insn->chanspec)]; + data[i] = devpriv->ao_readback[chan]; - return i; + return insn->n; } static int rti802_ao_insn_write(struct comedi_device *dev, |