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authorH Hartley Sweeten <hartleys@visionengravers.com>2012-10-24 23:34:02 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-25 02:35:50 (GMT)
commit2e54209e0f9bbe9fb38869ff582a04cc86915975 (patch)
treedee94e7f01eb2cfa8618439f7edd05b49964f86f
parent87c4e2c62e507625af7cab5f46a019ab17d95bb7 (diff)
downloadlinux-fsl-qoriq-2e54209e0f9bbe9fb38869ff582a04cc86915975.tar.xz
staging: comedi: cb_pcidda: cleanup cb_pcidda_ao_winsn()
For aesthetic reasons, rename the function to help when searching for 'insn_write' functions. Remove the obvious comments and fix the return from the function. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/comedi/drivers/cb_pcidda.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c
index 6b69e53..0ad576b 100644
--- a/drivers/staging/comedi/drivers/cb_pcidda.c
+++ b/drivers/staging/comedi/drivers/cb_pcidda.c
@@ -357,16 +357,16 @@ static void cb_pcidda_calibrate(struct comedi_device *dev, unsigned int channel,
fine_gain_channel(channel), fine_gain);
}
-static int cb_pcidda_ao_winsn(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int cb_pcidda_ao_insn_write(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int channel = CR_CHAN(insn->chanspec);
unsigned int range = CR_RANGE(insn->chanspec);
unsigned int ctrl;
- /* adjust calibration dacs if range has changed */
if (range != devpriv->ao_range[channel])
cb_pcidda_calibrate(dev, channel, range);
@@ -392,11 +392,9 @@ static int cb_pcidda_ao_winsn(struct comedi_device *dev,
outw(ctrl, dev->iobase + CB_DDA_DA_CTRL_REG);
- /* write data */
outw(data[0], dev->iobase + CB_DDA_DA_DATA_REG(channel));
- /* return the number of samples read/written */
- return 1;
+ return insn->n;
}
static const void *cb_pcidda_find_boardinfo(struct comedi_device *dev,
@@ -451,7 +449,7 @@ static int cb_pcidda_attach_pci(struct comedi_device *dev,
s->n_chan = thisboard->ao_chans;
s->maxdata = (1 << thisboard->ao_bits) - 1;
s->range_table = &cb_pcidda_ranges;
- s->insn_write = cb_pcidda_ao_winsn;
+ s->insn_write = cb_pcidda_ao_insn_write;
/* two 8255 digital io subdevices */
for (i = 0; i < 2; i++) {