diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-10 18:54:08 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-10 20:02:24 -0700 |
| commit | 2084fd19f8dbe5c47f36364e725c58eca910dcc4 (patch) | |
| tree | c8bfe6b98d52cee5d124539d0e59fc7d777c90be | |
| parent | 6b7044dcfc1c1df1b8858ead6456158f0d925725 (diff) | |
staging: comedi: adl_pci9111: cleanup pci9111_ao_insn_write()
Remove the unnecessary comment.
Only the last data value written needs to be cached for
readback.
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/adl_pci9111.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index d5226a8c573a..10f1b87affec 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -1035,22 +1035,22 @@ conversion_done: return i; } -/* Analog instant output */ - -static int -pci9111_ao_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, - unsigned int *data) +static int pci9111_ao_insn_write(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { struct pci9111_private_data *dev_private = dev->private; + unsigned int val = 0; int i; for (i = 0; i < insn->n; i++) { - outw(data[i], dev->iobase + PCI9111_AO_REG); - dev_private->ao_readback = data[i]; + val = data[i]; + outw(val, dev->iobase + PCI9111_AO_REG); } + dev_private->ao_readback = val; - return i; + return insn->n; } static int pci9111_ao_insn_read(struct comedi_device *dev, |