Remove the unnecessary comment.
Only the last data value written needs to be cached for
readback.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/adl_pci9111.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index d5226a8..10f1b87 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,
--
1.7.11
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