The comedi core expects the (*insn_write) operations to write insn->n
values and return the number of values actually wrote.
Make this function work like the core expects.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_labpc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index e3f7e45..aa76f6d 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -1545,10 +1545,13 @@ static int labpc_calib_insn_write(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
- int channel = CR_CHAN(insn->chanspec);
+ unsigned int chan = CR_CHAN(insn->chanspec);
+ int i;
- write_caldac(dev, channel, data[0]);
- return 1;
+ for (i = 0; i < insn->n; i++)
+ write_caldac(dev, chan, data[i]);
+
+ return insn->n;
}
static int labpc_calib_insn_read(struct comedi_device *dev,
--
1.8.1.4
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