diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-03-26 10:27:11 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-26 16:14:51 -0700 |
| commit | 198ac9dc7f0d06cd760d376c6a6c6217c5968d4a (patch) | |
| tree | 4ef32983cf8306261d5c485e6799fdc78a91b573 /drivers/staging/comedi/drivers/ni_labpc.c | |
| parent | 43d092c67740704c9a8d04da2ca070bfca34207a (diff) | |
staging: comedi: ni_labpc: fix labpc_calib_insn_read()
The comedi core expects the (*insn_read) operations to read insn->n
values and return the number of values actually read.
Make this function work like the core expects.
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_labpc.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index b0ec088a728..bae72eb7345 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -1551,10 +1551,13 @@ static int labpc_calib_insn_read(struct comedi_device *dev, unsigned int *data) { struct labpc_private *devpriv = dev->private; + unsigned int chan = CR_CHAN(insn->chanspec); + int i; - data[0] = devpriv->caldac[CR_CHAN(insn->chanspec)]; + for (i = 0; i < insn->n; i++) + data[i] = devpriv->caldac[chan]; - return 1; + return insn->n; } static int labpc_eeprom_insn_write(struct comedi_device *dev, |