diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/me_daq.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 1e4a980..1efad59 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -469,20 +469,19 @@ static int me_ao_insn_write(struct comedi_device *dev, return i; } -/* Analog output readback */ static int me_ao_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { struct me_private_data *dev_private = dev->private; + unsigned int chan = CR_CHAN(insn->chanspec); int i; - for (i = 0; i < insn->n; i++) { - data[i] = - dev_private->ao_readback[CR_CHAN((&insn->chanspec)[i])]; - } + for (i = 0; i < insn->n; i++) + data[i] = dev_private->ao_readback[chan]; - return 1; + return insn->n; } /* |