diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcidas.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidas.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c index 58f20d597700..4c192fc04be5 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas.c +++ b/drivers/staging/comedi/drivers/cb_pcidas.c @@ -408,10 +408,10 @@ static int ai_config_insn(struct comedi_device *dev, struct comedi_subdevice *s, } /* analog output insn for pcidas-1000 and 1200 series */ -static int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) +static int cb_pcidas_ao_nofifo_insn_write(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { struct cb_pcidas_private *devpriv = dev->private; unsigned int chan = CR_CHAN(insn->chanspec); @@ -436,9 +436,10 @@ static int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, } /* analog output insn for pcidas-1602 series */ -static int cb_pcidas_ao_fifo_winsn(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int cb_pcidas_ao_fifo_insn_write(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { struct cb_pcidas_private *devpriv = dev->private; unsigned int chan = CR_CHAN(insn->chanspec); @@ -1319,32 +1320,31 @@ static int cb_pcidas_auto_attach(struct comedi_device *dev, s->do_cmdtest = cb_pcidas_ai_cmdtest; s->cancel = cb_pcidas_cancel; - /* analog output subdevice */ + /* Analog Output subdevice */ s = &dev->subdevices[1]; if (board->has_ao) { - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND; - s->n_chan = 2; - s->maxdata = board->is_16bit ? 0xffff : 0x0fff; - s->range_table = &cb_pcidas_ao_ranges; - /* default to no fifo (*insn_write) */ - s->insn_write = cb_pcidas_ao_nofifo_winsn; + s->type = COMEDI_SUBD_AO; + s->subdev_flags = SDF_WRITABLE | SDF_GROUND; + s->n_chan = 2; + s->maxdata = board->is_16bit ? 0xffff : 0x0fff; + s->range_table = &cb_pcidas_ao_ranges; + s->insn_write = (board->has_ao_fifo) + ? cb_pcidas_ao_fifo_insn_write + : cb_pcidas_ao_nofifo_insn_write; ret = comedi_alloc_subdev_readback(s); if (ret) return ret; - if (board->has_ao_fifo) { + if (dev->irq && board->has_ao_fifo) { dev->write_subdev = s; - s->subdev_flags |= SDF_CMD_WRITE; - /* use fifo (*insn_write) instead */ - s->insn_write = cb_pcidas_ao_fifo_winsn; - s->do_cmdtest = cb_pcidas_ao_cmdtest; - s->do_cmd = cb_pcidas_ao_cmd; - s->cancel = cb_pcidas_ao_cancel; + s->subdev_flags |= SDF_CMD_WRITE; + s->do_cmdtest = cb_pcidas_ao_cmdtest; + s->do_cmd = cb_pcidas_ao_cmd; + s->cancel = cb_pcidas_ao_cancel; } } else { - s->type = COMEDI_SUBD_UNUSED; + s->type = COMEDI_SUBD_UNUSED; } /* 8255 */ |