If the user does not specify the analog output range the private data
'user_ao_range_table' will not be allocated. The comedi core will detect
the NULL s->range_table and automatically set it to &range_unknown.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
s->subdev_flags = SDF_WRITABLE;
s->n_chan = 2;
s->maxdata = 0x0fff;
- if (devpriv->user_ao_range_table)
- s->range_table = devpriv->user_ao_range_table;
- else
- s->range_table = &range_unknown;
-
+ s->range_table = devpriv->user_ao_range_table;
s->insn_write = das16_ao_insn_write;
} else {
s->type = COMEDI_SUBD_UNUSED;