The analog output subdevice is only available on the -AO version of the DAS16/16 device and the number of channels is provided in the boardinfo. Make sure the subdevice is marked as unused for devices that do not support the analog out.
Signed-off-by: H Hartley Sweeten <[email protected]> Cc: Ian Abbott <[email protected]> Cc: Frank Mori Hess <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> --- drivers/staging/comedi/drivers/cb_das16_cs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c index f3d5ca0..acee550 100644 --- a/drivers/staging/comedi/drivers/cb_das16_cs.c +++ b/drivers/staging/comedi/drivers/cb_das16_cs.c @@ -509,6 +509,8 @@ static int das16cs_attach(struct comedi_device *dev, s->range_table = &range_bipolar10; s->insn_write = &das16cs_ao_winsn; s->insn_read = &das16cs_ao_rinsn; + } else { + s->type = COMEDI_SUBD_UNUSED; } s = dev->subdevices + 2; -- 1.7.11 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
