The analog outputs are all single-ended. Remove the SDF_DIFF
subdev_flag from the subdevice initialization.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/aio_aio12_8.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c 
b/drivers/staging/comedi/drivers/aio_aio12_8.c
index f9a90e5..2262da0 100644
--- a/drivers/staging/comedi/drivers/aio_aio12_8.c
+++ b/drivers/staging/comedi/drivers/aio_aio12_8.c
@@ -234,7 +234,7 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
        if (board->ao_nchan) {
                /* Analog output subdevice */
                s->type         = COMEDI_SUBD_AO;
-               s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_DIFF;
+               s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
                s->n_chan       = 4;
                s->maxdata      = 0x0fff;
                s->range_table  = &aio_aio12_8_range;
-- 
2.5.1

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