staging: comedi: dt2811: fix a precedence bug

[cascardo/linux.git] / drivers / staging / comedi / drivers / dt2811.c

diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c
index 904f637..8bbd938 100644 (file)
--- a/drivers/staging/comedi/drivers/dt2811.c
+++ b/drivers/staging/comedi/drivers/dt2811.c
@@ -588,8 +588,8 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s = &dev->subdevices[0];
        s->type         = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE |
-                         (it->options[2] == 1) ? SDF_DIFF :
-                         (it->options[2] == 2) ? SDF_COMMON : SDF_GROUND;
+                         ((it->options[2] == 1) ? SDF_DIFF :
+                          (it->options[2] == 2) ? SDF_COMMON : SDF_GROUND);
        s->n_chan       = (it->options[2] == 1) ? 8 : 16;
        s->maxdata      = 0x0fff;
        s->range_table  = board->is_pgh ? &dt2811_pgh_ai_ranges