diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c
index fc7e1126d143..6de3cd7363d7 100644
--- a/drivers/staging/iio/frequency/ad9834.c
+++ b/drivers/staging/iio/frequency/ad9834.c
@@ -285,7 +285,7 @@ ssize_t ad9834_show_out0_wavetype_available(struct device *dev,
 	struct ad9834_state *st = iio_priv(indio_dev);
 	char *str;
 
-	if ((st->devid == ID_AD9833) || (st->devid == ID_AD9837))
+	if (st->devid == ID_AD9833 || st->devid == ID_AD9837)
 		str = "sine triangle square";
 	else if (st->control & AD9834_OPBITEN)
 		str = "sine";