staging: iio: isl29028: remove unnecessary parenthesis

isl29028_write_raw() contains unnecessary parenthesis when checking to
see if the passed in lux scale is valid. This patch removes the
unnecessary parenthesis.
Signed-off-by: NBrian Masney <masneyb@onstation.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/light/isl29028.c

@@ -327,7 +327,7 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
 			break;
 		}
 
-		if ((val != 125) && (val != 2000)) {
+		if (val != 125 && val != 2000) {
 			dev_err(dev,
 				"%s(): light: Lux scale %d is not in the set {125, 2000}\n",
 				__func__, val);