V4L/DVB (10408): v4l2: fix incorrect hue range check

A hue of -128 was rejected due to an incorrect range check, which was
faithfully copy-and-pasted into four drivers...

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 46c796c..dd19439 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -778,7 +778,7 @@
 		break;
 
 	case V4L2_CID_HUE:
-		if (ctrl->value < -127 || ctrl->value > 127) {
+		if (ctrl->value < -128 || ctrl->value > 127) {
 			v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
 			return -ERANGE;
 		}