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>

4 files changed, 4 insertions, 4 deletions

diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 0b1c84b4ddd6..780125002cbc 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -548,7 +548,7 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
                 break;
 
         case V4L2_CID_HUE:
-                if (ctrl->value < -127 || ctrl->value > 127) {
+                if (ctrl->value < -128 || ctrl->value > 127) {
                         CX18_ERR("invalid hue setting %d\n", ctrl->value);
                         return -ERANGE;
                 }
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index be467b4b9545..d4059ecaa58e 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -763,7 +763,7 @@ static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
                 break;
 
         case V4L2_CID_HUE:
-                if (ctrl->value < -127 || ctrl->value > 127) {
+                if (ctrl->value < -128 || ctrl->value > 127) {
                         v4l_err(client, "invalid hue setting %d\n", ctrl->value);
                         return -ERANGE;
                 }
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 46c796c3fec8..dd1943987ce6 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -778,7 +778,7 @@ static int saa711x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
                 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;
                 }
diff --git a/drivers/media/video/saa717x.c b/drivers/media/video/saa717x.c
index 88c5e942f751..490b9049b987 100644
--- a/drivers/media/video/saa717x.c
+++ b/drivers/media/video/saa717x.c
@@ -931,7 +931,7 @@ static int saa717x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
                 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;
                 }