[media] v4l2: make vidioc_s_modulator const

Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_modulator.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index d4c7729e8eca..fbeb00e2c109 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -179,7 +179,7 @@ struct v4l2_ioctl_ops {
         int (*vidioc_g_modulator)      (struct file *file, void *fh,
                                         struct v4l2_modulator *a);
         int (*vidioc_s_modulator)      (struct file *file, void *fh,
-                                        struct v4l2_modulator *a);
+                                        const struct v4l2_modulator *a);
         /* Crop ioctls */
         int (*vidioc_cropcap)          (struct file *file, void *fh,
                                         struct v4l2_cropcap *a);
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 22ab09e83808..e698f2cead4e 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -194,7 +194,7 @@ struct v4l2_subdev_tuner_ops {
         int (*g_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt);
         int (*s_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt);
         int (*g_modulator)(struct v4l2_subdev *sd, struct v4l2_modulator *vm);
-        int (*s_modulator)(struct v4l2_subdev *sd, struct v4l2_modulator *vm);
+        int (*s_modulator)(struct v4l2_subdev *sd, const struct v4l2_modulator *vm);
         int (*s_type_addr)(struct v4l2_subdev *sd, struct tuner_setup *type);
         int (*s_config)(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *config);
 };