1 files changed, 1 insertions, 1 deletions

diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index d4c7729e8ec..fbeb00e2c10 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);