[media] v4l2: add const to argument of write-only s_frequency ioctl

This ioctl is defined as IOW, so pass the argument as const.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 4118ad1324c9..f06436dbaf75 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -223,7 +223,7 @@ struct v4l2_ioctl_ops {
         int (*vidioc_g_frequency)      (struct file *file, void *fh,
                                         struct v4l2_frequency *a);
         int (*vidioc_s_frequency)      (struct file *file, void *fh,
-                                        struct v4l2_frequency *a);
+                                        const struct v4l2_frequency *a);
         int (*vidioc_enum_freq_bands) (struct file *file, void *fh,
                                     struct v4l2_frequency_band *band);