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-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst6
-rw-r--r--include/uapi/linux/v4l2-subdev.h4
2 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
index 92d933631fda..88a748103a71 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
@@ -37,9 +37,9 @@ Description
.. note::
- This is an :ref:`obsolete` interface and may be removed
- in the future. It is superseded by
- :ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`.
+ This is an :ref:`obsolete` interface and may be removed in the future. It is
+ superseded by :ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`. No new
+ extensions to the :c:type:`v4l2_subdev_crop` structure will be accepted.
To retrieve the current crop rectangle applications set the ``pad``
field of a struct :c:type:`v4l2_subdev_crop` to the
diff --git a/include/uapi/linux/v4l2-subdev.h b/include/uapi/linux/v4l2-subdev.h
index 7048c51581c6..81a24bd38003 100644
--- a/include/uapi/linux/v4l2-subdev.h
+++ b/include/uapi/linux/v4l2-subdev.h
@@ -50,6 +50,10 @@ struct v4l2_subdev_format {
* @rect: pad crop rectangle boundaries
* @stream: stream number, defined in subdev routing
* @reserved: drivers and applications must zero this array
+ *
+ * The subdev crop API is an obsolete interface and may be removed in the
+ * future. It is superseded by the selection API. No new extensions to this
+ * structure will be accepted.
*/
struct v4l2_subdev_crop {
__u32 which;