[media] v4l: Add subdev selections documentation

Add documentation for V4L2 subdev selection API. This changes also
experimental V4L2 subdev API so that scaling now works through selection API
only.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml
index 864ba5d6873d..fbf808d242f7 100644
--- a/Documentation/DocBook/media/v4l/v4l2.xml
+++ b/Documentation/DocBook/media/v4l/v4l2.xml
@@ -96,6 +96,17 @@ Remote Controller chapter.</contrib>
           </address>
         </affiliation>
       </author>
+
+      <author>
+        <firstname>Sakari</firstname>
+        <surname>Ailus</surname>
+        <contrib>Subdev selections API.</contrib>
+        <affiliation>
+          <address>
+            <email>sakari.ailus@iki.fi</email>
+          </address>
+        </affiliation>
+      </author>
     </authorgroup>
 
     <copyright>
@@ -131,7 +142,8 @@ applications. -->
         <revnumber>3.5</revnumber>
         <date>2012-04-02</date>
         <authorinitials>sa</authorinitials>
-        <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU.
+        <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev
+            selections API.
         </revremark>
       </revision>
 
@@ -548,6 +560,7 @@ and discussions on the V4L mailing list.</revremark>
     &sub-subdev-g-crop;
     &sub-subdev-g-fmt;
     &sub-subdev-g-frame-interval;
+    &sub-subdev-g-selection;
     &sub-subscribe-event;
     <!-- End of ioctls. -->
     &sub-mmap;