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authorSakari Ailus <sakari.ailus@iki.fi>2012-10-21 16:02:47 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-12-21 10:44:52 -0200
commit1202ecdc24fc88d5b144824f55ec9c8899591caf (patch)
tree97a4925b3ba400fbcd20b72ea81818a3bf62688f /Documentation/DocBook/media/v4l/compat.xml
parent1b5901331ff3af4bdc1b998a056a248c9924e2d1 (diff)
[media] v4l: Define video buffer flags for timestamp types
Define video buffer flags for different timestamp types. Everything up to now have used either realtime clock or monotonic clock, without a way to tell which clock the timestamp was taken from. Also document that the clock source of the timestamp in the timestamp field depends on buffer flags. [mchehab@redhat.com: fix a few wrong references to Kernel 3.8 - as this patch is meant for 3.9] Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/compat.xml')
-rw-r--r--Documentation/DocBook/media/v4l/compat.xml12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml
index 3dd9e78815d..ebd2bfd1ee8 100644
--- a/Documentation/DocBook/media/v4l/compat.xml
+++ b/Documentation/DocBook/media/v4l/compat.xml
@@ -2477,6 +2477,18 @@ that used it. It was originally scheduled for removal in 2.6.35.
</orderedlist>
</section>
+ <section>
+ <title>V4L2 in Linux 3.9</title>
+ <orderedlist>
+ <listitem>
+ <para>Added timestamp types to
+ <structfield>flags</structfield> field in
+ <structname>v4l2_buffer</structname>. See <xref
+ linkend="buffer-flags" />.</para>
+ </listitem>
+ </orderedlist>
+ </section>
+
<section id="other">
<title>Relation of V4L2 to other Linux multimedia APIs</title>