[RFCv3 API PATCH 17/31] DocBook: clarify that sequence is also set for output devices.

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It was not entirely obvious that the sequence count should also
be set for output devices. Also made it more explicit that this
sequence counter counts frames, not fields.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
---
 Documentation/DocBook/media/v4l/io.xml |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml
index b680d66..c32cb0a 100644
--- a/Documentation/DocBook/media/v4l/io.xml
+++ b/Documentation/DocBook/media/v4l/io.xml
@@ -617,8 +617,8 @@ field is independent of the <structfield>timestamp</structfield> and
 	    <entry>__u32</entry>
 	    <entry><structfield>sequence</structfield></entry>
 	    <entry></entry>
-	    <entry>Set by the driver, counting the frames in the
-sequence.</entry>
+	    <entry>Set by the driver, counting the frames (not fields!) in
+sequence. This field is set for both input and output devices.</entry>
 	  </row>
 	  <row>
 	    <entry spanname="hspan"><para>In <link
-- 
1.7.10.4

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