These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / DocBook / media / v4l / vidioc-qbuf.xml

diff --git a/kernel/Documentation/DocBook/media/v4l/vidioc-qbuf.xml b/kernel/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
index 3504a7f..8b98a0e 100644 (file)
--- a/kernel/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
+++ b/kernel/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
@@ -187,6 +187,16 @@ continue streaming.
        </para>
        </listitem>
       </varlistentry>
+      <varlistentry>
+       <term><errorcode>EPIPE</errorcode></term>
+       <listitem>
+         <para><constant>VIDIOC_DQBUF</constant> returns this on an empty
+capture queue for mem2mem codecs if a buffer with the
+<constant>V4L2_BUF_FLAG_LAST</constant> was already dequeued and no new buffers
+are expected to become available.
+         </para>
+       </listitem>
+      </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>