[media] DocBook: Use the generic ioctl error codes for all V4L ioctl's

Be sure that all VIDIOC_* ioctl are using the return error macro, and
aren't specifying generic error codes internally.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

35 files changed, 53 insertions, 453 deletions

diff --git a/Documentation/DocBook/media/v4l/gen-errors.xml b/Documentation/DocBook/media/v4l/gen-errors.xml
index 1efc688ad66..6ef476a5401 100644
--- a/Documentation/DocBook/media/v4l/gen-errors.xml
+++ b/Documentation/DocBook/media/v4l/gen-errors.xml
@@ -10,7 +10,24 @@
 	<entry>The ioctl can't be handled because the device is busy. This is
 	       typically return while device is streaming, and an ioctl tried to
 	       change something that would affect the stream, or would require the
-	       usage of a hardware resource that was already allocated.</entry>
+	       usage of a hardware resource that was already allocated. The ioctl
+	       must not be retried without performing another action to fix the
+	       problem first (typically: stop the stream before retrying).</entry>
+      </row>
+      <row>
+	<entry>EINVAL</entry>
+	<entry>The ioctl is not supported by the driver, actually meaning that
+	       the required functionality is not available.</entry>
+      </row>
+      <row>
+	<entry>ENOMEM</entry>
+	<entry>There's not enough memory to handle the desired operation.</entry>
+      </row>
+      <row>
+	<entry>ENOSPC</entry>
+	<entry>On USB devices, the stream ioctl's can return this error meaning
+	       that this request would overcommit the usb bandwidth reserved
+	       for periodic transfers (up to 80% of the USB bandwidth).</entry>
       </row>
     </tbody>
   </tgroup>
diff --git a/Documentation/DocBook/media/v4l/vidioc-cropcap.xml b/Documentation/DocBook/media/v4l/vidioc-cropcap.xml
index 816e90e283c..b4f2f255211 100644
--- a/Documentation/DocBook/media/v4l/vidioc-cropcap.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-cropcap.xml
@@ -156,19 +156,10 @@ on 22 Oct 2002 subject "Re:[V4L][patches!] Re:v4l2/kernel-2.5" -->
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
 	  <para>The &v4l2-cropcap; <structfield>type</structfield> is
-invalid or the ioctl is not supported. This is not permitted for
-video capture, output and overlay devices, which must support
-<constant>VIDIOC_CROPCAP</constant>.</para>
+invalid. This is not permitted for video capture, output and overlay devices,
+which must support <constant>VIDIOC_CROPCAP</constant>.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml
index 4a09e203af0..4ecd966808d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml
@@ -258,18 +258,9 @@ could not identify it.</entry>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The driver does not support this ioctl, or the
-<structfield>match_type</structfield> is invalid.</para>
+	  <para>The <structfield>match_type</structfield> is invalid.</para>
 	</listitem>
       </varlistentry>
      </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml
index 980c7f3e2fd..a44aebc7997 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml
@@ -247,15 +247,6 @@ register.</entry>
 
     <variablelist>
       <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>The driver does not support this ioctl, or the kernel
-was not compiled with the <constant>CONFIG_VIDEO_ADV_DEBUG</constant>
-option, or the <structfield>match_type</structfield> is invalid, or the
-selected chip or register does not exist.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
 	<term><errorcode>EPERM</errorcode></term>
 	<listitem>
 	  <para>Insufficient permissions. Root privileges are required
@@ -265,11 +256,3 @@ to execute these ioctls.</para>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
index b8c4f7657d6..7769642ee43 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
@@ -136,11 +136,7 @@
     </table>
 
   </refsect1>
+  <refsect1>
+    &return-value;
+  </refsect1>
 </refentry>
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml b/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml
index b0dde943825..af7f3f2a36d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml
@@ -180,8 +180,7 @@ Pictures</wordasword>, rather than immediately.</entry>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The driver does not support this ioctl, or the
-<structfield>cmd</structfield> field is invalid.</para>
+	  <para>The <structfield>cmd</structfield> field is invalid.</para>
 	</listitem>
       </varlistentry>
       <varlistentry>
@@ -194,11 +193,3 @@ the encoder was not running.</para>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-enum-frameintervals.xml b/Documentation/DocBook/media/v4l/vidioc-enum-frameintervals.xml
index 3c216e113a5..5fd72c4c33e 100644
--- a/Documentation/DocBook/media/v4l/vidioc-enum-frameintervals.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-enum-frameintervals.xml
@@ -254,17 +254,6 @@ enumerated.</entry>
 
   <refsect1>
     &return-value;
-
-    <para>See the description section above for a list of return
-values that <varname>errno</varname> can have.</para>
   </refsect1>
 
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml b/Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml
index 6afa4542c81..f77a13f486d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml
@@ -267,16 +267,5 @@ application should zero out all members except for the
 
   <refsect1>
     &return-value;
-
-    <para>See the description section above for a list of return
-values that <varname>errno</varname> can have.</para>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-enumaudio.xml b/Documentation/DocBook/media/v4l/vidioc-enumaudio.xml
index 9ae8f2d3a96..ea816ab2e49 100644
--- a/Documentation/DocBook/media/v4l/vidioc-enumaudio.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-enumaudio.xml
@@ -68,19 +68,9 @@ until the driver returns <errorcode>EINVAL</errorcode>.</para>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The number of the audio input is out of bounds, or
-there are no audio inputs at all and this ioctl is not
-supported.</para>
+	  <para>The number of the audio input is out of bounds.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml b/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml
index d3d7c0ab17b..2e87cedb0d3 100644
--- a/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml
@@ -71,19 +71,9 @@ signal to a sound card are not audio outputs in this sense.</para>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The number of the audio output is out of bounds, or
-there are no audio outputs at all and this ioctl is not
-supported.</para>
+	  <para>The number of the audio output is out of bounds.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-audio.xml b/Documentation/DocBook/media/v4l/vidioc-g-audio.xml
index 65361a8c2b0..d7bb9b3738f 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-audio.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-audio.xml
@@ -164,25 +164,9 @@ tuner.</entry>
 	<listitem>
 	  <para>No audio inputs combine with the current video input,
 or the number of the selected audio input is out of bounds or it does
-not combine, or there are no audio inputs at all and the ioctl is not
-supported.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>I/O is in progress, the input cannot be
-switched.</para>
+not combine.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-audioout.xml b/Documentation/DocBook/media/v4l/vidioc-g-audioout.xml
index 3632730c5c6..200a2704a97 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-audioout.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-audioout.xml
@@ -130,25 +130,9 @@ applications must set the array to zero.</entry>
 	<listitem>
 	  <para>No audio outputs combine with the current video
 output, or the number of the selected audio output is out of bounds or
-it does not combine, or there are no audio outputs at all and the
-ioctl is not supported.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>I/O is in progress, the output cannot be
-switched.</para>
+it does not combine.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-crop.xml b/Documentation/DocBook/media/v4l/vidioc-g-crop.xml
index d235b1dedbe..01a50640dce 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-crop.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-crop.xml
@@ -122,22 +122,5 @@ for &v4l2-cropcap; <structfield>bounds</structfield> is used.</entry>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>Cropping is not supported.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml
index d733721a751..7940c114939 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml
@@ -97,14 +97,8 @@ If the preset is not supported, it returns an &EINVAL; </para>
 	</tbody>
       </tgroup>
     </table>
-
+  </refsect1>
+  <refsect1>
+    &return-value;
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
index d5ec6abf0ce..4a8648ae9a6 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
@@ -212,12 +212,7 @@ bit 0 (V4L2_DV_VSYNC_POS_POL) is for vertical sync polarity and bit 1 (V4L2_DV_H
       </tgroup>
     </table>
   </refsect1>
+  <refsect1>
+    &return-value;
+  </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml b/Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml
index 9f242e4b294..2aef02c9044 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml
@@ -192,22 +192,5 @@ this mask to obtain the picture coding type.</entry>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>The driver does not support this ioctl.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-fbuf.xml b/Documentation/DocBook/media/v4l/vidioc-g-fbuf.xml
index e7dda4822f0..055718231bc 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-fbuf.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-fbuf.xml
@@ -446,28 +446,11 @@ overlay.</para>
 	</listitem>
       </varlistentry>
       <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The framebuffer parameters cannot be changed at this
-time because overlay is already enabled, or capturing is enabled
-and the hardware cannot capture and overlay simultaneously.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The ioctl is not supported or the
-<constant>VIDIOC_S_FBUF</constant> parameters are unsuitable.</para>
+	  <para>The <constant>VIDIOC_S_FBUF</constant> parameters are unsuitable.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-fmt.xml b/Documentation/DocBook/media/v4l/vidioc-g-fmt.xml
index a4ae59b664e..17fbda15137 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-fmt.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-fmt.xml
@@ -184,29 +184,13 @@ capture and output devices.</entry>
 
     <variablelist>
       <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The data format cannot be changed at this
-time, for example because I/O is already in progress.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
 	  <para>The &v4l2-format; <structfield>type</structfield>
-field is invalid, the requested buffer type not supported, or
-<constant>VIDIOC_TRY_FMT</constant> was called and is not
-supported with this buffer type.</para>
+field is invalid, the requested buffer type not supported, or the
+format is not supported with this buffer type.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-input.xml b/Documentation/DocBook/media/v4l/vidioc-g-input.xml
index ed076e92760..08ae82f131f 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-input.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-input.xml
@@ -75,26 +75,9 @@ querying or negotiating any other parameters.</para>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The number of the video input is out of bounds, or
-there are no video inputs at all and this ioctl is not
-supported.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>I/O is in progress, the input cannot be
-switched.</para>
+	  <para>The number of the video input is out of bounds.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml b/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
index 77394b28741..01ea24b8438 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
@@ -159,22 +159,5 @@ to add them.</para>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>This ioctl is not supported.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-output.xml b/Documentation/DocBook/media/v4l/vidioc-g-output.xml
index 3ea8c0ed812..fd45f1c13cc 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-output.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-output.xml
@@ -76,25 +76,9 @@ negotiating any other parameters.</para>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
 	  <para>The number of the video output is out of bounds, or
-there are no video outputs at all and this ioctl is not
-supported.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>I/O is in progress, the output cannot be
-switched.</para>
+there are no video outputs at all.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-parm.xml b/Documentation/DocBook/media/v4l/vidioc-g-parm.xml
index 392aa9e5571..19b1d85dd66 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-parm.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-parm.xml
@@ -311,22 +311,5 @@ excessive motion blur. </para>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>This ioctl is not supported.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-priority.xml b/Documentation/DocBook/media/v4l/vidioc-g-priority.xml
index 5fb00197864..8f5e3da7002 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-priority.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-priority.xml
@@ -120,8 +120,7 @@ recording.</entry>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The requested priority value is invalid, or the
-driver does not support access priorities.</para>
+	  <para>The requested priority value is invalid.</para>
 	</listitem>
       </varlistentry>
       <varlistentry>
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-sliced-vbi-cap.xml b/Documentation/DocBook/media/v4l/vidioc-g-sliced-vbi-cap.xml
index 10e721b1737..71741daaf72 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-sliced-vbi-cap.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-sliced-vbi-cap.xml
@@ -246,19 +246,10 @@ line systems.</entry>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>The device does not support sliced VBI capturing or
-output, or the value in the <structfield>type</structfield> field is
+	  <para>The value in the <structfield>type</structfield> field is
 wrong.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-std.xml b/Documentation/DocBook/media/v4l/vidioc-g-std.xml
index 912f8513e5d..37996f25b5d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-std.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-std.xml
@@ -82,14 +82,7 @@ standards.</para>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>This ioctl is not supported, or the
-<constant>VIDIOC_S_STD</constant> parameter was unsuitable.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The device is busy and therefore can not change the standard</para>
+	  <para>The <constant>VIDIOC_S_STD</constant> parameter was unsuitable.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
diff --git a/Documentation/DocBook/media/v4l/vidioc-log-status.xml b/Documentation/DocBook/media/v4l/vidioc-log-status.xml
index 2634b7c88b5..5ded7d35e27 100644
--- a/Documentation/DocBook/media/v4l/vidioc-log-status.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-log-status.xml
@@ -37,22 +37,5 @@ was introduced in Linux 2.6.15.</para>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>The driver does not support this ioctl.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-overlay.xml b/Documentation/DocBook/media/v4l/vidioc-overlay.xml
index 1036c582cc1..250a7de1877 100644
--- a/Documentation/DocBook/media/v4l/vidioc-overlay.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-overlay.xml
@@ -65,19 +65,10 @@
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>Video overlay is not supported, or the
-parameters have not been set up. See <xref
+	  <para>The overlay parameters have not been set up. See <xref
 linkend="overlay" /> for the necessary steps.</para>
 	</listitem>
       </varlistentry>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-qbuf.xml b/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
index f2b11f8a403..9caa49af580 100644
--- a/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-qbuf.xml
@@ -158,15 +158,6 @@ or no buffers have been allocated yet, or the
 <structfield>userptr</structfield> or
 <structfield>length</structfield> are invalid.</para>
 	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>ENOMEM</errorcode></term>
-	<listitem>
-	  <para>Not enough physical or virtual memory was available to
-enqueue a user pointer buffer.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
 	<term><errorcode>EIO</errorcode></term>
 	<listitem>
 	  <para><constant>VIDIOC_DQBUF</constant> failed due to an
@@ -184,11 +175,3 @@ continue streaming.
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml b/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml
index d272f7ab91b..23b17f60421 100644
--- a/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml
@@ -61,27 +61,5 @@ returned.</para>
 
   <refsect1>
     &return-value;
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>This ioctl is not supported.</para>
-	</listitem>
-    </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The device is busy and therefore can not sense the preset</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-querycap.xml b/Documentation/DocBook/media/v4l/vidioc-querycap.xml
index 7aa697323c7..e3664d6f2de 100644
--- a/Documentation/DocBook/media/v4l/vidioc-querycap.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-querycap.xml
@@ -283,24 +283,5 @@ linkend="mmap">streaming</link> I/O method.</entry>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>The device is not compatible with this
-specification.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
-
diff --git a/Documentation/DocBook/media/v4l/vidioc-querystd.xml b/Documentation/DocBook/media/v4l/vidioc-querystd.xml
index 1a9e6039309..4b79c7c04ed 100644
--- a/Documentation/DocBook/media/v4l/vidioc-querystd.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-querystd.xml
@@ -62,28 +62,5 @@ current video input or output.</para>
 
   <refsect1>
     &return-value;
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EINVAL</errorcode></term>
-	<listitem>
-	  <para>This ioctl is not supported.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The device is busy and therefore can not detect the standard</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-reqbufs.xml b/Documentation/DocBook/media/v4l/vidioc-reqbufs.xml
index 69800ae2334..7be4b1d29b9 100644
--- a/Documentation/DocBook/media/v4l/vidioc-reqbufs.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-reqbufs.xml
@@ -122,14 +122,6 @@ higher. This array should be zeroed by applications.</entry>
 
     <variablelist>
       <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The driver supports multiple opens and I/O is already
-in progress, or reallocation of buffers was attempted although one or
-more are still mapped.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
 	  <para>The buffer type (<structfield>type</structfield> field) or the
@@ -140,11 +132,3 @@ supported.</para>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-streamon.xml b/Documentation/DocBook/media/v4l/vidioc-streamon.xml
index 75ed39bf4d2..81cca456905 100644
--- a/Documentation/DocBook/media/v4l/vidioc-streamon.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-streamon.xml
@@ -88,9 +88,9 @@ synchronize with other events.</para>
       <varlistentry>
 	<term><errorcode>EINVAL</errorcode></term>
 	<listitem>
-	  <para>Streaming I/O is not supported, the buffer
-<structfield>type</structfield> is not supported, or no buffers have
-been allocated (memory mapping) or enqueued (output) yet.</para>
+	  <para>The buffer<structfield>type</structfield> is not supported,
+	  or no buffers have been allocated (memory mapping) or enqueued
+	  (output) yet.</para>
 	</listitem>
       </varlistentry>
       <varlistentry>
@@ -105,11 +105,3 @@ been allocated (memory mapping) or enqueued (output) yet.</para>
     </variablelist>
   </refsect1>
 </refentry>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->
diff --git a/Documentation/DocBook/media/v4l/vidioc-subdev-g-fmt.xml b/Documentation/DocBook/media/v4l/vidioc-subdev-g-fmt.xml
index f367c570c53..a67cde6f8c5 100644
--- a/Documentation/DocBook/media/v4l/vidioc-subdev-g-fmt.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-subdev-g-fmt.xml
@@ -177,4 +177,7 @@
       </varlistentry>
     </variablelist>
   </refsect1>
+  <refsect1>
+    &return-value;
+  </refsect1>
 </refentry>
diff --git a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
index 25471e8e5da..69c0d8a2a3d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
@@ -290,13 +290,8 @@
 	</tbody>
       </tgroup>
     </table>
-
+  </refsect1>
+  <refsect1>
+    &return-value;
   </refsect1>
 </refentry>
-<!--
-Local Variables:
-mode: sgml
-sgml-parent-document: "v4l2.sgml"
-indent-tabs-mode: nil
-End:
--->