[media] V4L2 Spec: return -EINVAL on unsupported wrap_around value

This is a small extension to the S_HW_FREQ_SEEK ioctl: if the wrap_around
value is not support by the hardware, then -EINVAL is returned.

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

diff --git a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml
index e013da8..18b1a82 100644 (file)
--- a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml
@@ -96,8 +96,8 @@ field and the &v4l2-tuner; <structfield>index</structfield> field.</entry>
          <row>
            <entry>__u32</entry>
            <entry><structfield>reserved</structfield>[7]</entry>
-           <entry>Reserved for future extensions. Drivers and
-           applications must set the array to zero.</entry>
+           <entry>Reserved for future extensions. Applications
+           must set the array to zero.</entry>
          </row>
        </tbody>
       </tgroup>
@@ -112,7 +112,7 @@ field and the &v4l2-tuner; <structfield>index</structfield> field.</entry>
        <term><errorcode>EINVAL</errorcode></term>
        <listitem>
          <para>The <structfield>tuner</structfield> index is out of
-bounds or the value in the <structfield>type</structfield> field is
+bounds, the wrap_around value is not supported or the value in the <structfield>type</structfield> field is
 wrong.</para>
        </listitem>
       </varlistentry>