Merge remote-tracking branch 'access_once/linux-next'

[karo-tx-linux.git] / Documentation / DocBook / media / v4l / vidioc-g-tuner.xml

diff --git a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
index b0d865933da69247aaf85a569d1de4cc1a28acf4..459b7e561f3c1e1ed32dd556a936eb5c04849f20 100644 (file)
--- a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
@@ -80,6 +80,12 @@ if the requested mode is invalid or unsupported. Since this is a
 <!-- FIXME -->write-only ioctl, it does not return the actually
 selected audio mode.</para>
 
+    <para><link linkend="sdr">SDR</link> specific tuner types are
+<constant>V4L2_TUNER_SDR</constant> and <constant>V4L2_TUNER_RF</constant>.
+For SDR devices <structfield>audmode</structfield> field must be
+initialized to zero.
+The term 'tuner' means SDR receiver in this context.</para>
+
     <para>To change the radio frequency the &VIDIOC-S-FREQUENCY; ioctl
 is available.</para>
 
@@ -261,6 +267,16 @@ applications must set the array to zero.</entry>
            <entry>2</entry>
            <entry></entry>
          </row>
+         <row>
+           <entry><constant>V4L2_TUNER_SDR</constant></entry>
+           <entry>4</entry>
+           <entry></entry>
+         </row>
+         <row>
+           <entry><constant>V4L2_TUNER_RF</constant></entry>
+           <entry>5</entry>
+           <entry></entry>
+         </row>
        </tbody>
       </tgroup>
     </table>