Add SDR specific notes to G_TUNER / S_TUNER documentation.
Add V4L2_TUNER_SDR and V4L2_TUNER_RF to supported tuner types to
table.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
Documentation/DocBook/media/v4l/vidioc-g-tuner.xml | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
index b0d8659..0140c08 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
@@ -80,6 +80,15 @@ 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>.
+Valid fields for these tuner types are <structfield>index</structfield>,
+<structfield>name</structfield>, <structfield>type</structfield>,
+<structfield>capability</structfield>, <structfield>rangelow</structfield>
+and <structfield>rangehigh</structfield>. All the rest fields must be
+initialized to zero by both application and driver.
+Term tuner means SDR receiver on this context.</para>
+
<para>To change the radio frequency the &VIDIOC-S-FREQUENCY; ioctl
is available.</para>
@@ -261,6 +270,16 @@ 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>
--
http://palosaari.fi/
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