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authorAntti Palosaari <crope@iki.fi>2015-10-10 13:51:08 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-10-20 15:56:04 -0200
commitf9b4376c82a81943fc196709315dfe554774286a (patch)
tree86026ea1d709c81343368d335291cec63b60e10f /Documentation/DocBook
parent36c6326c5c22054605b0425a1896542a4222d7d6 (diff)
downloadop-kernel-dev-f9b4376c82a81943fc196709315dfe554774286a.zip
op-kernel-dev-f9b4376c82a81943fc196709315dfe554774286a.tar.gz
[media] DocBook: add SDR specific info to G_TUNER / S_TUNER
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 <crope@iki.fi> [hans.verkuil@cisco.com: add quotes in "The term 'tuner'"] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/DocBook')
-rw-r--r--Documentation/DocBook/media/v4l/vidioc-g-tuner.xml16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
index b0d8659..459b7e5 100644
--- 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>
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