[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>
This commit is contained in:
Antti Palosaari 2015-10-10 13:51:08 -03:00 committed by Mauro Carvalho Chehab
parent 36c6326c5c
commit f9b4376c82

View File

@ -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>