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authorHans Verkuil <hans.verkuil@cisco.com>2014-07-21 17:45:38 +0400
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-07-26 02:27:06 +0400
commit36cd37f2a56b8f3d71828f2eee950bfe147781e3 (patch)
tree8624cd7c44797d7068b59393392781731e958cbc /Documentation/DocBook
parent811c508104d092683ea5fe86cdcfd23dded22934 (diff)
downloadlinux-36cd37f2a56b8f3d71828f2eee950bfe147781e3.tar.xz
[media] DocBook/media: document the new RDS TX controls
Document the new RDS features that will be supported by the si4713 driver. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'Documentation/DocBook')
-rw-r--r--Documentation/DocBook/media/v4l/controls.xml62
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index 74f575560f1b..3ec85f66b4ed 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -4051,6 +4051,68 @@ to find receivers which can scroll strings sized as 32 x N or 64 x N characters.
with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry>
</row>
<row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_MONO_STEREO</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">Sets the Mono/Stereo bit of the Decoder Identification code. If set,
+then the audio was recorded as stereo.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_ARTIFICIAL_HEAD</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">Sets the
+<ulink url="http://en.wikipedia.org/wiki/Artificial_head">Artificial Head</ulink> bit of the Decoder
+Identification code. If set, then the audio was recorded using an artificial head.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_COMPRESSED</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">Sets the Compressed bit of the Decoder Identification code. If set,
+then the audio is compressed.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_DYNAMIC_PTY</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">Sets the Dynamic PTY bit of the Decoder Identification code. If set,
+then the PTY code is dynamically switched.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">If set, then a traffic announcement is in progress.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_TRAFFIC_PROGRAM</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">If set, then the tuned programme carries traffic announcements.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_MUSIC_SPEECH</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">If set, then this channel broadcasts music. If cleared, then it
+broadcasts speech. If the transmitter doesn't make this distinction, then it should be set.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_ALT_FREQS_ENABLE</constant>&nbsp;</entry>
+ <entry>boolean</entry>
+ </row>
+ <row><entry spanname="descr">If set, then transmit alternate frequencies.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_RDS_TX_ALT_FREQS</constant>&nbsp;</entry>
+ <entry>__u32 array</entry>
+ </row>
+ <row><entry spanname="descr">The alternate frequencies in kHz units. The RDS standard allows
+for up to 25 frequencies to be defined. Drivers may support fewer frequencies so check
+the array size.</entry>
+ </row>
+ <row>
<entry spanname="id"><constant>V4L2_CID_AUDIO_LIMITER_ENABLED</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>