From: Hans Verkuil <hans.verk...@cisco.com>
Document the new RDS receiver controls. This will be used by the radio-miropcm20
driver.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
Documentation/DocBook/media/v4l/controls.xml | 51 ++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/controls.xml
b/Documentation/DocBook/media/v4l/controls.xml
index 58fd169..29f7ffc 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -4998,6 +4998,57 @@ description of this control class.</entry>
</row><row><entry spanname="descr">Enables/disables RDS
reception by the radio tuner</entry>
</row>
+ <row>
+ <entry
spanname="id"><constant>V4L2_CID_RDS_RX_PTY</constant> </entry>
+ <entry>integer</entry>
+ </row>
+ <row><entry spanname="descr">Gets RDS Programme Type field.
+This encodes up to 31 pre-defined programme types.</entry>
+ </row>
+ <row>
+ <entry
spanname="id"><constant>V4L2_CID_RDS_RX_PS_NAME</constant> </entry>
+ <entry>string</entry>
+ </row>
+ <row><entry spanname="descr">Gets the Programme Service name
(PS_NAME).
+It is intended for static display on a receiver. It is the primary aid to
listeners in programme service
+identification and selection. In Annex E of <xref linkend="iec62106" />, the
RDS specification,
+there is a full description of the correct character encoding for Programme
Service name strings.
+Also from RDS specification, PS is usually a single eight character text.
However, it is also possible
+to find receivers which can scroll strings sized as 8 x N characters. So, this
control must be configured
+with steps of 8 characters. The result is it must always contain a string with
size multiple of 8.</entry>
+ </row>
+ <row>
+ <entry
spanname="id"><constant>V4L2_CID_RDS_RX_RADIO_TEXT</constant> </entry>
+ <entry>string</entry>
+ </row>
+ <row><entry spanname="descr">Gets the Radio Text info. It is a
textual description of
+what is being broadcasted. RDS Radio Text can be applied when broadcaster
wishes to transmit longer PS names,
+programme-related information or any other text. In these cases, RadioText can
be used in addition to
+<constant>V4L2_CID_RDS_RX_PS_NAME</constant>. The encoding for Radio Text
strings is also fully described
+in Annex E of <xref linkend="iec62106" />. The length of Radio Text strings
depends on which RDS Block is being
+used to transmit it, either 32 (2A block) or 64 (2B block). However, it is
also possible
+to find receivers which can scroll strings sized as 32 x N or 64 x N
characters. So, this control must be configured
+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_RX_TRAFFIC_ANNOUNCEMENT</constant> </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_RX_TRAFFIC_PROGRAM</constant> </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_RX_MUSIC_SPEECH</constant> </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
will be set.</entry>
+ </row>
<row>
<entry
spanname="id"><constant>V4L2_CID_TUNE_DEEMPHASIS</constant> </entry>
<entry>enum v4l2_deemphasis</entry>
--
1.8.5.2
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