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authorHans Verkuil <hans.verkuil@cisco.com>2012-08-14 06:10:01 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 18:58:04 -0300
commit071408b6dcc1cb29150699621e13b0ddb81e3cf1 (patch)
treef48a6e8e3caf14539c1e33fe3a72d13b949d2639 /Documentation/DocBook/media/dvb/frontend.xml
parent34affc6a5c75ce6523d7282d56c51bb36c183da7 (diff)
downloadop-kernel-dev-071408b6dcc1cb29150699621e13b0ddb81e3cf1.zip
op-kernel-dev-071408b6dcc1cb29150699621e13b0ddb81e3cf1.tar.gz
[media] DocBook validation fixes
More validation fixes as reported by xmllint. There are still three xmllint errors after this remaining regarding SVG file support. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/dvb/frontend.xml')
-rw-r--r--Documentation/DocBook/media/dvb/frontend.xml20
1 files changed, 11 insertions, 9 deletions
diff --git a/Documentation/DocBook/media/dvb/frontend.xml b/Documentation/DocBook/media/dvb/frontend.xml
index 1ab2e1a..950bdfb 100644
--- a/Documentation/DocBook/media/dvb/frontend.xml
+++ b/Documentation/DocBook/media/dvb/frontend.xml
@@ -264,7 +264,7 @@ and to add newer delivery systems.</para>
<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in
order to be able to support the newer System Delivery like DVB-S2, DVB-T2,
DVB-C2, ISDB, etc.</para>
-<para>All kinds of parameters are combined as an union in the FrontendParameters structure:</para>
+<para>All kinds of parameters are combined as an union in the FrontendParameters structure:
<programlisting>
struct dvb_frontend_parameters {
uint32_t frequency; /&#x22C6; (absolute) frequency in Hz for QAM/OFDM &#x22C6;/
@@ -277,12 +277,13 @@ struct dvb_frontend_parameters {
struct dvb_vsb_parameters vsb;
} u;
};
-</programlisting>
+</programlisting></para>
<para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate
frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of
the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and
OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz.
</para>
+
<section id="dvb-qpsk-parameters">
<title>QPSK parameters</title>
<para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para>
@@ -347,8 +348,8 @@ itself.
<section id="fe-code-rate-t">
<title>frontend code rate</title>
<para>The possible values for the <constant>fec_inner</constant> field used on
-<link refend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and
-<link refend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are:
+<link linkend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and
+<link linkend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are:
</para>
<programlisting>
typedef enum fe_code_rate {
@@ -373,9 +374,9 @@ detection.
<section id="fe-modulation-t">
<title>frontend modulation type for QAM, OFDM and VSB</title>
<para>For cable and terrestrial frontends, e. g. for
-<link refend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>,
-<link refend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and
-<link refend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>,
+<link linkend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>,
+<link linkend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and
+<link linkend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>,
it needs to specify the quadrature modulation mode which can be one of the following:
</para>
<programlisting>
@@ -396,8 +397,8 @@ it needs to specify the quadrature modulation mode which can be one of the follo
} fe_modulation_t;
</programlisting>
</section>
-<para>Finally, there are several more parameters for OFDM:
-</para>
+<section>
+<title>More OFDM parameters</title>
<section id="fe-transmit-mode-t">
<title>Number of carriers per channel</title>
<programlisting>
@@ -453,6 +454,7 @@ typedef enum fe_hierarchy {
} fe_hierarchy_t;
</programlisting>
</section>
+</section>
</section>
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