[media] DVB API: LNA documentation

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index 3eebdac..957e3ac 100644 (file)
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -838,6 +838,17 @@ enum fe_interleaving {
 };
        </programlisting>
        </section>
+       <section id="DTV-LNA">
+       <title><constant>DTV_LNA</constant></title>
+       <para>Low-noise amplifier.</para>
+       <para>Hardware might offer controllable LNA which can be set manually
+               using that parameter. Usually LNA could be found only from
+               terrestrial devices if at all.</para>
+       <para>Possible values: 0, 1, LNA_AUTO</para>
+       <para>0, LNA off</para>
+       <para>1, LNA on</para>
+       <para>use the special macro LNA_AUTO to set LNA auto</para>
+       </section>
 </section>
        <section id="frontend-property-terrestrial-systems">
        <title>Properties used on terrestrial delivery systems</title>
@@ -858,6 +869,7 @@ enum fe_interleaving {
                                <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
                                <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
                                <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
+                               <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
                        </itemizedlist>
                </section>
                <section id="dvbt2-params">
@@ -881,6 +893,7 @@ enum fe_interleaving {
                        <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
+                       <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
                </itemizedlist>
                </section>
                <section id="isdbt">
@@ -992,6 +1005,7 @@ enum fe_interleaving {
                                <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
                                <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
                                <listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem>
+                               <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
                        </itemizedlist>
                </section>
        </section>
@@ -1012,6 +1026,7 @@ enum fe_interleaving {
                        <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
+                       <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
                </itemizedlist>
        </section>
        <section id="dvbc-annex-b-params">
@@ -1026,6 +1041,7 @@ enum fe_interleaving {
                        <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
                        <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
+                       <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
                </itemizedlist>
        </section>
        </section>