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-rw-r--r--Documentation/DocBook/media/dvb/dvbproperty.xml100
1 files changed, 32 insertions, 68 deletions
diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index f9680b0302b3..28ea62067af6 100644
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -70,7 +70,7 @@ struct dtv_properties {
<section>
<title>Property types</title>
<para>
-On <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link>/<link linkend="FE_SET_PROPERTY">FE_SET_PROPERTY</link>,
+On <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY and FE_SET_PROPERTY</link>,
the actual action is determined by the dtv_property cmd/data pairs. With one single ioctl, is possible to
get/set up to 64 properties. The actual meaning of each property is described on the next sections.
</para>
@@ -1223,14 +1223,14 @@ enum fe_interleaving {
<refentry id="FE_GET_PROPERTY">
<refmeta>
- <refentrytitle>ioctl FE_GET_PROPERTY</refentrytitle>
+ <refentrytitle>ioctl FE_SET_PROPERTY, FE_GET_PROPERTY</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
- <refname>FE_GET_PROPERTY</refname>
- <refpurpose>Returns one or more frontend properties. This call only
- requires read-only access to the device</refpurpose>
+ <refname>FE_SET_PROPERTY and FE_GET_PROPERTY</refname>
+ <refpurpose>FE_SET_PROPERTY sets one or more frontend properties.
+ FE_GET_PROPERTY returns one or more frontend properties.</refpurpose>
</refnamediv>
<refsynopsisdiv>
@@ -1256,7 +1256,7 @@ enum fe_interleaving {
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
- <para>FE_GET_PROPERTY</para>
+ <para>FE_SET_PROPERTY, FE_GET_PROPERTY</para>
</listitem>
</varlistentry>
<varlistentry>
@@ -1272,68 +1272,32 @@ enum fe_interleaving {
<title>Description</title>
<para>All DVB frontend devices support the
-<constant>FE_GET_PROPERTY</constant> ioctl. It is used to get properties and
-statistics from the frontend.
+<constant>FE_SET_PROPERTY</constant> and <constant>FE_GET_PROPERTY</constant>
+ioctls. The supported properties and statistics depends on the delivery system
+and on the device:</para>
+<itemizedlist>
+<listitem>
+ <para><constant>FE_SET_PROPERTY:</constant></para>
+<itemizedlist>
+<listitem>This ioctl is used to set one or more
+ frontend properties.</listitem>
+<listitem>This is the basic command to request the frontend to tune into some
+ frequency and to start decoding the digital TV signal.</listitem>
+<listitem>This call requires read/write access to the device.</listitem>
+<listitem>At return, the values are updated to reflect the
+ actual parameters used.</listitem>
+</itemizedlist>
+</listitem>
+<listitem>
+ <para><constant>FE_GET_PROPERTY:</constant></para>
+<itemizedlist>
+<listitem>This ioctl is used to get properties and
+statistics from the frontend.</listitem>
+<listitem>No properties are changed, and statistics aren't reset.</listitem>
+<listitem>This call only requires read-only access to the device.</listitem>
+</itemizedlist>
+</listitem>
+</itemizedlist>
&return-value-dvb;.
-</para>
-</refsect1>
-</refentry>
-
-<refentry id="FE_SET_PROPERTY">
- <refmeta>
- <refentrytitle>ioctl FE_SET_PROPERTY</refentrytitle>
- &manvol;
- </refmeta>
-
- <refnamediv>
- <refname>FE_SET_PROPERTY</refname>
- <refpurpose>Sets one or more frontend properties. This call
- requires read/write access to the device</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <funcsynopsis>
- <funcprototype>
- <funcdef>int <function>ioctl</function></funcdef>
- <paramdef>int <parameter>fd</parameter></paramdef>
- <paramdef>int <parameter>request</parameter></paramdef>
- <paramdef>&dtv-property; *<parameter>argp</parameter></paramdef>
- </funcprototype>
- </funcsynopsis>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Arguments</title>
- <variablelist>
- <varlistentry>
- <term><parameter>fd</parameter></term>
- <listitem>
- <para>&fe_fd;</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><parameter>request</parameter></term>
- <listitem>
- <para>FE_SET_PROPERTY</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><parameter>argp</parameter></term>
- <listitem>
- <para>pointer to &dtv-property;</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
- <refsect1>
- <title>Description</title>
-
- <para>All DVB frontend devices support the
-<constant>FE_SET_PROPERTY</constant> ioctl. It is used to sets one or more
-frontend properties. This is the basic command to request the frontend to tune
-into some frequency and to start decoding the digital TV signal.
-&return-value-dvb;.
-</para>
</refsect1>
</refentry>