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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-09-13 22:16:04 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-18 23:47:55 -0300
commit8e080c2e6cadada82a6b520e0c23a1cb974822d5 (patch)
tree991450ff1abba98e5313906478c33816a202ccab /Documentation/DocBook/v4l/func-close.xml
parentf4e96deb4513d044653027d4921fd7592195503a (diff)
downloadlwn-8e080c2e6cadada82a6b520e0c23a1cb974822d5.tar.gz
lwn-8e080c2e6cadada82a6b520e0c23a1cb974822d5.zip
V4L/DVB (12761): DocBook: add media API specs
The V4L and DVB API's are there for a long time. however, up to now, no efforts were done to merge them to kernel DocBook. This patch adds the current versions of the specs as an unique compendium. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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diff --git a/Documentation/DocBook/v4l/func-close.xml b/Documentation/DocBook/v4l/func-close.xml
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+<refentry id="func-close">
+ <refmeta>
+ <refentrytitle>V4L2 close()</refentrytitle>
+ &manvol;
+ </refmeta>
+
+ <refnamediv>
+ <refname>v4l2-close</refname>
+ <refpurpose>Close a V4L2 device</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcsynopsisinfo>#include &lt;unistd.h&gt;</funcsynopsisinfo>
+ <funcprototype>
+ <funcdef>int <function>close</function></funcdef>
+ <paramdef>int <parameter>fd</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Arguments</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><parameter>fd</parameter></term>
+ <listitem>
+ <para>&fd;</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>Closes the device. Any I/O in progress is terminated and
+resources associated with the file descriptor are freed. However data
+format parameters, current input or output, control values or other
+properties remain unchanged.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Return Value</title>
+
+ <para>The function returns <returnvalue>0</returnvalue> on
+success, <returnvalue>-1</returnvalue> on failure and the
+<varname>errno</varname> is set appropriately. Possible error
+codes:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><errorcode>EBADF</errorcode></term>
+ <listitem>
+ <para><parameter>fd</parameter> is not a valid open file
+descriptor.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+</refentry>
+
+<!--
+Local Variables:
+mode: sgml
+sgml-parent-document: "v4l2.sgml"
+indent-tabs-mode: nil
+End:
+-->