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Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml b/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml deleted file mode 100644 index 2e87cedb0d32..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-enumaudioout.xml +++ /dev/null @@ -1,79 +0,0 @@ -<refentry id="vidioc-enumaudioout"> - <refmeta> - <refentrytitle>ioctl VIDIOC_ENUMAUDOUT</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_ENUMAUDOUT</refname> - <refpurpose>Enumerate audio outputs</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct v4l2_audioout *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>VIDIOC_ENUMAUDOUT</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>To query the attributes of an audio output applications -initialize the <structfield>index</structfield> field and zero out the -<structfield>reserved</structfield> array of a &v4l2-audioout; and -call the <constant>VIDIOC_G_AUDOUT</constant> ioctl with a pointer -to this structure. Drivers fill the rest of the structure or return an -&EINVAL; when the index is out of bounds. To enumerate all audio -outputs applications shall begin at index zero, incrementing by one -until the driver returns <errorcode>EINVAL</errorcode>.</para> - - <para>Note connectors on a TV card to loop back the received audio -signal to a sound card are not audio outputs in this sense.</para> - - <para>See <xref linkend="vidioc-g-audioout" /> for a description of -&v4l2-audioout;.</para> - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>The number of the audio output is out of bounds.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> |