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Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml deleted file mode 100644 index 0bcb278fd062..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml +++ /dev/null @@ -1,124 +0,0 @@ -<refentry id="vidioc-subdev-enum-mbus-code"> - <refmeta> - <refentrytitle>ioctl VIDIOC_SUBDEV_ENUM_MBUS_CODE</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_SUBDEV_ENUM_MBUS_CODE</refname> - <refpurpose>Enumerate media bus formats</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_subdev_mbus_code_enum * - <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_SUBDEV_ENUM_MBUS_CODE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <note> - <title>Experimental</title> - <para>This is an <link linkend="experimental">experimental</link> - interface and may change in the future.</para> - </note> - - <para>To enumerate media bus formats available at a given sub-device pad - applications initialize the <structfield>pad</structfield>, <structfield>which</structfield> - and <structfield>index</structfield> fields of &v4l2-subdev-mbus-code-enum; and - call the <constant>VIDIOC_SUBDEV_ENUM_MBUS_CODE</constant> ioctl with a - pointer to this structure. Drivers fill the rest of the structure or return - an &EINVAL; if either the <structfield>pad</structfield> or - <structfield>index</structfield> are invalid. All media bus formats are - enumerable by beginning at index zero and incrementing by one until - <errorcode>EINVAL</errorcode> is returned.</para> - - <para>Available media bus formats may depend on the current 'try' formats - at other pads of the sub-device, as well as on the current active links. See - &VIDIOC-SUBDEV-G-FMT; for more information about the try formats.</para> - - <table pgwide="1" frame="none" id="v4l2-subdev-mbus-code-enum"> - <title>struct <structname>v4l2_subdev_mbus_code_enum</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>__u32</entry> - <entry><structfield>pad</structfield></entry> - <entry>Pad number as reported by the media controller API.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>index</structfield></entry> - <entry>Number of the format in the enumeration, set by the - application.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>code</structfield></entry> - <entry>The media bus format code, as defined in - <xref linkend="v4l2-mbus-format" />.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>which</structfield></entry> - <entry>Media bus format codes to be enumerated, from &v4l2-subdev-format-whence;.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>reserved</structfield>[8]</entry> - <entry>Reserved for future extensions. Applications and drivers must - set the array to zero.</entry> - </row> - </tbody> - </tgroup> - </table> - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>The &v4l2-subdev-mbus-code-enum; <structfield>pad</structfield> - references a non-existing pad, or the <structfield>index</structfield> - field is out of bounds.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> |