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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 03:29:33 +0200 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 03:29:33 +0200 |
commit | 15dfd0df63ce6847081d09b2bbd567cc0cc4eae1 (patch) | |
tree | 3b73f24fcef970bfcace3cbb297cfa57f3994682 /Documentation/DocBook/v4l/vidioc-querystd.xml | |
parent | 328aa7a45af61bc0060c80847daa67fef7b9c0d0 (diff) | |
parent | 0149138c4142da287d23f9d5c6038f7fb5e30ac2 (diff) | |
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initial merge with 3.2.72
Diffstat (limited to 'Documentation/DocBook/v4l/vidioc-querystd.xml')
-rw-r--r-- | Documentation/DocBook/v4l/vidioc-querystd.xml | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/Documentation/DocBook/v4l/vidioc-querystd.xml b/Documentation/DocBook/v4l/vidioc-querystd.xml deleted file mode 100644 index 1a9e603..0000000 --- a/Documentation/DocBook/v4l/vidioc-querystd.xml +++ /dev/null @@ -1,89 +0,0 @@ -<refentry id="vidioc-querystd"> - <refmeta> - <refentrytitle>ioctl VIDIOC_QUERYSTD</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_QUERYSTD</refname> - <refpurpose>Sense the video standard received by the current -input</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>v4l2_std_id *<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_QUERYSTD</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>The hardware may be able to detect the current video -standard automatically. To do so, applications call <constant> -VIDIOC_QUERYSTD</constant> with a pointer to a &v4l2-std-id; type. The -driver stores here a set of candidates, this can be a single flag or a -set of supported standards if for example the hardware can only -distinguish between 50 and 60 Hz systems. When detection is not -possible or fails, the set must contain all standards supported by the -current video input or output.</para> - - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>This ioctl is not supported.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EBUSY</errorcode></term> - <listitem> - <para>The device is busy and therefore can not detect the standard</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> - -<!-- -Local Variables: -mode: sgml -sgml-parent-document: "v4l2.sgml" -indent-tabs-mode: nil -End: ---> |