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-<refentry id="vidioc-log-status">
- <refmeta>
- <refentrytitle>ioctl VIDIOC_LOG_STATUS</refentrytitle>
- &manvol;
- </refmeta>
-
- <refnamediv>
- <refname>VIDIOC_LOG_STATUS</refname>
- <refpurpose>Log driver status information</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <funcsynopsis>
- <funcprototype>
- <funcdef>int <function>ioctl</function></funcdef>
- <paramdef>int <parameter>fd</parameter></paramdef>
- <paramdef>int <parameter>request</parameter></paramdef>
- </funcprototype>
- </funcsynopsis>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Description</title>
-
- <para>As the video/audio devices become more complicated it
-becomes harder to debug problems. When this ioctl is called the driver
-will output the current device status to the kernel log. This is
-particular useful when dealing with problems like no sound, no video
-and incorrectly tuned channels. Also many modern devices autodetect
-video and audio standards and this ioctl will report what the device
-thinks what the standard is. Mismatches may give an indication where
-the problem is.</para>
-
- <para>This ioctl is optional and not all drivers support it. It
-was introduced in Linux 2.6.15.</para>
- </refsect1>
-
- <refsect1>
- &return-value;
- </refsect1>
-</refentry>