ioctl MEDIA_IOC_DEVICE_INFO
***************************
-*man MEDIA_IOC_DEVICE_INFO(2)*
+NAME
+====
-Query device information
+MEDIA_IOC_DEVICE_INFO - Query device information
-
-Synopsis
+SYNOPSIS
========
.. cpp:function:: int ioctl( int fd, int request, struct media_device_info *argp )
-Arguments
+
+ARGUMENTS
=========
``fd``
``argp``
-Description
+DESCRIPTION
===========
All media devices must support the ``MEDIA_IOC_DEVICE_INFO`` ioctl. To
vary across reboots or device unplug/replug.
-Return Value
+RETURN VALUE
============
On success 0 is returned, on error -1 and the ``errno`` variable is set