CONFIG_MEDIA_CONTROLLER_REQUEST_API (not configurable)

configname: CONFIG_MEDIA_CONTROLLER_REQUEST_API

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Media controller options
└─>MEDIA_CONTROLLER_REQUEST_API
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables the Request API for the Media controller and V4L2
interfaces. It is currently needed by a few stateless codec drivers.