Renesas Digitial Radio Interface (DRIF)

modulename: rcar_drif.ko

configname: CONFIG_VIDEO_RCAR_DRIF

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>SDR platform devices
└─>Renesas Digitial Radio Interface (DRIF)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y if you want to enable R-Car Gen3 DRIF support. DRIF is Digital
Radio Interface that interfaces with an RF front end chip. It is a
receiver of digital data which uses DMA to transfer received data to
a configured location for an application to use.

To compile this driver as a module, choose M here; the module
will be called rcar_drif.

source code: