Imagination SPDIF Output Device Driver

modulename: img-spdif-out.ko

configname: CONFIG_SND_SOC_IMG_SPDIF_OUT

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Imagination SPDIF Output Device Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y or M if you want to add support for SPDIF out driver for
Imagination Technologies SPDIF out device.

source code:
sound/soc//img/img-spdif-out.c