SoC Audio support for i.MX boards with S/PDIF

modulename: snd-soc-imx-spdif.ko

configname: CONFIG_SND_SOC_IMX_SPDIF

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for Freescale CPUs
└─>SoC Audio support for i.MX boards with S/PDIF
In linux kernel since version 3.10 (release Date: 2013-06-30)  
SoC Audio support for i.MX boards with S/PDIF
Say Y if you want to add support for SoC audio on an i.MX board with
a S/DPDIF.

source code: