R-Car series SRU/SCU/SSIU/SSI support

modulename: snd-soc-rcar.ko

configname: CONFIG_SND_SOC_RCAR

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for Renesas SoCs
└─>Device Tree and Open Firmware support
└─>R-Car series SRU/SCU/SSIU/SSI support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables R-Car SRU/SCU/SSIU/SSI sound support

source code:
sound/soc//sh/rcar/