SoC Audio support for WM8731-based at91sam9x5 board

modulename: snd-soc-sam9x5-wm8731.ko

configname: CONFIG_SND_AT91_SOC_SAM9X5_WM8731

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for WM8731-based at91sam9x5 board
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y if you want to add support for audio SoC on an
at91sam9x5 based board that is using WM8731 codec.

source code: