SoC I2S Audio support for WM8994 on SMDK

modulename: snd-soc-smdk-wm8994.ko

configname: CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>I2C support
└─>SoC I2S Audio support for WM8994 on SMDK
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Say Y if you want to add support for SoC audio on the SMDKs.

source code:
sound/soc//samsung/