SoC PCM Audio support for WM8994 on SMDK

modulename: snd-soc-smdk-wm8994pcm.ko

configname: CONFIG_SND_SOC_SMDK_WM8994_PCM

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC PCM Audio support for WM8994 on SMDK
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y if you want to add support for SoC audio on the SMDK

source code:
sound/soc//samsung/