SoC AC97 Audio support for SMDK with WM9713

modulename: snd-soc-smdk-wm9713.ko

configname: CONFIG_SND_SOC_SAMSUNG_SMDK_WM9713

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC AC97 Audio support for SMDK with WM9713
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Sat Y if you want to add support for SoC audio on the SMDK.

source code:
sound/soc//samsung/