SoC Audio support for Tegra boards using a WM9712 codec

modulename: snd-soc-tegra-wm9712.ko

configname: CONFIG_SND_SOC_TEGRA_WM9712

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for Tegra boards using a WM9712 codec
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y or M here if you want to add support for SoC audio on Tegra
boards using the WM9712 (or compatible) codec.

source code:
sound/soc//tegra/