CONFIG_SND_SOC_WM9712 (not configurable)

modulename: snd-soc-wm9712.ko

configname: CONFIG_SND_SOC_WM9712

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_SOC_WM9712
In linux kernel since version 2.6.21.1 (release Date: 2007-04-27)  
source code:
sound/soc//codecs/