Wolfson Microelectronics WM8728 DAC

modulename: snd-soc-wm8728.ko

configname: CONFIG_SND_SOC_WM8728

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Wolfson Microelectronics WM8728 DAC
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
source code:
sound/soc//codecs/

is depended by
CONFIG_SND_SOC_ALL_CODECS