CONFIG_SND_SOC_L3 (not configurable)

modulename: snd-soc-l3.ko

configname: CONFIG_SND_SOC_L3

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_SOC_L3
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
source code:
sound/soc//codecs/