CONFIG_SND_SOC_TWL6040 (not configurable)

modulename: snd-soc-twl6040.ko

configname: CONFIG_SND_SOC_TWL6040

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_SOC_TWL6040
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
source code:
sound/soc//codecs/