Cirrus Logic CS42L42 CODEC

modulename: snd-soc-cs42l42-i2c.ko

and/or

snd-soc-cs42l42.ko

configname: CONFIG_SND_SOC_CS42L42

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Cirrus Logic CS42L42 CODEC
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code: