CONFIG_SND_SAMSUNG_I2S (not configurable)

modulename: snd-soc-i2s.ko

and/or

snd-soc-idma.ko

configname: CONFIG_SND_SAMSUNG_I2S

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_SAMSUNG_I2S
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
source code:
sound/soc//samsung/