XTFPGA I2S master

modulename: snd-soc-xtfpga-i2s.ko

configname: CONFIG_SND_SOC_XTFPGA_I2S

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>XTFPGA I2S master
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y or M if you want to add support for codecs attached to the
I2S interface on XTFPGA daughter board. You will also need to select
the drivers for the rest of XTFPGA audio subsystem.

source code: