Texas Instruments TAS571x power amplifiers

modulename: snd-soc-tas571x.ko

configname: CONFIG_SND_SOC_TAS571X

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Texas Instruments TAS571x power amplifiers
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable support for Texas Instruments TAS5707, TAS5711, TAS5717,
TAS5719 and TAS5721 power amplifiers

source code: