SoundWire support

modulename: soundwire-bus.ko

configname: CONFIG_SOUNDWIRE

Linux Kernel Configuration
└─>Device Drivers
└─>Device Tree and Open Firmware support
└─>SoundWire support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
SoundWire is a 2-Pin interface with data and clock line ratified
by the MIPI Alliance. SoundWire is used for transporting data
typically related to audio functions. SoundWire interface is
optimized to integrate audio devices in mobile or mobile inspired
systems. Say Y to enable this subsystem, N if you do not have such
a device

source code:
drivers/soundwire/
depends
CONFIG_ACPI or CONFIG_OF