Intel Langwell USB OTG dual-role support

modulename: langwell_otg.ko

configname: CONFIG_USB_LANGWELL_OTG

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>Intel Langwell USB OTG dual-role support
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Say Y here if you want to build Intel Langwell USB OTG
transciever driver in kernel. This driver implements role
switch between EHCI host driver and Langwell USB OTG
client driver.

To compile this driver as a module, choose M here: the
module will be called langwell_otg.

source code: