Abstract Control Model (CDC ACM)

configname: CONFIG_USB_CONFIGFS_ACM

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>Abstract Control Model (CDC ACM)
In linux kernel since version 3.11 (release Date: 2013-09-02)  
ACM serial link. This function can be used to interoperate with
MS-Windows hosts or with the Linux-USB "cdc-acm" driver.