Realtek RTL8723AU Wireless LAN NIC driver (deprecated)

modulename: r8723au.ko

configname: CONFIG_R8723AU

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Wireless LAN
└─>Realtek RTL8723AU Wireless LAN NIC driver (deprecated)
In linux kernel since version 3.15 (release Date: 2014-06-08)  
This option adds the Realtek RTL8723AU USB device such as found in
the Lenovo Yoga 13 tablet. If built as a module, it will be called r8723au.

Note: This driver is deprecated and scheduled to be removed in a
future kernel release. Please use rtl8xxxu instead.

source code: