Synaptics RMI4 bus support

modulename: rmi_core.ko

configname: CONFIG_RMI4_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Synaptics RMI4 bus support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to support the Synaptics RMI4 bus. This is
required for all RMI4 device support.

If unsure, say Y.

source code: