RMI4 Function 54 (Analog diagnostics)

configname: CONFIG_RMI4_F54

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>RMI4 Function 54 (Analog diagnostics)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to add support for RMI4 function 54

Function 54 provides access to various diagnostic features in certain
RMI4 touch sensors.