Cypress StreetFighter touchkey support

modulename: cypress-sf.ko

configname: CONFIG_KEYBOARD_CYPRESS_SF

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Keyboards
└─>Cypress StreetFighter touchkey support
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here if you want to enable support for Cypress StreetFighter
touchkeys.

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

source code: