STPMIC1 PMIC Onkey support

modulename: stpmic1_onkey.ko

configname: CONFIG_INPUT_STPMIC1_ONKEY

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Miscellaneous devices
└─>STPMIC1 PMIC Onkey support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Say Y to enable support of onkey embedded into STPMIC1 PMIC. onkey
can be used to wakeup from low power modes and force a shut-down on
long press.

To compile this driver as a module, choose M here: the
module will be called stpmic1_onkey.

source code: