Palmas Power button Driver

modulename: palmas-pwrbutton.ko

configname: CONFIG_INPUT_PALMAS_PWRBUTTON

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Miscellaneous devices
└─>Palmas Power button Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to enable power key reporting via the
Palmas family of PMICs.

To compile this driver as a module, choose M here. The module will
be called palmas_pwrbutton.

source code: