Wacom Bluetooth devices power supply status support

configname: CONFIG_HID_WACOM_POWER_SUPPLY

Linux Kernel Configuration
└─>Device Drivers
└─>HID Devices
└─>Special HID drivers
└─>Wacom Bluetooth devices power supply status support
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Say Y here if you want to enable power supply status monitoring for
Wacom Bluetooth devices.