1What:		/sys/class/power_supply/<supply_name>/alarm
 2Date:		April 2021
 3KernelVersion:	5.13
 4Contact:	Maximilian Luz <luzmaximilian@gmail.com>
 5Description:
 6		Battery trip point. When the remaining battery capacity crosses this
 7		value in either direction, the system will be notified and if
 8		necessary woken.
 9
10		Set to zero to clear/disable.
11
12		Access: Read, Write
13
14		Valid values: In micro-Wh or micro-Ah, depending on the power unit
15		of the battery