The power-control interface

The power-control interface allows the reading and setting of system power settings.

This interface is primarily intended to be used with Ubuntu Core.

Interface documentation:
See Interface management and Supported interfaces for further details on how interfaces are used.


Developer details

Auto-connect: no

This interface enables:

  • reading of all power settings:
    /sys/devices/**/power/
  • setting wake-up events for supported devices:
    /sys/devices/**/power/wakeup
  • configuring power management for supported devices at runtime:
    /sys/devices/**/power/control

Code examples

The test code can be found in the snapd repository: https://github.com/snapcore/snapd/blob/master/interfaces/builtin/power_control_test.go

The source code for the interface is in the snapd repository: https://github.com/snapcore/snapd/blob/master/interfaces/builtin/power_control.go