What’s the meanings of power state Link to heading

https://www.kernel.org/doc/Documentation/power/states.txt

https://www.kernel.org/doc/Documentation/power/interface.txt

  • In /sys/power/state
    • “mem” is controlled by the /sys/power/mem_sleep file
    • “standby” - Power-On Suspend (if supported)
    • “freeze” - Suspend-To-Idle
    • “disk”, hibernation (Suspend-To-Disk).
  • In /sys/power/mem_sleep
    • “s2idle” (Suspend-To-Idle)
    • “shallow” (Power-On Suspend)
    • “deep” (Suspend-To-RAM)
  • In /sys/power/disk
    • ‘platform’ (put the system into sleep using a platform-provided method)
    • ‘shutdown’ (shut the system down)
    • ‘reboot’ (reboot the system)
    • ‘suspend’ (trigger a Suspend-to-RAM transition)
    • ’test_resume’ (resume-after-hibernation test mode)