https://www.kernel.org/doc/Documentation/power/states.txt https://www.kernel.org/doc/Documentation/power/states.txt At least one of those is mentioned there.

https://www.kernel.org/doc/Documentation/power/states.txt https://www.kernel.org/doc/Documentation/power/states.txt At least one of those is mentioned there. But a lot of it depends on the implementation by the OEM, ultimately.