Hello,

I'm trying to write some ACPI code to support an EC. I don't know if I need to write an smihandler.c for the boards.

I saw some mainboard code. Older boards such as lenovo/x200 have no smihandler.c, but newer boards such as lenovo/x220 have. Also, I don't know much about things like GPE, SCI, ..., even after I look at the ACPI specification.

So can some one sort out what happens when there is a event (e.g. Lid open/close), and what the EC and ACPI OS should do. What needs to be added in the mainboard code?

Thanks,

Iru

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