ACPI support for add-on devices driver

[siva <sivakumar.subramani-uxC5H9eHYlcAvxtiuMwx3w@public.gmane.org>]

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Hi all,

I like know what I need to do if I want to have ACPI power management 
support in my driver for an add-on device. When I am browsing APM 
implementation, I found that Linux kernel have general PM Interfaces 
like pm_regsiter and pm_unregsiter. In APM driver, pm_send is being 
called to send notification to all registered add-on devices.

In the case of ACPI, we have Device power state D0,D1,D2,D3. I like to 
know how the interface between the ACPI driver, PM interface and ADD-ON Driver happens.
Can any one please send me some details about it?

Thanks,
Siva







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