Re: 2.6.24: (ACPI AC adapter) sending {proc,netlink,kobject}_event from -> resume method?

From: Rafael J. Wysocki
Date: Tue Oct 30 2007 - 17:11:46 EST


On Tuesday, 30 October 2007 20:33, Andrey Borzenkov wrote:
> Is it valid to send events from within ->resume device method?

It is or at least it should be. The GPEs are supposed to be fully functional
at this point.

> If not, what is the proper way to notify user space about hardware changes
> during suspension?
> Specifically it seems that new sysfs ACPI power supply interface sometimes
> missing plugged in AC cord during suspend. I suspect that no event is
> generated for this; I am not sure whether ACPI is required to generate such
> events at all in this case.
>
> I'll need some time to get reproducible case so I do not categorize this yet
> as regression.

Is the "[2.6.24-rc1 regression] AC adapter state does not change after resume"
message a follow-up to this one?

Rafael
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