Hi!
> I've got two questions regarding the implementation of the ACPI poweroff/sleep
> code in drivers/acpi/sleep and drivers/acpi/hardware .
>
> 1) We don't seem to use the _TTS system-control method, although the ACPI
> specification (ACPI 3.0b) says that this method should be used for intiating
> and finishing power transitions. Could you please tell me why we
> don't use it?
I guess we simply overlooked that :-(.
> 2) In the functions acpi_enter_sleep_state_prep(), acpi_enter_sleep_state(),
> acpi_leave_sleep_state() we manipulate GPEs quite extensively (we disable
> and enable them for a couple of times during a transition), although the
> specification doesn't tell anything about that explicitly. Could you please
> explain to me what the purpose of that is?
We have had some notebooks auto-waking-up just after suspend. Perhaps
those hacks are workarounds for that problem?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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