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 - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
