Re: USB runtime D3

Matthew Garrett
2009-07-30T03:18:54Z

On Thu, Jul 30, 2009 at 11:17:23AM +0800, Shaohua Li wrote:
> On Thu, Jul 30, 2009 at 10:56:57AM +0800, Matthew Garrett wrote:
> > Yes, that would basically work for me. I'm still slightly curious as to
> > why my hardware's not giving me the correct ACPI notification, though -
> > I guess this may be entirely untested under Windows.
> IIRC, you don't need to know which GPE for wakeup. The GPE is already enabled.
> And all required are just to register a notifier handler (register_acpi_bus_notifier), and check the ACPI_NOTIFY_DEVICE_WAKE event.

The problem is that the GPE method in the DSDT calls an SMI to work out
which device generated the notification, and that SMI claims that none
of them did. This means that no notification is sent. I may have to try
to find someone in Dell to ask about this.

--
Matthew Garrett | mjg59@srcf.ucam.org