Re: Power Mangement Interfaces

Zhang Rui
2007-04-05T08:32:04Z

On Wed, 2007-04-04 at 11:44 -0700, David Brownell wrote:
> On Wednesday 04 April 2007 9:15 am, Johannes Berg wrote:
> >
> > How would I go about representing the lid as a device? It's an honest
> > question, I'd actually like to do and replace the /proc/pmu/options file
> > it but don't know where I should put it etc.
>
> I'm not sure I understand the question. ACPI has a special "acpi_device"
> node (not backed by any "real" device, PNPACPI etc) with a driver that
> hooks up to the input subsystem. Same is true for a couple other fixed
> function buttons. I'd expect non-ACPI platforms would do something very
> similar, except using platform_device and looking less cryptic.
>
> As for hooking things up to the driver model wakeup event stuff, ACPI
> doesn't do that yet. I've got some patches in the works;
Good to know. Please add linux-acpi@vger.kernel.org to the cc list when
you want to send them out. :>

Thanks,
Rui