Re: [patch 2.6.21-rc5-git] make /proc/acpi/wakeup more useful

Matthew Garrett
2007-04-05T09:26:50Z

On Tue, Apr 03, 2007 at 05:41:42PM -0700, David Brownell wrote:
> This updates /proc/acpi/wakeup to be more informative, primarily by showing
> the sysfs node associated with each wakeup-enabled device. Example:

This looks good.

> S139 S4 disabled

Any idea what this one is? There's the potential for all sorts of weird
platform devices to expose wakeup capabilities.

> Eventually this file should be removed, but until then it's almost the only
> way we have to tell how the relevant ACPI tables are broken (and cope). In
> that example, two devices don't actually exist (USB3, S139), one can't issue
> wakeup events (PCI0), and two seem harmlessly (?) confused (MDM and AUD are
> the same PCI device, but it's the _modem_ that does wake-on-ring).

Could the MDM entry be referring to the modem codec on the ac97 or
hda bus?

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