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Message-ID: <20070405092638.GA30208@srcf.ucam.org>
Date: Thu, 5 Apr 2007 10:26:38 +0100
From: Matthew Garrett <mjg59@...f.ucam.org>
To: David Brownell <david-b@...bell.net>
Cc: Linux Kernel list <linux-kernel@...r.kernel.org>,
Linux ACPI list <linux-acpi@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 2.6.21-rc5-git] make /proc/acpi/wakeup more useful
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@...f.ucam.org
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