From: Aaron Lu <aaron.lu@intel.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Len Brown <lenb@kernel.org>,
Huang Ying <ying.huang@intel.com>,
Zhang Rui <rui.zhang@intel.com>,
linux-acpi@vger.kernel.org
Subject: Re: Discussion on device's runtime wake capability
Date: Wed, 10 Oct 2012 08:55:46 +0800 [thread overview]
Message-ID: <5074C792.1030109@intel.com> (raw)
In-Reply-To: <20121009205723.GA12385@srcf.ucam.org>
On 10/10/2012 04:57 AM, Matthew Garrett wrote:
> On Tue, Oct 09, 2012 at 10:48:58PM +0200, Rafael J. Wysocki wrote:
>
>> Why do you think so? How can you be sure that those resources are not needed
>> to provide wakeup power to the device (or whatever generates the wakeup signal
>> on its behalf))?
>
> Right. For instance, on some Thinkpads turning off the power resources
> cuts power to the port entirely - there's no way to generate wakeups if
> there's no 5V line...
Thanks for the info, and I've a question.
Are these ports run wake capable? i.e. do they have a _S0W object?
-Aaron
next prev parent reply other threads:[~2012-10-10 0:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-09 6:23 Discussion on device's runtime wake capability Aaron Lu
2012-10-09 6:39 ` Zhang, Rui
2012-10-09 14:44 ` Aaron Lu
2012-10-09 20:51 ` Rafael J. Wysocki
2012-10-09 20:50 ` Rafael J. Wysocki
2012-10-09 20:48 ` Rafael J. Wysocki
2012-10-09 20:57 ` Matthew Garrett
2012-10-10 0:55 ` Aaron Lu [this message]
2012-10-10 0:53 ` Aaron Lu
2012-10-10 7:54 ` Aaron Lu
2012-10-10 22:59 ` Rafael J. Wysocki
2012-10-11 0:47 ` Aaron Lu
2012-10-11 17:18 ` Rafael J. Wysocki
2012-10-12 14:15 ` Aaron Lu
2012-10-13 17:13 ` Rafael J. Wysocki
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