From: Dave Jones <davej@redhat.com>
To: Jiri Kosina <jikos@jikos.cz>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>, Greg KH <gregkh@suse.de>,
Rogan Dawes <lists@dawes.za.net>,
Oliver Neukum <oliver@neukum.org>,
linux-kernel@vger.kernel.org,
David Brownell <david-b@pacbell.net>,
Alan Stern <stern@rowland.harvard.edu>,
linux-usb-devel@lists.sourceforge.net
Subject: Re: [linux-usb-devel] [PATCH] USB: Only enable autosuspend by default on certain device classes
Date: Fri, 3 Aug 2007 10:53:21 -0400 [thread overview]
Message-ID: <20070803145321.GB17138@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0708031636160.26230@twin.jikos.cz>
On Fri, Aug 03, 2007 at 04:43:16PM +0200, Jiri Kosina wrote:
> On Fri, 3 Aug 2007, Matthew Garrett wrote:
>
> > Windows will autosuspend hubs, bluetooth devices, HID devices
>
> Hi Matthew,
>
> are you sure about windows suspending the HID devices in runtime? I have
> never seen LEDs of USB keyboard connected to windows host to go off after
> some time of not using it.
Not so sure about keyboards, but I've seen the LEDs on USB mice dim or go off
after a few seconds of inactivity under Windows, but under Linux they stay on.
> We have been playing with runtime autosuspend of HID devices, are
> currently postponed the full support, as it turns out that many devices
> don't support this feature properly (probably due to not being tested in
> Windows).
Interesting. Which devices did you notice failing?
Was it a case that they would sleep and not come back out of that state?
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2007-08-03 15:04 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-02 23:56 [PATCH] USB: Only enable autosuspend by default on certain device classes Matthew Garrett
2007-08-03 1:15 ` Greg KH
2007-08-03 1:47 ` Matthew Garrett
2007-08-03 2:46 ` [linux-usb-devel] " Alan Stern
2007-08-03 6:01 ` David Brownell
2007-08-03 11:28 ` Matthew Garrett
2007-08-03 11:44 ` Oliver Neukum
2007-08-03 12:04 ` Matthew Garrett
2007-08-03 12:26 ` Rogan Dawes
2007-08-03 12:32 ` Matthew Garrett
2007-08-03 14:01 ` David Brownell
2007-08-03 14:09 ` Matthew Garrett
2007-08-03 14:28 ` Alan Stern
2007-08-03 14:33 ` Matthew Garrett
2007-08-03 14:41 ` Alan Stern
2007-08-03 15:10 ` Matthew Garrett
2007-08-03 14:43 ` Jiri Kosina
2007-08-03 14:53 ` Dave Jones [this message]
2007-08-03 14:58 ` [linux-usb-devel] " Jiri Kosina
2007-08-03 15:24 ` David Brownell
2007-08-03 15:29 ` Jiri Kosina
2007-08-03 17:47 ` Alan Stern
2007-08-03 15:25 ` Adam Kropelin
2007-08-03 15:31 ` Jiri Kosina
2007-08-03 15:48 ` Dave Jones
2007-08-03 16:49 ` David Brownell
2007-08-03 16:55 ` Adam Kropelin
2007-08-03 15:06 ` Matthew Garrett
2007-08-03 14:37 ` [linux-usb-devel] " David Brownell
2007-08-03 15:03 ` Matthew Garrett
2007-08-03 16:08 ` Oliver Neukum
2007-08-03 17:49 ` Alan Stern
2007-08-03 20:03 ` Dave Jones
2007-08-03 16:29 ` David Brownell
2007-08-03 16:50 ` Matthew Garrett
2007-08-03 17:49 ` Greg KH
2007-08-03 17:44 ` Greg KH
2007-08-03 17:48 ` Matthew Garrett
2007-08-03 19:29 ` Chuck Ebbert
2007-08-03 19:56 ` Pete Zaitcev
2007-08-07 9:14 ` Amit Kucheria
2007-08-03 20:12 ` [linux-usb-devel] " Dave Jones
2007-08-03 21:17 ` Alan Stern
2007-08-03 21:31 ` Dave Jones
2007-08-03 21:33 ` Matthew Garrett
2007-08-03 12:34 ` Felipe Balbi
2007-08-03 6:06 ` David Brownell
2007-08-03 14:22 ` Dave Jones
2007-08-03 14:52 ` David Brownell
2007-08-03 7:57 ` Oliver Neukum
2007-08-03 14:24 ` Dave Jones
2007-08-03 14:32 ` Oliver Neukum
2007-08-03 14:36 ` [linux-usb-devel] [PATCH] USB: Only enable autosuspend by?default " Dave Jones
2007-08-03 19:34 ` [linux-usb-devel] [PATCH] USB: Only enable autosuspend by default " Pete Zaitcev
2007-08-03 19:45 ` Dave Jones
2007-08-03 20:04 ` Pete Zaitcev
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