From: Oliver Neukum <oliver@neukum.org>
To: "Arve Hjønnevåg" <arve@android.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Alan Stern <stern@rowland.harvard.edu>,
"Woodruff, Richard" <r-woodruff2@ti.com>,
Arjan van de Ven <arjan@infradead.org>,
Kyle Moffett <kyle@moffetthome.net>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
pm list <linux-pm@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>,
Nigel Cunningham <nigel@nigel.suspend2.net>,
Matthew Garrett <mjg59@srcf.ucam.org>,
mark gross <mgross@linux.intel.com>,
Uli Luckas <u.luckas@road.de>,
Igor Stoppa <igor.stoppa@nokia.com>,
Brian Swetland <swetland@google.com>, Len Brown <lenb@kernel.org>
Subject: Re: [RFD] Automatic suspend
Date: Wed, 18 Feb 2009 23:44:05 +0100 [thread overview]
Message-ID: <200902182344.12100.oliver@neukum.org> (raw)
In-Reply-To: <d6200be20902181435o1794007bpfbab1f9e41979bad@mail.gmail.com>
Am Wednesday 18 February 2009 23:35:26 schrieb Arve Hjønnevåg:
> >> Allowing user space to suspend input devices while they are still open
> >> is useful. The user-space code that reads from the input devices does
> >> not need to know if the device is suspended or not, and the kernel
> >> cannot auto suspend input devices based on inactivity.
> >
> > Hmm. Why can't it?
>
> Because they stop working. It is OK for us to turn off the touchscreen
> when the screen is off, but when the screen is on the user will touch
> items on the screen and expect them to respond. (We could also turn
> off the touchscreen when the keyguard is on, but we don't currently do
> this.)
This depends on the capabilities of the input device in question. Some
USB keyboards can be autosuspended under these conditions because
they can do remote wakeup.
Regards
Oliver
next prev parent reply other threads:[~2009-02-18 22:48 UTC|newest]
Thread overview: 195+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-15 23:10 Rafael J. Wysocki
2009-02-16 0:44 ` Arjan van de Ven
2009-02-16 2:12 ` Benjamin Herrenschmidt
2009-02-16 2:20 ` Arjan van de Ven
2009-02-16 3:23 ` Benjamin Herrenschmidt
2009-02-16 3:30 ` Arjan van de Ven
2009-02-16 23:05 ` Pavel Machek
2009-02-16 7:06 ` Oliver Neukum
2009-02-16 15:40 ` Arjan van de Ven
2009-02-16 16:48 ` Oliver Neukum
2009-02-16 17:31 ` Arjan van de Ven
2009-02-16 20:08 ` Kyle Moffett
2009-02-16 20:28 ` Arjan van de Ven
2009-02-16 20:39 ` Alan Stern
2009-02-16 20:45 ` Arjan van de Ven
2009-02-16 21:32 ` Woodruff, Richard
2009-02-16 21:52 ` Arjan van de Ven
2009-02-16 22:36 ` Woodruff, Richard
2009-02-16 22:59 ` Arjan van de Ven
2009-02-16 23:19 ` Rafael J. Wysocki
2009-02-16 23:23 ` Matthew Garrett
2009-02-17 10:12 ` Oliver Neukum
2009-02-17 13:58 ` Mark Brown
2009-02-17 14:20 ` Brian Swetland
2009-02-17 14:24 ` Matthew Garrett
2009-02-17 14:56 ` Oliver Neukum
2009-02-17 14:46 ` Arjan van de Ven
2009-02-17 14:51 ` Matthew Garrett
2009-02-17 14:56 ` Arjan van de Ven
2009-02-17 15:32 ` Woodruff, Richard
2009-02-18 0:04 ` Arjan van de Ven
2009-02-18 0:18 ` Woodruff, Richard
2009-02-18 5:35 ` Arjan van de Ven
2009-02-18 0:52 ` mark gross
2009-02-18 5:11 ` Arve Hjønnevåg
2009-02-18 5:55 ` Arjan van de Ven
2009-02-18 15:15 ` Matthew Garrett
2009-02-18 15:20 ` Woodruff, Richard
2009-02-17 14:58 ` Igor Stoppa
2009-02-17 15:28 ` Brian Swetland
2009-02-18 0:55 ` mark gross
2009-02-18 2:40 ` Benjamin Herrenschmidt
2009-02-18 17:48 ` Jesse Barnes
2009-02-18 17:52 ` Matthew Garrett
2009-02-18 18:01 ` Jesse Barnes
2009-02-18 22:05 ` Benjamin Herrenschmidt
2009-03-01 22:51 ` Pavel Machek
2009-02-27 10:00 ` Pavel Machek
2009-02-18 0:45 ` mark gross
2009-02-20 5:35 ` Arve Hjønnevåg
2009-02-20 15:27 ` Arjan van de Ven
2009-02-20 18:22 ` Pavel Machek
2009-02-20 18:26 ` Matthew Garrett
2009-02-20 20:49 ` Rafael J. Wysocki
2009-02-20 22:43 ` Arve Hjønnevåg
2009-02-16 23:41 ` Arjan van de Ven
2009-02-16 23:08 ` Rafael J. Wysocki
2009-02-17 3:09 ` Alan Stern
2009-02-17 23:21 ` Rafael J. Wysocki
2009-02-18 4:46 ` Arve Hjønnevåg
2009-02-18 21:17 ` Rafael J. Wysocki
2009-02-18 22:35 ` Arve Hjønnevåg
2009-02-18 22:44 ` Oliver Neukum [this message]
2009-02-18 23:04 ` Rafael J. Wysocki
2009-02-18 23:31 ` Alan Stern
2009-02-19 12:56 ` Rafael J. Wysocki
2009-02-19 14:59 ` Alan Stern
2009-02-19 21:15 ` Rafael J. Wysocki
2009-02-19 21:56 ` Brian Swetland
2009-02-19 22:08 ` Alan Stern
2009-02-19 22:21 ` Rafael J. Wysocki
2009-02-19 22:58 ` Oliver Neukum
2009-02-20 10:46 ` Rafael J. Wysocki
2009-02-20 22:05 ` Oliver Neukum
2009-02-20 22:44 ` Rafael J. Wysocki
2009-02-20 23:11 ` Arve Hjønnevåg
2009-02-20 23:20 ` Oliver Neukum
2009-02-21 1:59 ` Arve Hjønnevåg
2009-02-20 2:39 ` Arve Hjønnevåg
2009-02-20 10:49 ` Rafael J. Wysocki
2009-02-20 11:26 ` Arve Hjønnevåg
2009-02-20 15:56 ` Rafael J. Wysocki
2009-02-20 16:07 ` Kyle Moffett
2009-02-20 20:56 ` Rafael J. Wysocki
2009-02-20 21:02 ` Rafael J. Wysocki
2009-02-20 23:03 ` Arve Hjønnevåg
2009-02-20 23:57 ` Rafael J. Wysocki
2009-02-21 1:08 ` Arve Hjønnevåg
2009-02-21 9:47 ` Rafael J. Wysocki
2009-02-21 10:32 ` Arve Hjønnevåg
2009-02-21 20:20 ` Rafael J. Wysocki
2009-02-23 23:13 ` Arve Hjønnevåg
2009-02-23 23:53 ` Rafael J. Wysocki
2009-02-24 0:02 ` Arve Hjønnevåg
2009-02-27 10:12 ` Pavel Machek
2009-02-27 10:09 ` Pavel Machek
2009-02-27 14:22 ` Rafael J. Wysocki
2009-02-27 14:29 ` Matthew Garrett
2009-02-27 20:54 ` Rafael J. Wysocki
2009-02-27 22:09 ` Arve Hjønnevåg
2009-02-27 22:55 ` Rafael J. Wysocki
2009-02-27 20:40 ` Pavel Machek
2009-02-27 20:55 ` Rafael J. Wysocki
2009-02-27 22:56 ` Arve Hjønnevåg
2009-02-27 23:44 ` Pavel Machek
2009-02-28 3:04 ` Arve Hjønnevåg
2009-02-28 10:18 ` Rafael J. Wysocki
2009-02-28 21:57 ` Arve Hjønnevåg
2009-02-28 22:53 ` Rafael J. Wysocki
2009-02-28 23:38 ` Arve Hjønnevåg
2009-03-01 23:17 ` Rafael J. Wysocki
2009-03-02 23:48 ` Arve Hjønnevåg
2009-03-03 22:39 ` Rafael J. Wysocki
2009-03-03 23:38 ` Arve Hjønnevåg
2009-03-04 0:49 ` Pavel Machek
2009-03-01 0:06 ` Arve Hjønnevåg
2009-03-01 6:28 ` Benjamin Herrenschmidt
2009-03-01 9:11 ` Rafael J. Wysocki
2009-03-01 9:20 ` Rafael J. Wysocki
2009-03-03 1:22 ` Arve Hjønnevåg
2009-03-03 13:51 ` Pavel Machek
2009-03-04 0:06 ` Arve Hjønnevåg
2009-03-04 0:47 ` Pavel Machek
2009-03-01 23:08 ` Pavel Machek
2009-03-03 13:57 ` Pavel Machek
2009-03-03 23:51 ` Arve Hjønnevåg
2009-02-20 23:12 ` Oliver Neukum
2009-02-20 23:40 ` Rafael J. Wysocki
2009-02-20 23:45 ` Matthew Garrett
2009-02-21 9:52 ` Rafael J. Wysocki
2009-02-21 16:52 ` Alan Stern
2009-02-21 21:14 ` Rafael J. Wysocki
2009-02-27 10:16 ` Pavel Machek
2009-02-27 14:46 ` Alan Stern
2009-02-27 20:58 ` Rafael J. Wysocki
2009-02-22 14:03 ` Pavel Machek
2009-02-23 14:04 ` Oliver Neukum
2009-02-27 10:18 ` Pavel Machek
2009-02-27 15:22 ` Oliver Neukum
2009-03-05 16:54 ` Pavel Machek
2009-02-27 17:09 ` Chris Friesen
2009-02-27 20:46 ` Pavel Machek
2009-03-05 13:48 ` Pavel Machek
2009-03-01 22:56 ` Pavel Machek
2009-03-02 8:24 ` Oliver Neukum
2009-03-02 14:34 ` Pavel Machek
2009-03-02 15:13 ` Arjan van de Ven
2009-02-16 23:20 ` Oliver Neukum
2009-02-20 18:05 ` Pavel Machek
2009-02-16 6:23 ` Roland Dreier
2009-02-16 15:38 ` Arjan van de Ven
2009-02-16 22:47 ` Pavel Machek
2009-02-16 7:02 ` Oliver Neukum
2009-02-16 21:48 ` Rafael J. Wysocki
2009-02-16 21:52 ` Peter Zijlstra
2009-02-16 21:53 ` Arjan van de Ven
2009-02-16 22:12 ` Rafael J. Wysocki
2009-02-16 22:40 ` Alan Stern
2009-02-16 22:56 ` Arjan van de Ven
2009-02-16 23:28 ` Rafael J. Wysocki
2009-02-17 2:43 ` Alan Stern
2009-02-17 2:57 ` Arjan van de Ven
2009-02-17 3:26 ` Alan Stern
2009-02-16 23:02 ` Rafael J. Wysocki
2009-02-17 2:56 ` Alan Stern
2009-02-17 23:26 ` Rafael J. Wysocki
2009-02-18 8:53 ` Oliver Neukum
2009-02-18 14:51 ` Arjan van de Ven
2009-02-18 15:05 ` Oliver Neukum
2009-02-18 15:10 ` Alan Stern
2009-02-18 15:55 ` Oliver Neukum
2009-02-18 16:39 ` Alan Stern
2009-02-18 17:10 ` Oliver Neukum
2009-02-18 15:09 ` Alan Stern
2009-02-16 22:51 ` Pavel Machek
2009-02-16 22:55 ` Arjan van de Ven
2009-02-16 23:00 ` Rafael J. Wysocki
2009-02-16 23:18 ` Pavel Machek
2009-02-16 23:29 ` Oliver Neukum
2009-02-16 22:58 ` Pavel Machek
2009-02-16 23:13 ` Matthew Garrett
2009-02-16 23:22 ` Pavel Machek
2009-02-16 23:26 ` Matthew Garrett
2009-02-17 14:14 ` Brian Swetland
2009-02-17 14:19 ` Matthew Garrett
2009-02-17 21:57 ` mark gross
2009-02-17 22:04 ` Matthew Garrett
2009-02-17 22:19 ` Jesse Barnes
2009-02-17 23:28 ` Woodruff, Richard
2009-02-18 0:34 ` mark gross
2009-02-18 17:30 ` Chris Ball
2009-02-16 23:26 ` Rafael J. Wysocki
2009-02-22 13:46 ` Pavel Machek
2009-02-18 0:27 ` mark gross
2009-02-18 21:11 ` Rafael J. Wysocki
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