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From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: "Octavian Purdila" <octavian.purdila@intel.com>,
	"Oliver Neukum" <oneukum@suse.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Ulf Hansson" <ulf.hansson@linaro.org>,
	"Tirdea, Irina" <irina.tirdea@intel.com>,
	"Alan Stern" <stern@rowland.harvard.edu>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Brown, Len" <len.brown@intel.com>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Colin Cross" <ccross@android.com>,
	"Arve Hjønnevåg" <arve@android.com>
Subject: Re: [RFC PATCH] PM / Runtime: runtime: Add sysfs option for forcing runtime suspend
Date: Mon, 21 Sep 2015 14:29:19 +0200	[thread overview]
Message-ID: <20150921122919.GA16589@amd> (raw)
In-Reply-To: <1870624.bK0YQxbsoD@vostro.rjw.lan>

> > >> In fact, then, what you need seems to be the feature discussed by Alan
> > >> and me some time ago allowing remote wakeup do be disabled for runtime
> > >> PM from user space as that in combination with autosuspend should
> > >> address your use case.
> > >
> > > I'd doubt that. Suppose you put the phone into your pocket while
> > > the device isn't suspended. The continuous stream of spurious events
> > > will keep it awake.
> 
> Why would they be regarded as spurious then?  They are just regular touch panel
> events in that case, aren't they?

>From userspace... they are spurious. Userspace does not known that
your device is commonly placed into the pocket, and the events it sees
are not from user.

I have mainline X/mate running on n900 cellphone. And this means
battery life is in "2 hours" range.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2015-09-21 12:29 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-07 20:42 [RFC PATCH] PM / Runtime: runtime: Add sysfs option for forcing runtime suspend Irina Tirdea
2015-09-07 21:20 ` Rafael J. Wysocki
2015-09-08  1:10   ` Tirdea, Irina
2015-09-08  7:35     ` Oliver Neukum
2015-09-08 20:56       ` Rafael J. Wysocki
2015-09-08 22:25         ` Ulf Hansson
2015-09-08 23:50           ` Rafael J. Wysocki
2015-09-09 11:13             ` Octavian Purdila
2015-09-09 12:22               ` Rafael J. Wysocki
2015-09-09 13:55                 ` Oliver Neukum
2015-09-09 15:02                   ` Octavian Purdila
2015-09-09 20:25                     ` Rafael J. Wysocki
2015-09-10  9:38                       ` Oliver Neukum
2015-09-21 12:29                       ` Pavel Machek [this message]
2015-09-09 15:20                 ` Alan Stern
2015-09-09 20:35                   ` Rafael J. Wysocki
2015-09-09 20:16                     ` Colin Cross
2015-09-21 12:30                   ` Pavel Machek
2015-09-21 14:38                     ` Alan Stern
2015-09-21 16:16                       ` Dmitry Torokhov
2015-09-21 16:34                         ` Alan Stern
2015-09-21 16:59                           ` Dmitry Torokhov
2015-09-21 17:32                             ` Alan Stern
2015-09-21 18:00                               ` Dmitry Torokhov
2015-09-21 20:02                                 ` Alan Stern
2015-09-21 20:56                                   ` Dmitry Torokhov
2015-09-22 12:05                                   ` Oliver Neukum
2015-09-22 14:15                                     ` Alan Stern
2015-09-22 14:31                                       ` Oliver Neukum
2015-09-22 15:22                                         ` Alan Stern
2015-09-23  3:03                                           ` Oliver Neukum
2015-09-23  7:27                                             ` Octavian Purdila
2015-09-23 14:55                                             ` Alan Stern
2015-09-25  0:43                                               ` Rafael J. Wysocki
2015-09-25 14:29                                                 ` Alan Stern
2015-09-25 20:15                                                   ` Rafael J. Wysocki
2015-09-25 21:13                                                     ` Alan Stern
2015-09-25 21:52                                                       ` Rafael J. Wysocki
2015-09-25 23:04                                                         ` Rafael J. Wysocki
2015-09-26 15:20                                                           ` Alan Stern
2015-09-27 13:41                                                             ` Rafael J. Wysocki
2015-09-27 14:27                                                               ` Alan Stern
2015-09-28 13:41                                                                 ` Rafael J. Wysocki
2015-09-28 14:29                                                                   ` Alan Stern
2015-09-28 20:03                                                                     ` Rafael J. Wysocki
2015-09-28 20:23                                                                       ` Alan Stern
2015-10-04 15:16                                                                         ` Pavel Machek
2015-09-27 17:02                                                               ` Pavel Machek
2015-09-28 13:47                                                                 ` Rafael J. Wysocki
2015-09-21 20:20                       ` Pavel Machek
2015-09-08 14:44     ` Alan Stern
2015-09-08 15:15       ` Rafael J. Wysocki
2015-09-08 15:00         ` Alan Stern
2015-09-08 20:28           ` Rafael J. Wysocki
2015-09-09 15:22             ` Alan Stern
2015-09-09  6:26       ` Oliver Neukum
2015-09-09 14:33         ` Alan Stern

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