From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC][PATCH 00/11] Android PM extensions Date: Mon, 2 Feb 2009 12:56:34 +0100 Message-ID: <20090202115633.GB4609@elf.ucw.cz> References: <20090131074743.GA13633@bulgaria.corp.google.com> <200902010020.04696.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <200902010020.04696.rjw@sisk.pl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Rafael J. Wysocki" Cc: Brian Swetland , linux-pm@lists.linux-foundation.org, Nigel Cunningham List-Id: linux-pm@vger.kernel.org On Sun 2009-02-01 00:20:04, Rafael J. Wysocki wrote: > On Saturday 31 January 2009, Arve Hj?nnev?g wrote: > > On Sat, Jan 31, 2009 at 7:41 AM, Alan Stern wrote: > > > On Fri, 30 Jan 2009, Brian Swetland wrote: > > >> Imagine the computer in question is a cellphone which is going to need > > >> to wake up when a call comes in to do traditional cellphone things, like > > >> ring, bring up the incall UI (so the user can answer/cancel), etc. > > > > > > Yes. So what? Nothing I said prevents the computer from waking up > > > when a call comes in. What I said was that when the user tells the > > > computer to suspend (e.g., by writing "mem" to /sys/power/state), the > > > computer should suspend even if some wakelocks are still locked. > > > > But this could prevent the phone from ringing. What if the user-space > > code that is responsible for playing the ringtone has been notified > > that a call is coming in and starts reading the audio file with the > > ringtone. At the same, the user, unaware that someone is calling, > > presses the power button. If we ignore the wakelock in this situation, > > the phone will not ring. Yes, you don't want to write "mem" to /sys/power/state on android. You want to write something like "auto-mem" there. > What if the user decides to power off the phone and a call comes in at the > same time? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html