From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: pali.rohar@gmail.com, sre@kernel.org,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, khilman@kernel.org,
aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
patrikbachan@gmail.com, serge@hallyn.com,
Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: Re: Nokia N900 retention mode in v4.6, camera buttons fun
Date: Tue, 12 Apr 2016 14:30:13 +0200 [thread overview]
Message-ID: <20160412123013.GA12296@amd> (raw)
In-Reply-To: <20160412121658.GA32486@amd>
Hi!
> > > Ok, it works now. I was doing tests in daylight so it was poorly
> > > visible. The right part of keyboard stays lit (but that's expected
> > > AFAICT), but the left part blinks.
> >
> > During idle, both should go off and are doing so for me. Both LEDs off
> > indicates off mode, left LED off is for retention mode. So you still
> > have something blocking off mode, maybe check:
> >
> > echo 1 > /sys/kernel/debug/pm_debug/enable_off_mode
>
> What is the power difference between retention and off? I'm now down
> to cca 25mA, which should be around 50 hours standby time. Not ideal,
> but should be usable.
>
> In the meantime, I found what is causing the rention mode to break for
> me: CONFIG_HSI (aka wireless modem support). With HSI off, it seems to work.
>
> I still get problems with the camera button, in config similar to
> defconfig. For some reason, I'm even getting (autorepeating) ^@ on
> console. As long as I hold camera button down, I even get it into off
> mode for brief period.
Ok, if I turn off CONFIG_KEYBOARD_GPIO, I get it into off
mode... once per screen blank, for about a second. (Does CONFIG_KEYBOARD_GPIO also cause
problems for you?)
Any idea why it enters off mode only once after each screenblank?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: Nokia N900 retention mode in v4.6, camera buttons fun
Date: Tue, 12 Apr 2016 14:30:13 +0200 [thread overview]
Message-ID: <20160412123013.GA12296@amd> (raw)
In-Reply-To: <20160412121658.GA32486@amd>
Hi!
> > > Ok, it works now. I was doing tests in daylight so it was poorly
> > > visible. The right part of keyboard stays lit (but that's expected
> > > AFAICT), but the left part blinks.
> >
> > During idle, both should go off and are doing so for me. Both LEDs off
> > indicates off mode, left LED off is for retention mode. So you still
> > have something blocking off mode, maybe check:
> >
> > echo 1 > /sys/kernel/debug/pm_debug/enable_off_mode
>
> What is the power difference between retention and off? I'm now down
> to cca 25mA, which should be around 50 hours standby time. Not ideal,
> but should be usable.
>
> In the meantime, I found what is causing the rention mode to break for
> me: CONFIG_HSI (aka wireless modem support). With HSI off, it seems to work.
>
> I still get problems with the camera button, in config similar to
> defconfig. For some reason, I'm even getting (autorepeating) ^@ on
> console. As long as I hold camera button down, I even get it into off
> mode for brief period.
Ok, if I turn off CONFIG_KEYBOARD_GPIO, I get it into off
mode... once per screen blank, for about a second. (Does CONFIG_KEYBOARD_GPIO also cause
problems for you?)
Any idea why it enters off mode only once after each screenblank?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2016-04-12 12:30 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-23 12:10 N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek
2016-01-23 12:10 ` Pavel Machek
2016-01-25 16:33 ` Tony Lindgren
2016-01-25 16:33 ` Tony Lindgren
2016-01-25 22:23 ` Pavel Machek
2016-01-25 22:23 ` Pavel Machek
2016-01-25 22:50 ` Tony Lindgren
2016-01-25 22:50 ` Tony Lindgren
2016-01-26 14:00 ` Pavel Machek
2016-01-26 14:00 ` Pavel Machek
2016-01-26 17:25 ` Tony Lindgren
2016-01-26 17:25 ` Tony Lindgren
2016-01-26 22:51 ` Tony Lindgren
2016-01-26 22:51 ` Tony Lindgren
2016-01-30 20:02 ` Pavel Machek
2016-01-30 20:02 ` Pavel Machek
2016-01-30 20:14 ` Pavel Machek
2016-01-30 20:14 ` Pavel Machek
2016-01-30 22:15 ` Pavel Machek
2016-01-30 22:15 ` Pavel Machek
2016-02-01 18:13 ` Tony Lindgren
2016-02-01 18:13 ` Tony Lindgren
2016-02-01 21:17 ` Pavel Machek
2016-02-01 21:17 ` Pavel Machek
2016-02-01 22:11 ` Tony Lindgren
2016-02-01 22:11 ` Tony Lindgren
2016-02-04 5:35 ` Tony Lindgren
2016-02-04 5:35 ` Tony Lindgren
2016-02-07 21:37 ` Pavel Machek
2016-02-07 21:37 ` Pavel Machek
2016-02-07 21:37 ` Pavel Machek
2016-02-08 8:51 ` Pali Rohár
2016-02-08 8:51 ` Pali Rohár
2016-02-07 21:23 ` Pavel Machek
2016-02-07 21:23 ` Pavel Machek
2016-02-09 17:24 ` Tony Lindgren
2016-02-09 17:24 ` Tony Lindgren
2016-02-09 17:38 ` Tony Lindgren
2016-02-09 17:38 ` Tony Lindgren
2016-03-20 8:38 ` Pavel Machek
2016-03-20 8:38 ` Pavel Machek
2016-02-11 1:08 ` Tony Lindgren
2016-02-11 1:08 ` Tony Lindgren
2016-02-11 1:08 ` Tony Lindgren
2016-03-23 14:37 ` Pavel Machek
2016-03-23 14:37 ` Pavel Machek
2016-03-20 8:33 ` Pavel Machek
2016-03-20 8:33 ` Pavel Machek
2016-03-23 12:38 ` Pavel Machek
2016-03-23 12:38 ` Pavel Machek
2016-03-30 19:12 ` Tony Lindgren
2016-03-30 19:12 ` Tony Lindgren
2016-04-04 11:09 ` Pali Rohár
2016-04-04 11:09 ` Pali Rohár
2016-04-04 22:31 ` Tony Lindgren
2016-04-04 22:31 ` Tony Lindgren
2016-04-04 21:30 ` Pavel Machek
2016-04-04 21:30 ` Pavel Machek
2016-04-04 22:07 ` Tony Lindgren
2016-04-04 22:07 ` Tony Lindgren
2016-04-05 10:09 ` Pavel Machek
2016-04-05 10:09 ` Pavel Machek
2016-04-05 13:17 ` Pavel Machek
2016-04-05 13:17 ` Pavel Machek
2016-04-05 14:22 ` 4.4: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode) Pavel Machek
2016-04-05 14:22 ` Pavel Machek
2016-04-05 15:29 ` Tony Lindgren
2016-04-05 15:29 ` Tony Lindgren
2016-04-05 20:51 ` Pavel Machek
2016-04-05 20:51 ` Pavel Machek
2016-04-07 17:40 ` Tony Lindgren
2016-04-07 17:40 ` Tony Lindgren
2016-04-07 19:48 ` 4.4, 4.6: " Pavel Machek
2016-04-07 19:48 ` Pavel Machek
2016-04-07 21:32 ` Tony Lindgren
2016-04-07 21:32 ` Tony Lindgren
2016-04-07 23:01 ` Pavel Machek
2016-04-07 23:01 ` Pavel Machek
2016-04-07 23:41 ` Tony Lindgren
2016-04-07 23:41 ` Tony Lindgren
2016-04-08 9:19 ` Pavel Machek
2016-04-08 9:19 ` Pavel Machek
2016-04-11 8:27 ` 4.6-rc2: regression with omap video and lockdep (was Re: 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode)) Pavel Machek
2016-04-11 8:27 ` Pavel Machek
2016-04-11 9:30 ` 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode) Pavel Machek
2016-04-11 9:30 ` Pavel Machek
2016-04-11 9:41 ` Pavel Machek
2016-04-11 9:41 ` Pavel Machek
2016-04-11 21:10 ` Tony Lindgren
2016-04-11 21:10 ` Tony Lindgren
2016-04-12 12:16 ` Nokia N900 retention mode in v4.6, camera buttons fun Pavel Machek
2016-04-12 12:30 ` Pavel Machek [this message]
2016-04-12 12:30 ` Pavel Machek
2016-04-12 16:30 ` Tony Lindgren
2016-04-12 16:30 ` Tony Lindgren
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 15:15 ` Tony Lindgren
2016-04-13 15:15 ` Tony Lindgren
2016-04-17 17:55 ` Pavel Machek
2016-04-17 17:55 ` Pavel Machek
2016-04-18 23:47 ` Tony Lindgren
2016-04-18 23:47 ` Tony Lindgren
2016-04-21 13:04 ` Pali Rohár
2016-04-21 13:04 ` Pali Rohár
2016-04-21 21:28 ` Pavel Machek
2016-04-21 21:28 ` Pavel Machek
2016-04-22 7:05 ` Pali Rohár
2016-04-22 7:05 ` Pali Rohár
2016-04-29 20:06 ` Sebastian Reichel
2016-04-29 20:06 ` Sebastian Reichel
2016-05-01 8:52 ` Pavel Machek
2016-05-01 8:52 ` Pavel Machek
2016-05-01 15:48 ` Sebastian Reichel
2016-05-01 15:48 ` Sebastian Reichel
2016-05-02 20:12 ` Sebastian Reichel
2016-05-02 20:12 ` Sebastian Reichel
2016-05-28 11:09 ` Pavel Machek
2016-05-28 11:09 ` Pavel Machek
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