Re: [PATCH] intel-vbtn: match power button on press rather than release

From	"Rafael J. Wysocki" <rafael@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] intel-vbtn: match power button on press rather than release
Date	2017-08-07 02:40 +0200
Message-ID	<ubEfo-111-5@gated-at.bofh.it> (permalink)
References	<uaOgN-1p8-7@gated-at.bofh.it> <uaUmf-5dC-25@gated-at.bofh.it> <ubekW-1o0-29@gated-at.bofh.it> <ubfK1-2mC-5@gated-at.bofh.it> <ubD9D-nK-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, Aug 7, 2017 at 1:24 AM, Darren Hart <dvhart@infradead.org> wrote:
> On Sun, Aug 06, 2017 at 12:20:22AM +0200, Rafael Wysocki wrote:
>> On Saturday, August 5, 2017 10:57:53 PM CEST Darren Hart wrote:
>> > On Sat, Aug 05, 2017 at 01:30:20AM +0200, Rafael Wysocki wrote:
>> > > On Friday, August 4, 2017 7:29:53 PM CEST Darren Hart wrote:
>> > > > On Fri, Aug 04, 2017 at 12:00:06PM -0500, Mario Limonciello wrote:
>> > > > > This fixes a problem where the system gets stuck in a loop
>> > > > > unable to wakeup via power button in s2idle.
>> > > > >
>> > > > > The problem happens because:
>> > > > >  - press power button:
>> > > > >    - system emits 0xc0 (power press), event ignored
>> > > > >    - system emits 0xc1 (power release), event processed,
>> > > > >      emited as KEY_POWER
>> > > > >    - set wakeup_mode to true
>> > > > >    - system goes to s2idle
>> > > > >  - press power button
>> > > > >    - system emits 0xc0 (power press), wakeup_mode is true,
>> > > > >      system wakes
>> > > > >    - system emits 0xc1 (power release), event processed,
>> > > > >      emited as KEY_POWER
>> > > > >    - system goes to s2idle again
>> > > > >
>> > > > > To avoid this situation, process the presses (which matches what
>> > > > > intel-hid does too).
>> > > > >
>> > > > > Verified on an Dell XPS 9365
>> > > > >
>> > > > > Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
>> > > >
>> > > > This looks good to me - responding to the release is non-intuitive IMHO
>> > > > anyway.  I'd like to see agreement from AceLan, but this should go into
>> > > > the 4.13 rc cycle (at rc3 currently).
>> > >
>> > > Yes, it should, and I'm not sure if the original author's opinion matters here.
>> > >
>> > > The patch makes sense to everyone involved and fixes an annoying issue, so
>> > > I don't see any real arguments against applying it.
>> > >
>> > > Please feel free to add my ACK to it if that helps.
>> >
>> > I always try to give those in MAINTAINERS a chance to respond, but I will queue
>> > this up to fixes now.
>>
>> Thanks!
>
> Rafael,
>
> Merged to mainline (in case you were waiting on this for the dependent
> patch you mentioned).

Awesome, thanks!

Thread

[PATCH] intel-vbtn: match power button on press rather than release Mario Limonciello <mario.limonciello@dell.com> - 2017-08-04 19:10 +0200
  Re: [PATCH] intel-vbtn: match power button on press rather than  release Darren Hart <dvhart@infradead.org> - 2017-08-04 19:40 +0200
    Re: [PATCH] intel-vbtn: match power button on press rather than release "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-05 01:40 +0200
      Re: [PATCH] intel-vbtn: match power button on press rather than  release Darren Hart <dvhart@infradead.org> - 2017-08-05 23:00 +0200
        Re: [PATCH] intel-vbtn: match power button on press rather than release "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-06 00:30 +0200
          Re: [PATCH] intel-vbtn: match power button on press rather than  release Darren Hart <dvhart@infradead.org> - 2017-08-07 01:30 +0200
            Re: [PATCH] intel-vbtn: match power button on press rather than release "Rafael J. Wysocki" <rafael@kernel.org> - 2017-08-07 02:40 +0200
              Re: [PATCH] intel-vbtn: match power button on press rather than release AceLan Kao <acelan.kao@canonical.com> - 2017-08-07 03:00 +0200
                Re: [PATCH] intel-vbtn: match power button on press rather than  release Darren Hart <dvhart@infradead.org> - 2017-08-07 06:00 +0200

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