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Message-ID: <CAFv23QnYwe5Foms1Ck8-hHKnftxNLN0K3L3waVrprbd2MUgSKw@mail.gmail.com>
Date: Mon, 7 Aug 2017 08:59:30 +0800
From: AceLan Kao <acelan.kao@...onical.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Darren Hart <dvhart@...radead.org>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Mario Limonciello <mario.limonciello@...l.com>,
Linux PM <linux-pm@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
Platform Driver <platform-driver-x86@...r.kernel.org>,
Len Brown <lenb@...nel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH] intel-vbtn: match power button on press rather than release
Looks like I'm one hour late to ack the patch.
Thanks any way for the quick response.
2017-08-07 8:38 GMT+08:00 Rafael J. Wysocki <rafael@...nel.org>:
> On Mon, Aug 7, 2017 at 1:24 AM, Darren Hart <dvhart@...radead.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@...l.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!
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