linux-kernel - Re: [PATCH v2] dell-wmi: process Dell Instant Launch hotkey on Dell Vostro V131

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Date:	Fri, 4 Dec 2015 08:04:09 -0800
From:	Andy Lutomirski <luto@...capital.net>
To:	Michał Kępień <kernel@...pniu.pl>
Cc:	Darren Hart <dvhart@...radead.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Pali Rohár <pali.rohar@...il.com>,
	platform-driver-x86@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH v2] dell-wmi: process Dell Instant Launch hotkey on Dell
 Vostro V131

On Fri, Dec 4, 2015 at 4:55 AM, Michał Kępień <kernel@...pniu.pl> wrote:
>> > On some laptop models (e.g. Dell Vostro V131), pressing the Dell Instant
>> > Launch hotkey does not raise an i8042 interrupt - only WMI event 0xe025
>> > is generated.  As there seems to be no ACPI method or SMI call to
>> > determine without possible side effects whether a given machine is
>> > capable of simulating a keypress when this hotkey is pressed, DMI
>> > matching is used to whitelist the models for which an input event should
>> > be generated when WMI event 0xe025 is received.
>> >
>> > Signed-off-by: Michał Kępień <kernel@...pniu.pl>
>> > ---
>> > Changes from v1:
>> >
>> >   - Use DMI matching instead of a module parameter
>> >   - Change flag name to improve readability
>> >
>> > Darren, I am aware this patch conflicts with Andy's WMI rework series
>> > posted yesterday, so please just let me know if you want me to rebase.
>>
>> Thanks for the heads' up. Andy's series is longer and likely going to need more
>> review from more people, so I don't necessarily want to hold this one up on it -
>> unless it makes sense to include it in that series so they can evolve together.
>> I'll leave that to you and Andy to decide.
>
> As merging my patch with Andy's work is just a matter of moving code
> around, not actually changing it, personally I don't feel this patch
> should be somehow linked to the WMI rework.  Andy, please let me know if
> you disagree, I don't really have any strong feelings about this.
>'

I think it's just a matter of which lands first.  It shouldn't be a big deal.

--Andy
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