linux-kernel - Re: input/i8042: Malfunctioning brightness keys on HP Elite Dragonfly G2

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Date:   Tue, 05 Jul 2022 18:25:03 +0100
From:   Alex Dewar <alex.dewar@....co.uk>
To:     dmitry.torokhov@...il.com, tiwai@...e.de, hdegoede@...hat.com,
        markgross@...nel.org
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org
Subject: Re: input/i8042: Malfunctioning brightness keys on HP Elite
 Dragonfly G2

Friendly ping? 🙂

I'm also CC'ing the x86 platform people into this, as I'm not sure
whether this problem is something more within their remit.

Best,
Alex

On Wed, 2022-06-29 at 10:43 +0100, Alex Dewar wrote:
> Hi,
> 
> I'm running Linux 5.18.7 on an HP Elite Dragonfly G2 laptop, which
> seems
> to use the i8042 driver. Mostly things seem to work (including
> hotkeys)
> except that the increase/decrease brightness keys instead send the
> "mic
> mute" keycode. (The *actual* mic mute key works fine.)
> 
> Any ideas? Do we need to add a quirk?
> 
> Best,
> Alex