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

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Date:   Thu, 14 Jul 2022 10:22:59 +0100
From:   Alex Dewar <alex.dewar@....co.uk>
To:     "Lopez, Jorge A (Security)" <jorge.lopez2@...com>,
        Hans de Goede <hdegoede@...hat.com>,
        "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "tiwai@...e.de" <tiwai@...e.de>,
        "markgross@...nel.org" <markgross@...nel.org>
Cc:     "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>
Subject: Re: input/i8042: Malfunctioning brightness keys on HP Elite
 Dragonfly G2

On Wed, 2022-07-13 at 16:34 +0000, Lopez, Jorge A (Security) wrote:
> HI Alex,
> 
> HP is working in publishing HP BIOS to LVFS and the team is making
> progress.  
> There are several BIOS published and it appears BIOS for your Elite
> Dragonfly is one of them.   
> See https://fwupd.org/lvfs/firmware/10948.
> 
> The BIOS is applicable to notebooks with T90 type BIOS.  If you
> decide to try flashing the firmware, please do it at your own risk.
> 
> BIOS-System Firmware (1)
> HP BIOS and System Firmware (T90)
> Version: 01.09.10 Rev.A 
> 
> 

Great! Thanks 🙂
> 
> Regards,
> 
> Jorge Lopez
> Hewlett-Packard 
> 
> “Once you stop learning, you start dying”
> Albert Einstein
> 
> -----Original Message-----
> From: Alex Dewar <alex.dewar@....co.uk> 
> Sent: Wednesday, July 13, 2022 3:17 AM
> To: Lopez, Jorge A (Security) <jorge.lopez2@...com>; Hans de Goede
> <hdegoede@...hat.com>; dmitry.torokhov@...il.com; tiwai@...e.de;
> 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
> 
> On Mon, 2022-07-11 at 14:59 +0000, Lopez, Jorge A (Security) wrote:
> > Hi Alex,
> > 
> > Thank you for the BIOS information.   The problem you are
> > experiencing 
> > was fixed in BIOS version 01.07.02 Rev.A
> > 
> >         - Fixes an issue where Fn+F3/F4 do not change the
> > brightness 
> > of the display panel when the Privacy Panel is enabled in the F10 
> > settings.
> > 
> > The latest BIOS version is 01.09.01 Rev.A so the problem will be 
> > resolved after BIOS upgrade.    BIOS is not available via LVFS, you
> > will need to install it via Windows executable.
> > https://support.hp.com/us-en/drivers/laptops
> > 
> > Let me know if the problem is resolved.
> 
> That worked a treat. Thanks!
> 
> And if you have an internal ticked called "Support Elitebooks on
> LVFS"
> or similar, feel free to add my +1 to it 😉
> 
> Best,
> Alex
>