linux-kernel - Re: [PATCH] Input: i8042 - disable KBD port on Late-2016 Razer Blade Stealth

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Message-ID: <20190407221034.GA162359@dtor-ws>
Date:   Sun, 7 Apr 2019 15:10:34 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Lyude Paul <lyude@...hat.com>
Cc:     stable@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: i8042 - disable KBD port on Late-2016 Razer Blade
 Stealth

Hi Lyude,

On Sun, Apr 07, 2019 at 05:37:34PM -0400, Lyude Paul wrote:
> The late 2016 model of the Razer Blade Stealth has a built-in USB
> keyboard, but for some reason the BIOS exposes an i8042 controller with
> a connected KBD port. While this fake AT Keyboard device doesn't appear
> to report any events, attempting to change the state of the caps lock
> LED on it from on to off causes the entire system to hang.
> 
> So, introduce a quirk table for disabling keyboard probing by default,
> i8042_dmi_nokbd_table, and add this specific model of Razer laptop to
> that table.

What does dmesg show about i8042 for this device? Especially line "PNP:
PS/2 Controller  ..."?

Thanks.

-- 
Dmitry