linux-kernel - Re: [PATCH 2/2] Input: Add support for Wacom W9000-series penabled touchscreens

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <d1dcc3b5-58cd-4e88-a06a-986143a41761@gmx.de>
Date: Fri, 2 Jan 2026 19:28:20 +0100
From: Hendrik Noack <hendrik-noack@....de>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Input: Add support for Wacom W9000-series penabled
 touchscreens

Hi Dmitry,

09.12.2025 06:41:44 Dmitry Torokhov <dmitry.torokhov@...il.com>:

> On Mon, Dec 08, 2025 at 09:35:09PM -0800, Dmitry Torokhov wrote:
>> Hi Hendrik,
>>
>> On Fri, Dec 05, 2025 at 05:49:52PM +0100, Hendrik Noack wrote:
>>> +
>>> +   struct gpio_desc *flash_mode_gpio;
>
> Forgot to ask - what does this do? We do not seem to be using it except
> for requesting.
>
> Thanks.
>
> --
> Dmitry

The flash_mode_gpio can be used to start the chip into a flash mode where
new firmware can be flashed. The chip starts in this mode if the pin is high
during the power up. It's in the driver to make sure that this pin is low and the
chip is not accidentally started in flash mode.

Thanks

Hendrik