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

From: Hendrik Noack
Date: Fri Jan 02 2026 - 13:29:16 EST


Hi Dmitry,

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

> 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