Re: [PATCH 2/7] HID: wacom: remove unused hid_data::pressure

From: Ping Cheng
Date: Thu Feb 01 2024 - 21:33:38 EST


On Thu, Feb 1, 2024 at 3:53 AM Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx> wrote:
>
> The pressure member in struct hid_data is unused. It was
> added in commit 5ae6e89f7409 (HID: wacom: implement the finger part of
> the HID generic handling), but never used.
>
> As this is not a struct to communicate with the HW, remove that member.
>
> Found by https://github.com/jirislaby/clang-struct.
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>

Wacom current touch devices do not support pressure. We could add pressure
back when it is necessary in the future. Thank you Jiri.

Acked-by: Ping Cheng <ping.cheng@xxxxxxxxx>

Cheers,
Ping

> Cc: Ping Cheng <ping.cheng@xxxxxxxxx>
> Cc: Jason Gerecke <jason.gerecke@xxxxxxxxx>
> Cc: Jiri Kosina <jikos@xxxxxxxxxx>
> Cc: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> ---
> drivers/hid/wacom_wac.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h
> index e63b1e806e34..6ec499841f70 100644
> --- a/drivers/hid/wacom_wac.h
> +++ b/drivers/hid/wacom_wac.h
> @@ -309,7 +309,6 @@ struct hid_data {
> bool confidence;
> int x;
> int y;
> - int pressure;
> int width;
> int height;
> int id;
> --
> 2.43.0
>
>