linux-kernel - Re: [PATCH] hid/hid-multitouch: Keep latency normal on deactivate for reactivation gesture

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

Message-ID: <a37c9ee0-dece-4a91-8dd1-beab7a6aa816@tuxedocomputers.com>
Date: Thu, 6 Nov 2025 16:48:42 +0100
From: Werner Sembach <wse@...edocomputers.com>
To: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hid/hid-multitouch: Keep latency normal on deactivate for
 reactivation gesture


Am 06.11.25 um 16:45 schrieb Werner Sembach:
> Uniwill devices have a built in gesture in the touchpad to de- and
> reactivate it by double taping the upper left corner. This gesture stops
> working when latency is set to high, so this patch keeps the latency on
> normal.
>
> Signed-off-by: Werner Sembach <wse@...edocomputers.com>
Forgot again to add cc stable, please add it if the patch gets accepted.
> ---
> Or should I better implement this as a quirk?
>
>   drivers/hid/hid-multitouch.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 179dc316b4b51..df64cb6c41699 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -1998,7 +1998,7 @@ static void mt_on_hid_hw_open(struct hid_device *hdev)
>   
>   static void mt_on_hid_hw_close(struct hid_device *hdev)
>   {
> -	mt_set_modes(hdev, HID_LATENCY_HIGH, TOUCHPAD_REPORT_NONE);
> +	mt_set_modes(hdev, HID_LATENCY_NORMAL, TOUCHPAD_REPORT_NONE);
>   }
>   
>   /*