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Message-ID: <029a0d30-c68a-4e12-80a6-db3203ff3907@tuxedocomputers.com>
Date: Fri, 2 Feb 2024 15:26:20 +0100
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Subject: Re: [PATCH v2] Fix strange behavior of touchpad on Clevo NS70PU
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20231205163602.16106-1-wse@tuxedocomputers.com>
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From: Werner Sembach <wse@tuxedocomputers.com>
In-Reply-To: <20231205163602.16106-1-wse@tuxedocomputers.com>
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gentle bump

Am 05.12.23 um 17:36 schrieb Werner Sembach:
> When closing the laptop lid with an external screen connected, the mouse
> pointer has a constant movement to the lower right corner. Opening the
> lid again stops this movement, but after that the touchpad does no longer
> register clicks.
>
> The touchpad is connected both via i2c-hid and PS/2, the predecessor of
> this device (NS70MU) has the same layout in this regard and also strange
> behaviour caused by the psmouse and the i2c-hid driver fighting over
> touchpad control. This fix is reusing the same workaround by just
> disabling the PS/2 aux port, that is only used by the touchpad, to give the
> i2c-hid driver the lone control over the touchpad.
>
> v2: Rebased on current master
>
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> Cc: stable@vger.kernel.org
> ---
>   drivers/input/serio/i8042-acpipnpio.h | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
> index 9c39553d30fa2..b31d3285bea69 100644
> --- a/drivers/input/serio/i8042-acpipnpio.h
> +++ b/drivers/input/serio/i8042-acpipnpio.h
> @@ -1200,6 +1200,12 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
>   					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
>   					SERIO_QUIRK_NOPNP)
>   	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
> +	},
>   	{
>   		.matches = {
>   			DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),