On lun., févr. 20, 2023 at 19:30, Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx> wrote:
> 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.
>
> Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Mattijs Korpershoek <mkorpershoek@xxxxxxxxxxxx>
> ---
> 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 efc61736099b9..3a6640a11dd99 100644
> --- a/drivers/input/serio/i8042-acpipnpio.h
> +++ b/drivers/input/serio/i8042-acpipnpio.h
> @@ -1156,6 +1156,12 @@ 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"),
> --
> 2.34.1
