Patch "Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU" has been added to the 4.19-stable tree

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This is a note to let you know that I've just added the patch titled

    Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU

to the 4.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     input-i8042-fix-strange-behavior-of-touchpad-on-clev.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit fd000a4083a42d343cf3f1c054593c71fbbed838
Author: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
Date:   Tue Dec 5 17:36:01 2023 +0100

    Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU
    
    [ Upstream commit a60e6c3918d20848906ffcdfcf72ca6a8cfbcf2e ]
    
    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@xxxxxxxxxxxxxxxxxxx>
    Cc: stable@xxxxxxxxxxxxxxx
    Link: https://lore.kernel.org/r/20231205163602.16106-1-wse@xxxxxxxxxxxxxxxxxxx
    Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 06d99931519bd..ce9209f336957 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -1183,6 +1183,12 @@ 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"),




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