Patch "Input: i8042 - add Fujitsu Lifebook E5411 to i8042 quirk table" 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 - add Fujitsu Lifebook E5411 to i8042 quirk table

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-add-fujitsu-lifebook-e5411-to-i8042-quir.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 fcbd44ae24118970230229139b6fa12fea87def4
Author: Szilard Fabian <szfabian@xxxxxxxxxxxxx>
Date:   Wed Oct 4 05:47:01 2023 -0700

    Input: i8042 - add Fujitsu Lifebook E5411 to i8042 quirk table
    
    [ Upstream commit 80f39e1c27ba9e5a1ea7e68e21c569c9d8e46062 ]
    
    In the initial boot stage the integrated keyboard of Fujitsu Lifebook E5411
    refuses to work and it's not possible to type for example a dm-crypt
    passphrase without the help of an external keyboard.
    
    i8042.nomux kernel parameter resolves this issue but using that a PS/2
    mouse is detected. This input device is unused even when the i2c-hid-acpi
    kernel module is blacklisted making the integrated ELAN touchpad
    (04F3:308A) not working at all.
    
    Since the integrated touchpad is managed by the i2c_designware input
    driver in the Linux kernel and you can't find a PS/2 mouse port on the
    computer I think it's safe to not use the PS/2 mouse port at all.
    
    Signed-off-by: Szilard Fabian <szfabian@xxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20231004011749.101789-1-szfabian@xxxxxxxxxxxxx
    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 0cf9a37873261..2d4df82d65afe 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -613,6 +613,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 		},
 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
+	{
+		/* Fujitsu Lifebook E5411 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
+	},
 	{
 		/* Gigabyte M912 */
 		.matches = {



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