linux-kernel - [PATCH] Input: i8042 - Add quirk for Fujitsu Lifebook A574/H

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Date:   Fri,  3 Mar 2023 09:26:23 -0600
From:   Jonathan Denose <jdenose@...omium.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Jonathan Denose <jdenose@...gle.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Mattijs Korpershoek <mkorpershoek@...libre.com>,
        Takashi Iwai <tiwai@...e.de>,
        Werner Sembach <wse@...edocomputers.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-input@...r.kernel.org
Subject: [PATCH] Input: i8042 - Add quirk for Fujitsu Lifebook A574/H

Fujitsu Lifebook A574/H requires the nomux option to properly
probe the touchpad, especially when waking from sleep.

Signed-off-by: Jonathan Denose <jdenose@...gle.com>
---

 drivers/input/serio/i8042-acpipnpio.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
index efc61736099b..fe7ffe30997c 100644
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -610,6 +610,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 		},
 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
+	{
+		/* Fujitsu Lifebook A574/H */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "FMVA0501PZ"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
+	},
 	{
 		/* Gigabyte M912 */
 		.matches = {
-- 
2.40.0.rc0.216.gc4246ad0f0-goog