linux-kernel - [PATCH] Input: Add nopnp quirk for Acer Aspire 5 A515

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Date:   Fri, 25 Sep 2020 23:38:50 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andrés Barrantes Silman 
        <andresbs2000@...tonmail.com>
Subject: [PATCH] Input: Add nopnp quirk for Acer Aspire 5 A515

From: Jiri Kosina <jkosina@...e.cz>

Touchpad on this laptop is not detected properly during boot, as PNP 
enumerates (wrongly) AUX port as disabled on this machine.

Fix that by adding this board (with admittedly quite funny DMI 
identifiers) to nopnp quirk list.

Reported-by: Andrés Barrantes Silman <andresbs2000@...tonmail.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
---
 drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 7d7f73702726..2527e19c95b4 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -705,6 +705,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 		},
 	},
+	{
+		/* Acer Aspire 5 A515 */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
+		},
+	},
 	{ }
 };
 
-- 
Jiri Kosina
SUSE Labs