From: Chen-Yu Tsai <wens@csie.org>
Date: Wed, 18 Jul 2018 17:24:35 +0000 (+0000)
Subject: Input: i8042 - add Lenovo LaVie Z to the i8042 reset list
X-Git-Tag: v5.15~74^2~242
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=384cf4285b34e08917e3e66603382f2b0c4f6e1b;p=platform%2Fkernel%2Flinux-starfive.git

Input: i8042 - add Lenovo LaVie Z to the i8042 reset list

The Lenovo LaVie Z laptop requires i8042 to be reset in order to
consistently detect its Elantech touchpad. The nomux and kbdreset
quirks are not sufficient.

It's possible the other LaVie Z models from NEC require this as well.

Cc: stable@vger.kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b353d49..136f6e7 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -527,6 +527,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 		},
 	},
+	{
+		/* Lenovo LaVie Z */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
+		},
+	},
 	{ }
 };