linux-kernel - [PATCH] platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2

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Date:   Mon, 22 Feb 2021 15:15:59 +0100
From:   Alban Bedel <albeu@...e.fr>
To:     Alex Hung <alex.hung@...onical.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alban Bedel <albeu@...e.fr>
Subject: [PATCH] platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2

Like a few other system the Lenovo ThinkPad X1 Tablet Gen 2 miss the
HEBC method, which prevent the power button from working. Add a quirk
to enable the button array on this system family and fix the power
button.

Signed-off-by: Alban Bedel <albeu@...e.fr>
---
 drivers/platform/x86/intel-hid.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index 2f5b8d09143e..57cc92891a57 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -90,6 +90,13 @@ static const struct dmi_system_id button_array_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x2 Detachable"),
 		},
 	},
+	{
+		.ident = "Lenovo ThinkPad X1 Tablet Gen 2",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Tablet Gen 2"),
+		},
+	},
 	{ }
 };
 
-- 
2.27.0