linux-kernel - [PATCH] platform/x86: thinkpad_acpi: handle HKEY 0x1402 event

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Message-ID: <20250620181119.2519546-1-mpearson-lenovo@squebb.ca>
Date: Fri, 20 Jun 2025 14:11:10 -0400
From: Mark Pearson <mpearson-lenovo@...ebb.ca>
To: mpearson-lenovo@...ebb.ca
Cc: hmh@....eng.br,
	hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Damjan Georgievski <gdamjan@...il.com>
Subject: [PATCH] platform/x86: thinkpad_acpi: handle HKEY 0x1402 event

2025 Thinkpads F11 key launch the Intel Unison app on Windows,
which does some sort of smart sharing between laptop and phone.

Map this key event to KEY_LINK_PHONE as the closest thing we have.
This prevents an error message being displayed on key press.

Reported-by: Damjan Georgievski<gdamjan@...il.com>
Closes: https://sourceforge.net/p/ibm-acpi/mailman/message/59189556/
Signed-off-by: Mark Pearson <mpearson-lenovo@...ebb.ca>
---
 drivers/platform/x86/lenovo/thinkpad_acpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/lenovo/thinkpad_acpi.c b/drivers/platform/x86/lenovo/thinkpad_acpi.c
index e1c7bd06fa12..2155ec682b08 100644
--- a/drivers/platform/x86/lenovo/thinkpad_acpi.c
+++ b/drivers/platform/x86/lenovo/thinkpad_acpi.c
@@ -3295,6 +3295,7 @@ static const struct key_entry keymap_lenovo[] __initconst = {
 	 */
 	{ KE_KEY, 0x131d, { KEY_VENDOR } }, /* System debug info, similar to old ThinkPad key */
 	{ KE_KEY, 0x1320, { KEY_LINK_PHONE } },
+	{ KE_KEY, 0x1402, { KEY_LINK_PHONE } },
 	{ KE_KEY, TP_HKEY_EV_TRACK_DOUBLETAP /* 0x8036 */, { KEY_PROG4 } },
 	{ KE_END }
 };
-- 
2.43.0