linux-kernel - [PATCH] platform/x86: ideapad-laptop: support Fn+R dual-function key

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Date: Sat, 10 Feb 2024 23:51:57 +0100
From: Gergo Koteles <soyer@....hu>
To: Ike Panhc <ike.pan@...onical.com>,
  Hans de Goede <hdegoede@...hat.com>,
  Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: platform-driver-x86@...r.kernel.org,
  linux-kernel@...r.kernel.org, Gergo Koteles <soyer@....hu>
Subject: [PATCH] platform/x86: ideapad-laptop: support Fn+R dual-function key

According to the manual, Fn+R adjusts the display refresh rate.
Map Fn+R to KEY_DISPLAYTOGGLE.

Signed-off-by: Gergo Koteles <soyer@....hu>
---
 drivers/platform/x86/ideapad-laptop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 88eefccb6ed2..4c130957f80d 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -1091,6 +1091,8 @@ static const struct key_entry ideapad_keymap[] = {
 	{ KE_KEY,	0x07 | IDEAPAD_WMI_KEY, { KEY_HELP } },
 	{ KE_KEY,	0x0e | IDEAPAD_WMI_KEY, { KEY_PICKUP_PHONE } },
 	{ KE_KEY,	0x0f | IDEAPAD_WMI_KEY, { KEY_HANGUP_PHONE } },
+	/* Refresh Rate Toggle (Fn+R) */
+	{ KE_KEY,	0x10 | IDEAPAD_WMI_KEY, { KEY_DISPLAYTOGGLE } },
 	/* Dark mode toggle */
 	{ KE_KEY,	0x13 | IDEAPAD_WMI_KEY, { KEY_PROG1 } },
 	/* Sound profile switch */
-- 
2.43.0