linux-kernel - [PATCH v3] platform/x86: ideapad-laptop: added support for some new buttons

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Message-Id: <20250328115107.110619-1-gasper.nemgar@gmail.com>
Date: Fri, 28 Mar 2025 12:51:07 +0100
From: Gašper Nemgar <gasper.nemgar@...il.com>
To: ikepanhc@...il.com
Cc: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org,
	Gašper Nemgar <gasper.nemgar@...il.com>
Subject: [PATCH v3] platform/x86: ideapad-laptop: added support for some new buttons

Added entries to unsuported wmi codes in ideapad_keymap[]
and one check in wmi_nofify in order to get wmi code 0x13d to trigger platform_profile_cycle

Signed-off-by: Gašper Nemgar <gasper.nemgar@...il.com>"
---
Changes in v3:
 - Minor changes
Changes in v2:
 - Added more codes that trigger with key combos (Fn+N, Fn+M, ...)
 - Added performence toggle in wmi_notify()
Changes in v1:
 - Added codes for buttons on laptop(performance, star, ...)
---
 drivers/platform/x86/ideapad-laptop.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 17a09b778..8f8764554 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -1294,6 +1294,16 @@ static const struct key_entry ideapad_keymap[] = {
 	/* Specific to some newer models */
 	{ KE_KEY,	0x3e | IDEAPAD_WMI_KEY, { KEY_MICMUTE } },
 	{ KE_KEY,	0x3f | IDEAPAD_WMI_KEY, { KEY_RFKILL } },
+	/* Star- (User Asignable Key) */
+	{ KE_KEY,	0x44 | IDEAPAD_WMI_KEY, { KEY_PROG1 } },
+	/* Eye */
+	{ KE_KEY,	0x45 | IDEAPAD_WMI_KEY, { KEY_PROG3 } },
+	/* Performance toggle also Fn+Q, handled inside ideapad_wmi_notify() */
+	{ KE_KEY,	0x3d | IDEAPAD_WMI_KEY, { KEY_PROG4 } },
+	/* shift + prtsc */
+	{ KE_KEY,   0x2d | IDEAPAD_WMI_KEY, { KEY_CUT } },
+	{ KE_KEY,   0x29 | IDEAPAD_WMI_KEY, { KEY_TOUCHPAD_TOGGLE } },
+	{ KE_KEY,   0x2a | IDEAPAD_WMI_KEY, { KEY_ROOT_MENU } },
 
 	{ KE_END },
 };
@@ -2080,6 +2090,14 @@ static void ideapad_wmi_notify(struct wmi_device *wdev, union acpi_object *data)
 		dev_dbg(&wdev->dev, "WMI fn-key event: 0x%llx\n",
 			data->integer.value);
 
+		/* performance button triggered by 0x3d  */
+		if (data->integer.value == 0x3d) {
+			if (priv->dytc) {
+				platform_profile_cycle();
+				break;
+			}
+		}
+
 		/* 0x02 FnLock, 0x03 Esc */
 		if (data->integer.value == 0x02 || data->integer.value == 0x03)
 			ideapad_fn_lock_led_notify(priv, data->integer.value == 0x02);
-- 
2.34.1