linux-kernel - [PATCH] platform/x86: asus-wmi: map more keys on ExpertBook B9

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Message-Id: <20250702070231.2872-1-anton@khirnov.net>
Date: Wed,  2 Jul 2025 09:02:31 +0200
From: Anton Khirnov <anton@...rnov.net>
To: Corentin Chary <corentin.chary@...il.com>,
	"Luke D. Jones" <luke@...nes.dev>,
	Hans de Goede <hansg@...nel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] platform/x86: asus-wmi: map more keys on ExpertBook B9

* there is a dedicated "noise cancel" key in top row, between mic mute
  and PrintScreen; it sends 0xCA when pressed by itself (mapped to F14),
  0xCB with Fn (mapped to F15)
* Fn+f sends 0x9D; it is not documented in the manual, but some web
  search results mention "asus intelligent performance"; mapped to PROG2
* Fn+space sends 0x5B; it is not documented or mentioned anywhere I
  could find; mapped to PROG3

Signed-off-by: Anton Khirnov <anton@...rnov.net>
---
 drivers/platform/x86/asus-nb-wmi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 3f8b2a324efd..42d7b435ba63 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -573,6 +573,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, 0x55, { KEY_CALC } },
 	{ KE_IGNORE, 0x57, },  /* Battery mode */
 	{ KE_IGNORE, 0x58, },  /* AC mode */
+	{ KE_KEY, 0x5B, { KEY_PROG3 } }, /* Fn+space */
 	{ KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
 	{ KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
 	{ KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
@@ -609,6 +610,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
 	{ KE_KEY, 0x95, { KEY_MEDIA } },
 	{ KE_KEY, 0x99, { KEY_PHONE } }, /* Conflicts with fan mode switch */
+	{ KE_KEY, 0X9D, { KEY_PROG2 } }, /* Fn+f */
 	{ KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
 	{ KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
 	{ KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
@@ -623,6 +625,8 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_IGNORE, 0xC0, }, /* External display connect/disconnect notification */
 	{ KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
 	{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
+	{ KE_KEY, 0xCA, { KEY_F14 } }, /* Noise cancelling on Expertbook B9 */
+	{ KE_KEY, 0xCB, { KEY_F15 } }, /* Fn+noise-cancel */
 	{ KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
 	{ KE_IGNORE, 0xCF, },	/* AC mode */
 	{ KE_KEY, 0xFA, { KEY_PROG2 } },           /* Lid flip action */
-- 
2.39.5