linux-kernel - [PATCH v2] platform/x86: dell-wmi: Add audio/mic mute key codes

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Message-Id: <20260207-mute-keys-v2-1-c55e5471c9c1@gmail.com>
Date: Sat, 07 Feb 2026 12:16:34 -0500
From: Kurt Borja <kuurtb@...il.com>
To: Matthew Garrett <mjg59@...f.ucam.org>, 
 Pali Rohár <pali@...nel.org>, 
 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, 
 Dell.Client.Kernel@...l.com, stable@...r.kernel.org, 
 Olexa Bilaniuk <obilaniu@...il.com>, Kurt Borja <kuurtb@...il.com>
Subject: [PATCH v2] platform/x86: dell-wmi: Add audio/mic mute key codes

Add audio/mic mute key codes found in Alienware m18 r1 AMD.

Cc: stable@...r.kernel.org
Tested-by: Olexa Bilaniuk <obilaniu@...il.com>
Suggested-by: Olexa Bilaniuk <obilaniu@...il.com>
Signed-off-by: Kurt Borja <kuurtb@...il.com>
---
v2:
  - Put the codes in the correct order
  - Add comment above keycodes
  - Mention the specific model that uses these keycodes in commit
    message

v1: https://lore.kernel.org/r/20260201-mute-keys-v1-1-825e786732fc@gmail.com
---
 drivers/platform/x86/dell/dell-wmi-base.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/platform/x86/dell/dell-wmi-base.c b/drivers/platform/x86/dell/dell-wmi-base.c
index 28076929d6af..907f1da01c8d 100644
--- a/drivers/platform/x86/dell/dell-wmi-base.c
+++ b/drivers/platform/x86/dell/dell-wmi-base.c
@@ -80,6 +80,12 @@ static const struct dmi_system_id dell_wmi_smbios_list[] __initconst = {
 static const struct key_entry dell_wmi_keymap_type_0000[] = {
 	{ KE_IGNORE, 0x003a, { KEY_CAPSLOCK } },
 
+	/* Audio mute toggle */
+	{ KE_KEY,    0x0109, { KEY_MUTE } },
+
+	/* Mic mute toggle */
+	{ KE_KEY,    0x0150, { KEY_MICMUTE } },
+
 	/* Meta key lock */
 	{ KE_IGNORE, 0xe000, { KEY_RIGHTMETA } },
 

---
base-commit: 008bec8ffe6e7746588d1e12c5b3865fa478fc91
change-id: 20260126-mute-keys-7f8a27cd317f

-- 
Thanks, 
 ~ Kurt