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[2a02:a44a:2a80:0:8c2a:39d0:7ce1:2682]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037f37ee8sm839737466b.59.2025.12.21.13.03.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Dec 2025 13:03:13 -0800 (PST) From: Tim Wassink To: Corentin Chary , "Luke D. Jones" , Denis Benato , Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tim Wassink Subject: [PATCH] platform/x86: asus-nb-wmi: add quirk_asus_ignore_fan for UX3405MA Date: Sun, 21 Dec 2025 22:01:48 +0100 Message-ID: <20251221210218.12274-1-timwassink.dev@gmail.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ASUS Zenbook 14 (UX3405MA) uses a newer WMI interface for thermal management that does not support the legacy WMI fan control methods. Currently, this results in ENODEV (-19) errors in dmesg when the driver attempts to fetch factory fan curve defaults. Add a quirk to use quirk_asus_ignore_fan to silence these errors and signal that legacy fan control is intentionally unsupported, as thermal policies are handled through the platform_profile interface. Signed-off-by: Tim Wassink --- drivers/platform/x86/asus-nb-wmi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus= -nb-wmi.c index 6a62bc5b02fd..eaa8abe506cb 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -544,6 +544,15 @@ static const struct dmi_system_id asus_quirks[] =3D { }, .driver_data =3D &quirk_asus_zenbook_duo_kbd, }, + { + .callback =3D dmi_matched, + .ident =3D "ASUS Zenbook 14 UX3405MA", + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "UX3405MA"), + }, + .driver_data =3D &quirk_asus_ignore_fan, + }, { .callback =3D dmi_matched, .ident =3D "ASUS ROG Z13", --=20 2.52.0