[PATCH] platform/x86: asus-nb-wmi: add quirk_asus_ignore_fan for UX3405MA
From: Tim Wassink
Date: Sun Dec 21 2025 - 16:03:15 EST
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 <timwassink.dev@xxxxxxxxx>
---
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[] = {
},
.driver_data = &quirk_asus_zenbook_duo_kbd,
},
+ {
+ .callback = dmi_matched,
+ .ident = "ASUS Zenbook 14 UX3405MA",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "UX3405MA"),
+ },
+ .driver_data = &quirk_asus_ignore_fan,
+ },
{
.callback = dmi_matched,
.ident = "ASUS ROG Z13",
--
2.52.0