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authorArmin Wolf <W_Armin@gmx.de>2025-11-17 16:59:38 +0100
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2025-11-18 09:35:53 +0200
commit444a9256f8d106e08a6bc2dc8ef28a8699e4b3ba (patch)
treeeed226628335222ce7b2a236f710005750561e06 /drivers
parentd8bb447efc5622577994287dc77c684fa8840b30 (diff)
downloadnet-444a9256f8d106e08a6bc2dc8ef28a8699e4b3ba.tar.gz
platform/x86: acer-wmi: Ignore backlight event
On the Acer Nitro AN515-58, the event 4 - 0 is send by the ACPI firmware when the backlight up/down keys are pressed. Ignore this event to avoid spamming the kernel log with error messages, as the acpi-video driver already handles brightness up/down events. Reported-by: Bugaddr <Bugaddr@protonmail.com> Closes: https://bugaddr.tech/posts/2025-11-16-debugging-the-acer-nitro-5-an515-58-fn-f10-keyboard-backlight-bug-on-linux/#wmi-interface-issues Tested-by: Bugaddr <Bugaddr@protonmail.com> Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20251117155938.3030-1-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/x86/acer-wmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 13eb22b35aa8f8..d848afc91f87dd 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -102,6 +102,7 @@ MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
enum acer_wmi_event_ids {
WMID_HOTKEY_EVENT = 0x1,
+ WMID_BACKLIGHT_EVENT = 0x4,
WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
WMID_GAMING_TURBO_KEY_EVENT = 0x7,
WMID_AC_EVENT = 0x8,
@@ -2369,6 +2370,9 @@ static void acer_wmi_notify(union acpi_object *obj, void *context)
sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
}
break;
+ case WMID_BACKLIGHT_EVENT:
+ /* Already handled by acpi-video */
+ break;
case WMID_ACCEL_OR_KBD_DOCK_EVENT:
acer_gsensor_event();
acer_kbd_dock_event(&return_value);