platform/x86: acer-wmi: Ignore AC events

[ Upstream commit f6bfa25c6665f8721421ea94fe506cc22f1d4b43 ]

On the Acer Swift SFG14-41, the events 8 - 1 and 8 - 0 are printed on
AC connect/disconnect. Ignore those events to avoid spamming the
kernel log with error messages.

Reported-by: Farhan Anwar <farhan.anwar8@gmail.com>
Closes: https://lore.kernel.org/platform-driver-x86/2ffb529d-e7c8-4026-a3b8-120c8e7afec8@gmail.com
Tested-by: Rayan Margham <rayanmargham4@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250119201723.11102-2-W_Armin@gmx.de
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 82516796a53b00307439bf019d786d2ef194c43b..7ef80f517e76e8c44013a5c9bf049b7cf04803f9 100644 (file)
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -88,6 +88,7 @@ enum acer_wmi_event_ids {
        WMID_HOTKEY_EVENT = 0x1,
        WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
        WMID_GAMING_TURBO_KEY_EVENT = 0x7,
+       WMID_AC_EVENT = 0x8,
 };
 
 static const struct key_entry acer_wmi_keymap[] __initconst = {
@@ -2067,6 +2068,9 @@ static void acer_wmi_notify(u32 value, void *context)
                if (return_value.key_num == 0x4)
                        acer_toggle_turbo();
                break;
+       case WMID_AC_EVENT:
+               /* We ignore AC events here */
+               break;
        default:
                pr_warn("Unknown function number - %d - %d\n",
                        return_value.function, return_value.key_num);