linux-kernel - [PATCH v4 5/5] platform/x86: acer-wmi: Ignore AC events

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Message-Id: <20241210001657.3362-6-W_Armin@gmx.de>
Date: Tue, 10 Dec 2024 01:16:57 +0100
From: Armin Wolf <W_Armin@....de>
To: jlee@...e.com,
	farhan.anwar8@...il.com,
	rayanmargham4@...il.com
Cc: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kuurtb@...il.com
Subject: [PATCH v4 5/5] platform/x86: acer-wmi: Ignore AC events

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@...il.com>
Closes: https://lore.kernel.org/platform-driver-x86/2ffb529d-e7c8-4026-a3b8-120c8e7afec8@gmail.com
Tested-by: Rayan Margham <rayanmargham4@...il.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Signed-off-by: Armin Wolf <W_Armin@....de>
---
 drivers/platform/x86/acer-wmi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index aad8eb0ddae5..ef26ec8d90ea 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -99,6 +99,7 @@ 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,
 };

 enum acer_wmi_predator_v4_sys_info_command {
@@ -2304,6 +2305,9 @@ static void acer_wmi_notify(union acpi_object *obj, void *context)
 		if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
 			acer_thermal_profile_change();
 		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);
--
2.39.5