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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Jorge Lopez <jorge.lopez2@hp.com>,
        Kai-Heng Feng <kai.heng.feng@canonical.com>,
        Hans de Goede <hdegoede@redhat.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 122/167] platform/x86: hp-wmi: Ignore Sanitization Mode event
Date:   Tue, 19 Jul 2022 13:54:14 +0200
Message-Id: <20220719114708.407029125@linuxfoundation.org>
In-Reply-To: <20220719114656.750574879@linuxfoundation.org>
References: <20220719114656.750574879@linuxfoundation.org>
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From: Kai-Heng Feng <kai.heng.feng@canonical.com>

[ Upstream commit 9ab762a84b8094540c18a170e5ddd6488632c456 ]

After system resume the hp-wmi driver may complain:
[ 702.620180] hp_wmi: Unknown event_id - 23 - 0x0

According to HP it means 'Sanitization Mode' and it's harmless to just
ignore the event.

Cc: Jorge Lopez <jorge.lopez2@hp.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220628123726.250062-1-kai.heng.feng@canonical.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/hp-wmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 027a1467d009..1cd168e32810 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -63,6 +63,7 @@ enum hp_wmi_event_ids {
 	HPWMI_BACKLIT_KB_BRIGHTNESS	= 0x0D,
 	HPWMI_PEAKSHIFT_PERIOD		= 0x0F,
 	HPWMI_BATTERY_CHARGE_PERIOD	= 0x10,
+	HPWMI_SANITIZATION_MODE		= 0x17,
 };
 
 struct bios_args {
@@ -638,6 +639,8 @@ static void hp_wmi_notify(u32 value, void *context)
 		break;
 	case HPWMI_BATTERY_CHARGE_PERIOD:
 		break;
+	case HPWMI_SANITIZATION_MODE:
+		break;
 	default:
 		pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data);
 		break;
-- 
2.35.1