From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA0C32153D2; Tue, 27 May 2025 02:38:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748313503; cv=none; b=NcYFZr6y/lkx1cVosp9H6VapvqcC35n1cB3MMrHY9JxSDHVGllzeAOC+ZTE9v92dbXN4JMr8OxpPH5+5d9wNwh3knJfaxuL+CupWdmv7i+YSyFJT8jcHnVG02q6hzTJnUNSN6+geXWdqgNNkYsZ8DuYbqr6elb2wOO/4gZnAqLk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748313503; c=relaxed/simple; bh=var/d0IhqLFfAjZssX2YAOkC1cM3al52Me5O9n9LXUY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=MKKG+cnjNgRN1FsYT0hWclRtplCWrA/Hu5X7UqpoLNtmu0HUjqCFkPkj4128HyGT68tapRAFVbsqDJNy+dqXc2jfdpu2wnjoM2E3EDfU/pp8DNVoGqktW9SrkSmR2TSNuT4N41CIoHrY+SGsDncpbFh00MUptG+a/4q8TXrDcjI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jn1b+H16; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jn1b+H16" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF8C7C4CEED; Tue, 27 May 2025 02:38:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748313502; bh=var/d0IhqLFfAjZssX2YAOkC1cM3al52Me5O9n9LXUY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jn1b+H16w/skAqucSnzcPUvGJsN+t9G1DZxbel3sy3Zau+tRlsOhW3l/gHvmBC5lN 75iOZ9yEx/JMACB/TrSf4nOo0s+5DsJcMdUODvsHsyHZOT1/Wc4E3iQrvqoVbjFavv s4kj/FQJojp0YflRRhvn1sZYjWnay4Sy604rmgoaV1LUfRKdAcJl1TAUFguE3BWA+J +n9RtKoH/PUEXsPGWNh3QpM6Dz3SPd1apw9ZvB2OX3ieEdp4WpjgV1FCa/ntBYP6Ij L+rfayn41oxNVlw9XrC80W2/eETRTpVUAXLYS2rOWyXD2y021pCcODoPoajxKxn9As /qrqckn4aKoIg== From: Sasha Levin To: patches@lists.linux.dev, stable@vger.kernel.org Cc: Mark Pearson , Derek Barbosa , Hans de Goede , Armin Wolf , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Sasha Levin , hmh@hmh.eng.br, ibm-acpi-devel@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 2/2] platform/x86: thinkpad_acpi: Ignore battery threshold change event notification Date: Mon, 26 May 2025 22:38:19 -0400 Message-Id: <20250527023819.1017446-2-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250527023819.1017446-1-sashal@kernel.org> References: <20250527023819.1017446-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.4.293 Content-Transfer-Encoding: 8bit From: Mark Pearson [ Upstream commit 29e4e6b4235fefa5930affb531fe449cac330a72 ] If user modifies the battery charge threshold an ACPI event is generated. Confirmed with Lenovo FW team this is only generated on user event. As no action is needed, ignore the event and prevent spurious kernel logs. Reported-by: Derek Barbosa Closes: https://lore.kernel.org/platform-driver-x86/7e9a1c47-5d9c-4978-af20-3949d53fb5dc@app.fastmail.com/T/#m5f5b9ae31d3fbf30d7d9a9d76c15fb3502dfd903 Signed-off-by: Mark Pearson Reviewed-by: Hans de Goede Reviewed-by: Armin Wolf Link: https://lore.kernel.org/r/20250517023348.2962591-1-mpearson-lenovo@squebb.ca Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen Signed-off-by: Sasha Levin --- drivers/platform/x86/thinkpad_acpi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index fbb9a5c7f8b82..f05b604892d32 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -195,6 +195,7 @@ enum tpacpi_hkey_event_t { /* Thermal events */ TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */ TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */ + TP_HKEY_EV_ALARM_BAT_LIM_CHANGE = 0x6013, /* battery charge limit changed*/ TP_HKEY_EV_ALARM_SENSOR_HOT = 0x6021, /* sensor too hot */ TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */ TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* windows; thermal table changed */ @@ -4059,6 +4060,10 @@ static bool hotkey_notify_6xxx(const u32 hkey, pr_alert("THERMAL EMERGENCY: battery is extremely hot!\n"); /* recommended action: immediate sleep/hibernate */ break; + case TP_HKEY_EV_ALARM_BAT_LIM_CHANGE: + pr_debug("Battery Info: battery charge threshold changed\n"); + /* User changed charging threshold. No action needed */ + return true; case TP_HKEY_EV_ALARM_SENSOR_HOT: pr_crit("THERMAL ALARM: a sensor reports something is too hot!\n"); /* recommended action: warn user through gui, that */ -- 2.39.5