From patchwork Fri May 30 07:35:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu via B4 Relay X-Patchwork-Id: 893511 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 BCA4D1DE896; Fri, 30 May 2025 07:35:40 +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=1748590540; cv=none; b=CDQ0oPmn0rG5StoBiQruH9Gv9ly6OskfA2WY8ZKiC/EvosswUBlQY6MqK5FfJRv+Iv5E3me7Iq9P+j71S76/wakhtwv0d2c63alUi9eIyNKynsaBlb2WyJrg7Vl1Ilx8NUdM/GPNpzp4Fmvbg4PVCMtS9dc2P/CDGohTLc+Z3Dg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748590540; c=relaxed/simple; bh=D4LvA7UrfCTe8VeKBExXVK+cUwdzdAgvCjBwbtio6bU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JHJJb+an4SoWyreww5x/bTlkoDflJ58EFaq5w9fkHxFhosRQZdfbIEOVY46iPjDa0TwHwoMb5qHb+efraKfDJ3gCSoSw/G9sHPYFdYBM+48wNSsac3ZNOlHNCcYpL8Qdd0UA2ySUcb1kVmokfxYk0cD6PdIxOS3nfV5btnCmvOI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cHF41XNp; 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="cHF41XNp" Received: by smtp.kernel.org (Postfix) with ESMTPS id 47C2CC4AF0C; Fri, 30 May 2025 07:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748590540; bh=D4LvA7UrfCTe8VeKBExXVK+cUwdzdAgvCjBwbtio6bU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=cHF41XNpjmO83gunUJHs1M1NZ3ZrIRkoAWGWYaKedhb80ELGCB1JtZ0k8nzmmpu61 ICdyPt+mznYM4n1oEWPCOrkbSs0OKwrx3B0AoPOUMxA6NxU5ve1XrKYTMhCEr6+nc1 U7V17cCt+tTTb4YWbXecOcDoiy06B7M0f7F3XYCLJToyg/v1RvIwv/0gq3A0d9Ms5e OALdLIhcN1IXlkwDNrQ5L9RJrUU0Kd6zrGVrD8cYiCZrVPJe6lgsSMKJ/C6cLhYhng 493tAjsW+qoBtwzUxQ7IQJR6/SjJ20ClFOK3EprPVNJ1JE9qKYo2eiVVeivIqr0mf8 tQVg9DscP7prw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36FF7C5B552; Fri, 30 May 2025 07:35:40 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Fri, 30 May 2025 15:35:07 +0800 Subject: [PATCH v2 2/8] power: supply: core: Add state_of_health power supply property Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250530-qcom_battmgr_update-v2-2-9e377193a656@oss.qualcomm.com> References: <20250530-qcom_battmgr_update-v2-0-9e377193a656@oss.qualcomm.com> In-Reply-To: <20250530-qcom_battmgr_update-v2-0-9e377193a656@oss.qualcomm.com> To: Sebastian Reichel , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: Subbaraman Narayanamurthy , David Collins , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, kernel@oss.qualcomm.com, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, Fenglin Wu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748590538; l=2318; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=4T4hHb+n7mzpuwhjLl1QDUEn8r857rZ0TUShtny5/Kc=; b=YbVEwriCt6SIvmGBzCu2fiJXySFAMVooeEyW/zfsRtCBxRiW5LTqZ4qaR39GefZ36IW7ojGfx 4tfWtez1vVlC/D6HguOVILhZzmGXCmGGncHNDs+OrdtO/X23/1bbszk X-Developer-Key: i=fenglin.wu@oss.qualcomm.com; a=ed25519; pk=BF8SA4IVDk8/EBCwlBehKtn2hp6kipuuAuDAHh9s+K4= X-Endpoint-Received: by B4 Relay for fenglin.wu@oss.qualcomm.com/20240327 with auth_id=406 X-Original-From: Fenglin Wu Reply-To: fenglin.wu@oss.qualcomm.com From: Fenglin Wu Add state_of_health power supply property to represent battery health percentage. Signed-off-by: Fenglin Wu --- Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 1 + 3 files changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 22a565a6a1c509461b8c483e12975295765121d6..74e0d4d67467500c3cd62da3ae0b2e4a67e77680 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -562,6 +562,16 @@ Description: Valid values: Represented in microohms +What: /sys/class/power_supply//state_of_health +Date: May 2025 +Contact: linux-arm-msm@vger.kernel.org +Description: + Reports battery power supply state of health in percentage. + + Access: Read + + Valid values: 0 - 100 (percent) + **USB Properties** What: /sys/class/power_supply//input_current_limit diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index dd829148eb6fda5dcd7eab53fc70f99081763714..12af0d0398822ff23d8970f6bdc8e3ef68081a1d 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -221,6 +221,7 @@ static struct power_supply_attr power_supply_attrs[] __ro_after_init = { POWER_SUPPLY_ATTR(MANUFACTURE_MONTH), POWER_SUPPLY_ATTR(MANUFACTURE_DAY), POWER_SUPPLY_ATTR(RESISTANCE), + POWER_SUPPLY_ATTR(STATE_OF_HEALTH), /* Properties of type `const char *' */ POWER_SUPPLY_ATTR(MODEL_NAME), POWER_SUPPLY_ATTR(MANUFACTURER), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index de3e88810e322546470b21258913abc7707c86a7..dd0108940231352ac6c6f0fa962d1ea904d81c7a 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -175,6 +175,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_MANUFACTURE_MONTH, POWER_SUPPLY_PROP_MANUFACTURE_DAY, POWER_SUPPLY_PROP_RESISTANCE, + POWER_SUPPLY_PROP_STATE_OF_HEALTH, /* Properties of type `const char *' */ POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER,