From nobody Thu Oct 2 13:03:49 2025 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 A0045303A05; Wed, 17 Sep 2025 10:15:30 +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=1758104130; cv=none; b=S2M0ehdppxmD/pbgQ7zU0SApYUB744AZOTE2NDKPq5I0/UUk+1TV0TNul4ZU7Prhrfb1pCeR2xiZEiPbNhljOJVN+KNDIr9ogZZi59ZPUnUiq+DjOiJEDVCKtWbtczg44mAK4DWVBbqa/JzpsoyONYe4/J79LSm811r32mFZp78= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758104130; c=relaxed/simple; bh=nCF34gV9mNg1R6NYZ67glP462eVZSpHAhK8qe1dLkyU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=d8hQCs+SCYKWL2CSMmADVQy1ht6kvDX5bKrFE819UnCUS1FdYgtQ0RZGfn/KDvRiX/8ao0DklQmWimM0jYyvriHGetPtMOmmcaT05uWfOjTKQv+UzChzfp1FS6UhlKXXXef7extbbYyUDAIQs05nvjv9rfhnImwf14zRFBoOfcE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DI/VzDAu; 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="DI/VzDAu" Received: by smtp.kernel.org (Postfix) with ESMTPS id 3F0AAC4CEFF; Wed, 17 Sep 2025 10:15:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758104130; bh=nCF34gV9mNg1R6NYZ67glP462eVZSpHAhK8qe1dLkyU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=DI/VzDAu0TBF6kzWKHJhzJYppRWFw1eQeXJ/9JoIUyeT6pji/V5rEpVcB6RfiZNec z1QiMnsaIoNfXb8huTJjrXoe5XoBQcuNYrpjZYMAOfyGmRAav0p7CY+ObWMqebzJXS xdIYRRWB8CApIAXGS98ChLc0vj9ZDkGloGDoCVAOY7uMRu9smcAGL5EfMjTKjRt9B3 sgkSVhtdJVS4dnIkwnscqp+HFv6om3kMXKJzuUyFthSF8PWB8lVaGZhlvmwoLgKk0+ CLdghuvWuDioKzB0PdirozsHR8XsbchunOe7i+Bl+iSj/2dvo5x6o1z2nmp4wuJKal 8ACLbrJAzfK4g== 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 2EFD4CA0EE8; Wed, 17 Sep 2025 10:15:30 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Wed, 17 Sep 2025 18:15:16 +0800 Subject: [PATCH v5 3/9] power: supply: qcom_battmgr: Add resistance power supply property Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250917-qcom_battmgr_update-v5-3-270ade9ffe13@oss.qualcomm.com> References: <20250917-qcom_battmgr_update-v5-0-270ade9ffe13@oss.qualcomm.com> In-Reply-To: <20250917-qcom_battmgr_update-v5-0-270ade9ffe13@oss.qualcomm.com> To: Sebastian Reichel , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov , Bryan O'Donoghue , Konrad Dybcio Cc: Subbaraman Narayanamurthy , David Collins , =?utf-8?q?Gy=C3=B6rgy_Kurucz?= , 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=1758104128; l=2467; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=qFMmKwGjAYDQaWpF4fZvL+OO1QDC0goTFTZPyo/iQsQ=; b=LGtrOwVCH8GU29tX00F/p/pfnmJCYFnJuLa10sNpEAu4DGcrhmuJeOOIrrRWOo7NELg77Lw5F KjkQuhdXvC8AFnngZWuTUy6bgxJON+fh1t+8avcuvqc0RP2tG7uyra6 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 power supply property to get battery internal resistance from the battery management firmware. Signed-off-by: Fenglin Wu --- drivers/power/supply/qcom_battmgr.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qco= m_battmgr.c index fe27676fbc7cd12292caa6fb3b5b46a18c426e6d..6026266907c9dfd902240d451a0= d1c50fa5dbc59 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -2,6 +2,7 @@ /* * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved. * Copyright (c) 2022, Linaro Ltd + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. */ #include #include @@ -254,6 +255,7 @@ struct qcom_battmgr_status { unsigned int voltage_now; unsigned int voltage_ocv; unsigned int temperature; + unsigned int resistance; =20 unsigned int discharge_time; unsigned int charge_time; @@ -418,6 +420,7 @@ static const u8 sm8350_bat_prop_map[] =3D { [POWER_SUPPLY_PROP_MODEL_NAME] =3D BATT_MODEL_NAME, [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] =3D BATT_TTF_AVG, [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] =3D BATT_TTE_AVG, + [POWER_SUPPLY_PROP_INTERNAL_RESISTANCE] =3D BATT_RESISTANCE, [POWER_SUPPLY_PROP_POWER_NOW] =3D BATT_POWER_NOW, }; =20 @@ -582,6 +585,9 @@ static int qcom_battmgr_bat_get_property(struct power_s= upply *psy, case POWER_SUPPLY_PROP_TEMP: val->intval =3D battmgr->status.temperature; break; + case POWER_SUPPLY_PROP_INTERNAL_RESISTANCE: + val->intval =3D battmgr->status.resistance; + break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: val->intval =3D battmgr->status.discharge_time; break; @@ -665,6 +671,7 @@ static const enum power_supply_property sm8350_bat_prop= s[] =3D { POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, + POWER_SUPPLY_PROP_INTERNAL_RESISTANCE, POWER_SUPPLY_PROP_POWER_NOW, }; =20 @@ -1174,6 +1181,9 @@ static void qcom_battmgr_sm8350_callback(struct qcom_= battmgr *battmgr, case BATT_TTE_AVG: battmgr->status.discharge_time =3D le32_to_cpu(resp->intval.value); break; + case BATT_RESISTANCE: + battmgr->status.resistance =3D le32_to_cpu(resp->intval.value); + break; case BATT_POWER_NOW: battmgr->status.power_now =3D le32_to_cpu(resp->intval.value); break; --=20 2.34.1