From patchwork Fri May 30 07:35:08 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: 893634 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 BC9ED10FD; 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=bzN33qY3sdWbr/qs9zc4/M4e9q5t3QACsi7PS5nayHFd23exNeOwTpOFlMwf0JGd/ZK98Ud9aM2gqAivOv5gaS72DbKx6ZZ7TjV230ulfrE7m8PQ4sk3TmGG6sdZ38wC3TKwB8CpmrkkdYgp6VrwziA56h2BQiXtOOGslInZd+0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748590540; c=relaxed/simple; bh=HpRU3ck2iDgNbdzeI8oBQWZLheKpAIeZpo9xfMldP2w=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=az/5YMuPYgPYTPWdHa79BVP1PqGrgbPGLx0ybZmdGEaojopu+BhbOCuzk/Wj7HUFV7K9/XyIw+cOJQ1BxBSZ3XqtKdtGKjiY/jpShWJiUCPUvAJxfCHpE7cjbIVzIzLo8/0cm/0nXD6ZlSozqTlx0r/BIfEGbRBFqvfMj2ZwVlc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rt6ilV55; 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="rt6ilV55" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4E8E9C4CEF3; 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=HpRU3ck2iDgNbdzeI8oBQWZLheKpAIeZpo9xfMldP2w=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=rt6ilV55CVdzl+vZAHWoQmGghXXWQJXsyePqgDcsd1Aj9rJop3t0+hmGnk/ILNYgt r7skrw969lxpjGar8p4KGNVQ+fyw1Y0ybQB8knkZ4V2+x9hTYxRm7uZrqbVf0GLp4C fjVKb/bx7mRyvMem4mZQs9iaF0lH7+XLnXgXwygYpCMQvnLzLFYvB7YIq2rW9hTKzZ rD9vwnhAvwQyamWQBID1TnG3T1fYtSM7EOnhaa11+MNT7jebaDJZygxejPZvmWgwRY AbNoTOpaomZiGc/Utla7iqh0notb00cbL4YxThMtf+CBosPSwrfEOqTYP5SucHY4VY CMVK7gJwK37lg== 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 44F5BC3ABB2; Fri, 30 May 2025 07:35:40 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Fri, 30 May 2025 15:35:08 +0800 Subject: [PATCH v2 3/8] power: supply: qcom_battmgr: Add resistance 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-v2-3-9e377193a656@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=2437; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=0cVLEmmNpliBpNUD0QR9vZL+uf2t1nTBnEIcltQ8698=; b=m14YG3sHE+PlJwy7oQPcaZxsDuP262u4Wnd1rJoWhr8DbjVnW1Iki+ZXW05QWmQKpuOqCiwqk rphts1kUjp1BcEW5iZaZsHI0syCJ+NgHqVBHtGgfctYY9sr04+4F59f 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 resistance from the battery management firmware. Signed-off-by: Fenglin Wu Reviewed-by: Dmitry Baryshkov --- 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/qcom_battmgr.c index fe27676fbc7cd12292caa6fb3b5b46a18c426e6d..bc521f60f67fa427cc03b51c44adaeb46ae746f5 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) 2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include #include @@ -254,6 +255,7 @@ struct qcom_battmgr_status { unsigned int voltage_now; unsigned int voltage_ocv; unsigned int temperature; + unsigned int resistance; unsigned int discharge_time; unsigned int charge_time; @@ -418,6 +420,7 @@ static const u8 sm8350_bat_prop_map[] = { [POWER_SUPPLY_PROP_MODEL_NAME] = BATT_MODEL_NAME, [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG, [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG, + [POWER_SUPPLY_PROP_RESISTANCE] = BATT_RESISTANCE, [POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW, }; @@ -582,6 +585,9 @@ static int qcom_battmgr_bat_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_TEMP: val->intval = battmgr->status.temperature; break; + case POWER_SUPPLY_PROP_RESISTANCE: + val->intval = battmgr->status.resistance; + break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: val->intval = battmgr->status.discharge_time; break; @@ -665,6 +671,7 @@ static const enum power_supply_property sm8350_bat_props[] = { POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, + POWER_SUPPLY_PROP_RESISTANCE, POWER_SUPPLY_PROP_POWER_NOW, }; @@ -1174,6 +1181,9 @@ static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr, case BATT_TTE_AVG: battmgr->status.discharge_time = le32_to_cpu(resp->intval.value); break; + case BATT_RESISTANCE: + battmgr->status.resistance = le32_to_cpu(resp->intval.value); + break; case BATT_POWER_NOW: battmgr->status.power_now = le32_to_cpu(resp->intval.value); break;