From nobody Fri Sep 19 03:46:05 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9358EC4321E for ; Tue, 29 Nov 2022 12:21:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233991AbiK2MV0 (ORCPT ); Tue, 29 Nov 2022 07:21:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233646AbiK2MVW (ORCPT ); Tue, 29 Nov 2022 07:21:22 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFB1B5D6B6; Tue, 29 Nov 2022 04:21:21 -0800 (PST) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2ATBSHlN026338; Tue, 29 Nov 2022 12:20:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=qcppdkim1; bh=2EqvUAVPf+FzRjsgjfi56F7x2lfzdUmMxl5oDk1dNBk=; b=CiIwERXMRx9UsI2oOVqN697/hw2l4Ocnkd3z6xqpAfDV8nzbv6kh4St8zD4ngj+jTlDN i1pQ8OTUqrVFWYEE0yDNE/aCXSMwH6R0WLsa0RO5VqgSbDvYDvayIsjpUEACujAGFdSz uD/Z1B6qzmWrS21JhV0yHbpBoaBGJIac8WOFZ5BUujE4qnWvDJmeAhFOg+U9OZi7ku9+ 7qwBhk6wKQsFlAcMQaOAc7KOqLFgjovu7BxU+Uu4YVVG7CJ8d74hAgshIUAjQ4krvvKv efKh783I6WpatsyWdYEZ6UpLrfjGlWR5Jf5Qwbn+MBfNSo27Q78/+JzixCBWqZrgiJ/C dw== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3m5a7f99v8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Nov 2022 12:20:32 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 2ATCKVbB014949 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Nov 2022 12:20:31 GMT Received: from hu-srivasam-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Tue, 29 Nov 2022 04:20:26 -0800 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , CC: Srinivasa Rao Mandadapu Subject: [PATCH v2] ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops Date: Tue, 29 Nov 2022 17:50:11 +0530 Message-ID: <1669724411-14840-1-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: m2ccWSyh_Wr8E-9VPMqyMATY_0uSkLL8 X-Proofpoint-ORIG-GUID: m2ccWSyh_Wr8E-9VPMqyMATY_0uSkLL8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-29_07,2022-11-29_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 mlxscore=0 bulkscore=0 malwarescore=0 mlxlogscore=982 spamscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211290072 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Update lpass sc7280 platform driver with PM ops, such as system supend and resume callbacks. This update is required to disable clocks during supend and avoid XO shutdown issue. Signed-off-by: Srinivasa Rao Mandadapu Tested-by: Rahul Ajmeriya --- Changes since v1: -- Add __maybe_unused flag for suspend/resume APIs. sound/soc/qcom/lpass-sc7280.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/sound/soc/qcom/lpass-sc7280.c b/sound/soc/qcom/lpass-sc7280.c index 70c4df8..d43f480 100644 --- a/sound/soc/qcom/lpass-sc7280.c +++ b/sound/soc/qcom/lpass-sc7280.c @@ -232,10 +232,28 @@ static int sc7280_lpass_exit(struct platform_device *= pdev) struct lpass_data *drvdata =3D platform_get_drvdata(pdev); =20 clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks); + return 0; +} + +static int __maybe_unused sc7280_lpass_dev_resume(struct device *dev) +{ + struct lpass_data *drvdata =3D dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks); +} =20 +static int __maybe_unused sc7280_lpass_dev_suspend(struct device *dev) +{ + struct lpass_data *drvdata =3D dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks); return 0; } =20 +static const struct dev_pm_ops sc7280_lpass_pm_ops =3D { + SET_SYSTEM_SLEEP_PM_OPS(sc7280_lpass_dev_suspend, sc7280_lpass_dev_resume) +}; + static struct lpass_variant sc7280_data =3D { .i2sctrl_reg_base =3D 0x1000, .i2sctrl_reg_stride =3D 0x1000, @@ -426,6 +444,7 @@ static struct platform_driver sc7280_lpass_cpu_platform= _driver =3D { .driver =3D { .name =3D "sc7280-lpass-cpu", .of_match_table =3D of_match_ptr(sc7280_lpass_cpu_device_id), + .pm =3D &sc7280_lpass_pm_ops, }, .probe =3D asoc_qcom_lpass_cpu_platform_probe, .remove =3D asoc_qcom_lpass_cpu_platform_remove, --=20 2.7.4