From nobody Fri Sep 19 05:41:34 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 26BDDC4167D for ; Mon, 28 Nov 2022 07:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229985AbiK1HuO (ORCPT ); Mon, 28 Nov 2022 02:50:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229509AbiK1HuM (ORCPT ); Mon, 28 Nov 2022 02:50:12 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7315A958A; Sun, 27 Nov 2022 23:50:10 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2AS5pvbm013085; Mon, 28 Nov 2022 07:49:21 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=EvOYNr5YwYsIS+9C2KVrBrkRa6q4/RNX1EkrAtgxSz0=; b=pRMT6liRzaCzEJ+gyyAB9TSBPVuSRM2WcXU9/mavI0Kkf4QQqKhYNqhf2GFRiqVxmoJ4 if1wzu6Fb3WewGZxUy6u9a8z8d494yKiKvZBnK9SM4bubVGharcdcvAvcFyiOzk1RYds wAGJ2S5F2ncHHjbjZozbF2KCTC5NVXkJCyWUsMeA+kLcYe4jPE0KFbXHrCpQszCozQrv o6vhHFj0V1NXDQ0WnjFITdHdc2oGJgNsaKASUWZcPQvcUmlKNmEADFltw/OB3eAVhG/n rKuWSoccanMC2q/z9TJuXpNy8RD54Z+yXpEtCcF4dkuDQ09McUfzlUFsUK4DE70m2MVF dg== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3m3bjrkpca-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Nov 2022 07:49:21 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 2AS7nLi5009840 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Nov 2022 07:49:21 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; Sun, 27 Nov 2022 23:49:15 -0800 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , CC: Srinivasa Rao Mandadapu Subject: [PATCH] ASoC: qcom: lpass-sc7180: Add system suspend/resume PM ops Date: Mon, 28 Nov 2022 13:19:02 +0530 Message-ID: <1669621742-28524-1-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: nasanex01b.na.qualcomm.com (10.46.141.250) 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-ORIG-GUID: oyKsuhqYmd0bM19Akig8BJRQ_oIBWATw X-Proofpoint-GUID: oyKsuhqYmd0bM19Akig8BJRQ_oIBWATw 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=2022-11-28_06,2022-11-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 adultscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211280061 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 sc7180 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 --- sound/soc/qcom/lpass-sc7180.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c index 77a556b..6ad1c5b 100644 --- a/sound/soc/qcom/lpass-sc7180.c +++ b/sound/soc/qcom/lpass-sc7180.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -156,10 +157,34 @@ static int sc7180_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 sc7180_lpass_dev_resume(struct device *dev) +{ + int ret =3D 0; + struct lpass_data *drvdata =3D dev_get_drvdata(dev); =20 + ret =3D clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks); + if (ret) { + dev_err(dev, "sc7180 clk prepare and enable failed\n"); + return ret; + } + return ret; +} + +static int sc7180_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 sc7180_lpass_pm_ops =3D { + SET_SYSTEM_SLEEP_PM_OPS(sc7180_lpass_dev_suspend, sc7180_lpass_dev_resume) +}; + static struct lpass_variant sc7180_data =3D { .i2sctrl_reg_base =3D 0x1000, .i2sctrl_reg_stride =3D 0x1000, @@ -293,6 +318,7 @@ static struct platform_driver sc7180_lpass_cpu_platform= _driver =3D { .driver =3D { .name =3D "sc7180-lpass-cpu", .of_match_table =3D of_match_ptr(sc7180_lpass_cpu_device_id), + .pm =3D &sc7180_lpass_pm_ops, }, .probe =3D asoc_qcom_lpass_cpu_platform_probe, .remove =3D asoc_qcom_lpass_cpu_platform_remove, --=20 2.7.4