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Received: from AM9PR04MB8353.eurprd04.prod.outlook.com (2603:10a6:20b:3ef::22) by AM9PR04MB8276.eurprd04.prod.outlook.com (2603:10a6:20b:3e7::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.18; Wed, 29 Apr 2026 02:13:20 +0000 Received: from AM9PR04MB8353.eurprd04.prod.outlook.com ([fe80::46ae:f774:f04c:a1bc]) by AM9PR04MB8353.eurprd04.prod.outlook.com ([fe80::46ae:f774:f04c:a1bc%5]) with mapi id 15.20.9769.016; Wed, 29 Apr 2026 02:13:20 +0000 From: Chancel Liu To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, shumingf@realtek.com, rander.wang@linux.intel.com, pierre-louis.bossart@linux.dev, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/3] ASoC: soc-core: Add core support for ignoring suspend on selected DAPM widgets Date: Wed, 29 Apr 2026 11:12:49 +0900 Message-ID: <20260429021252.691263-1-chancel.liu@nxp.com> X-Mailer: git-send-email 2.50.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SE2P216CA0139.KORP216.PROD.OUTLOOK.COM (2603:1096:101:2c8::11) To AM9PR04MB8353.eurprd04.prod.outlook.com (2603:10a6:20b:3ef::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR04MB8353:EE_|AM9PR04MB8276:EE_ X-MS-Office365-Filtering-Correlation-Id: eb0fa4a7-f6f3-4d18-3710-08dea594e24d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|1800799024|52116014|7416014|376014|366016|921020|38350700014|18002099003|56012099003; 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Introduce a generic and reusable mechanism in the ASoC core to mark selected DAPM widgets as ignore_suspend. The unified mechanism consists of two parts: 1. Parse and store the name list of widgets to ignore suspend in struct snd_soc_card The list of widgets can be provided either by the machine driver or parsed from Device Tree. Different machines have different routing and power requirements. Each machine can specify its own widgets to ignore suspend through DT property. It enables flexible policy without hard code. A new helper, snd_soc_of_parse_ignore_suspend_widgets() is added for this purpose. 2. Apply ignore_suspend flags during snd_soc_bind_card() After all components have been probed and all DAPM widgets have been registered, snd_soc_bind_card() performs a unified lookup of the configured widget names across all DAPM contexts of the card and marks the matching widgets with ignore_suspend = 1. Switch to use core ignore-suspend-widgets support for imx-rpmsg driver. Changes in v3: - Reword first patch subject to use snd_soc_dapm_widget_name_cmp() - Use goto fail for error handling in imx_rpmsg_probe() to ensure proper cleanup of of_node references The v2 series is a rework of the previous "[PATCH] ASoC: imx-rpmsg: Fix ignore-suspend-widgets only applied to codec DAPM". Changes in v2: - Rework to use a unified core mechanism instead of machine driver specific code Chancel Liu (3): ASoC: dapm: Fix widget lookup with snd_soc_dapm_widget_name_cmp() ASoC: soc-core: Add core support for ignoring suspend on selected DAPM widgets ASoC: fsl: imx-rpmsg: Switch to core ignore-suspend-widgets support include/sound/soc-dapm.h | 1 + include/sound/soc.h | 5 +++++ sound/soc/fsl/imx-rpmsg.c | 26 ++++++++--------------- sound/soc/soc-core.c | 43 +++++++++++++++++++++++++++++++++++++++ sound/soc/soc-dapm.c | 43 ++++++++++++++++++++++++++++----------- 5 files changed, 89 insertions(+), 29 deletions(-) -- 2.50.1