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Tue, 17 Feb 2026 16:26:45 -0600 Received: from [128.247.81.19] (uda0506412.dhcp.ti.com [128.247.81.19]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 61HMQi8F3573069; Tue, 17 Feb 2026 16:26:45 -0600 Message-ID: <52ff9d7c-7a62-46d0-a432-d51b29edc0d6@ti.com> Date: Tue, 17 Feb 2026 16:26:44 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ASoC: ti: davinci-mcasp: Add system suspend/resume support To: Sen Wang , , , , , , , CC: , , , References: <20260211221001.155843-1-sen@ti.com> Content-Language: en-US From: Kendall Willis In-Reply-To: <20260211221001.155843-1-sen@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF0001AE16:EE_|LVUPR10MB997810:EE_ X-MS-Office365-Filtering-Correlation-Id: 0619457f-acec-4ce9-46fe-08de6e73af11 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: +OW6vVPIdXpLSw6DmQGTu4fAyD5PNYByhPs4Z64spmag/UtSdgnh+RHhL1ZIdzZGsvWd54xtx/M+a82VHJpvA23TDqw6XdHN+Sz2FgPH50YhaVH2VpQGPWwaF5HY5gGeR6ErJgOwr6x2dXocwZhbOLbLmEulhSMTgALcJ2VS7sA3DAuv5WNbzaBMqzVZxyS9O+5gKLSS4t2+qSG13aedCQRqmLSnU8TeXb1gFbKSW0OYdueVrdYhEMsBWy62fZzOQJvwX/Q3mW9KBPcamvHJo5yPJSRM54jjz67FhvqsdpJedDADhbXwmdfXXkD8aaiEsTJ9zOWEXnbie8wKGAVCUfXSjP0eWvV7yY/p2kw/PBkND/Ivogns7+o7KrL1vHHaXhoV+LkJRbiHOoaggOa/9bXGkBBUHvaMBoq46O5beYWj4GOY6SZBsGtAc6qMMiRW X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Feb 2026 22:27:06.9275 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0619457f-acec-4ce9-46fe-08de6e73af11 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BY1PEPF0001AE16.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LVUPR10MB997810 On 2/11/26 16:10, Sen Wang wrote: > The McASP driver supports runtime PM callbacks for register save/restore > during device idle, but doesn't provide system suspend/resume callbacks. > This causes audio to fail to resume after system suspend. > > Since the driver already handles runtime suspend & resume, we can reuse > existing runtime PM logics. > > Signed-off-by: Sen Wang > --- > Tested on SK-AM62Px with audio playback during system suspend/resume cycles > > Testlog: > https://gist.github.com/SenWang125/065c2840071f2569a79db9e99010603f > > sound/soc/ti/davinci-mcasp.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c > index 8a2977093df1..643661ebee83 100644 > --- a/sound/soc/ti/davinci-mcasp.c > +++ b/sound/soc/ti/davinci-mcasp.c > @@ -2811,6 +2811,8 @@ static int davinci_mcasp_runtime_resume(struct device *dev) > #endif > > static const struct dev_pm_ops davinci_mcasp_pm_ops = { > + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, > + pm_runtime_force_resume) > SET_RUNTIME_PM_OPS(davinci_mcasp_runtime_suspend, > davinci_mcasp_runtime_resume, > NULL) Reviewed-by: Kendall Willis