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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2021 19:19:20.8773 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8f6103b7-5b02-4e2c-e700-08d8e3f96856 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.34];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT048.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4186 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On 3/10/2021 11:44 PM, Michael Walle wrote: > Btw I'm pretty sure, the MCLK was enabled and disabled depending on > whether there was an audio stream, the last time I've measured the > clock. This may be true in your case because wm8904 driver does an explicit clock enable/disable and does not rely on simple-card-utils for this. In my case it depends on simple-card-utils. 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alsa-project.org; dkim=none (message not signed) header.d=none;alsa-project.org; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.34 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.34; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.34) by DM6NAM11FT048.mail.protection.outlook.com (10.13.173.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.3912.17 via Frontend Transport; Wed, 10 Mar 2021 19:19:20 +0000 Received: from [10.25.96.88] (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 10 Mar 2021 19:19:13 +0000 Subject: Re: [PATCH 1/3] ASoC: simple-card-utils: Fix device module clock To: Michael Walle , References: <1612939421-19900-2-git-send-email-spujar@nvidia.com> <20210309144156.18887-1-michael@walle.cc> <611ed3362dee3b3b7c7a80edfe763fd0@walle.cc> <6e6b312eb91b8b86ceaa8a52311ea437@walle.cc> From: Sameer Pujar Message-ID: Date: Thu, 11 Mar 2021 00:49:07 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid03.nvidia.com; CAT:NONE; SFS:(4636009)(39860400002)(376002)(346002)(136003)(396003)(36840700001)(46966006)(6666004)(426003)(356005)(5660300002)(34070700002)(31696002)(36756003)(8936002)(31686004)(7636003)(36860700001)(4744005)(336012)(316002)(82740400003)(36906005)(86362001)(4326008)(70586007)(8676002)(47076005)(16526019)(70206006)(83380400001)(2616005)(54906003)(186003)(82310400003)(26005)(2906002)(53546011)(478600001)(16576012)(110136005)(43740500002); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2021 19:19:20.8773 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8f6103b7-5b02-4e2c-e700-08d8e3f96856 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT048.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4186 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, kuninori.morimoto.gx@renesas.com, robh@kernel.org, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, sharadg@nvidia.com, thierry.reding@gmail.com, linux-tegra@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 3/10/2021 11:44 PM, Michael Walle wrote: > Btw I'm pretty sure, the MCLK was enabled and disabled depending on > whether there was an audio stream, the last time I've measured the > clock. This may be true in your case because wm8904 driver does an explicit clock enable/disable and does not rely on simple-card-utils for this. In my case it depends on simple-card-utils.