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Tue, 17 Mar 2026 02:49:21 -0700 From: Sheetal To: Mark Brown , Kuninori Morimoto , Jaroslav Kysela , "Takashi Iwai" , Liam Girdwood , Thierry Reding , Jonathan Hunter CC: Mohan Kumar , , , , Sheetal Subject: [PATCH 0/2] ASoC: Add flag to ignore 0Hz sysclk requests Date: Tue, 17 Mar 2026 09:49:08 +0000 Message-ID: <20260317094910.1582011-1-sheetal@nvidia.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0DE:EE_|DM4PR12MB6009:EE_ X-MS-Office365-Filtering-Correlation-Id: 397f1b4f-6ef6-4a94-93df-08de840a8087 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|376014|1800799024|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(82310400026)(376014)(1800799024)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 5so5PST6/yR4qs8qn/MU5RIj03chqqXIB3MOVDXWUpFwP+5TI0CDY9JoH8rmbem0GEVXfJp7mIhR23OJOcrka8I7kY3MHUBsoS71Mg3dPSnJNC+yZKgHrbXQ81KwFfoudQ2HR5IdXEf0RCLBby3AIFGYS2h5eOiJP/4z0t8BnBEzM3J/k+hjf+66ks61yHRC3MN59IgdoJfpuJHFn+2kPsvWT0UPM1mxTxZ8eMPiTH76GQY+rxqG6vWsxsFJi6Ln02kfYeITRfesiGm0jxLbl4IMdX3NshwgxJx8DTZMmpZMy8rmVLCfz4Ql38r3SlvnfiRJmihyOM0ZTFRvGfb7Fjmj1vmIhFqCE+t5hdTAvY6qLFwXaZYel4mNhTg6jRD3YoS/a3dfroaBcC9OTtQyF9bBGvtxg6Z8Zo45WeSWHRq0rg1bNKcTQPNLluvtVv0D X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Mar 2026 09:49:37.2215 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 397f1b4f-6ef6-4a94-93df-08de840a8087 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0DE.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6009 Commit 2458adb8f92a ("SoC: simple-card-utils: set 0Hz to sysclk when shutdown") introduced 0Hz sysclk requests during stream shutdown. On Tegra platforms, clocks such as AUD_MCLK have a minimum allowed frequency, so passing 0Hz results in Boot and Power Management Processor (BPMP) clock controller errors. This series adds an ignore_zero_sysclk flag to simple-card-utils so that platform drivers can opt out of these 0Hz requests, and enables it for the Tegra audio graph card. Sheetal (2): ASoC: simple-card-utils: add ignore_zero_sysclk flag ASoC: tegra: enable ignore_zero_sysclk for Tegra include/sound/simple_card_utils.h | 1 + sound/soc/generic/simple-card-utils.c | 6 ++++-- sound/soc/tegra/tegra_audio_graph_card.c | 1 + 3 files changed, 6 insertions(+), 2 deletions(-) -- 2.17.1