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Mon, 15 Apr 2024 15:06:52 +0800 From: Seven Lee To: CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 1/3] ASoC: dt-bindings: nau8821: Add delay control for ADC Date: Mon, 15 Apr 2024 15:06:47 +0800 Message-ID: <20240415070649.3496487-2-wtli@nuvoton.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240415070649.3496487-1-wtli@nuvoton.com> References: <20240415070649.3496487-1-wtli@nuvoton.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NotSetDelaration: True X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HK3PEPF0000021F:EE_|JH0PR03MB7596:EE_ X-MS-Office365-Filtering-Correlation-Id: 0ae6adfd-9664-404e-d327-08dc5d1aa2f3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:175.98.123.7;CTRY:TW;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:NTHCCAS02.nuvoton.com;PTR:175-98-123-7.static.tfn.net.tw;CAT:NONE;SFS:(13230031)(376005)(1800799015)(36860700004)(82310400014)(7416005);DIR:OUT;SFP:1101; X-OriginatorOrg: nuvoton.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Apr 2024 07:06:56.3720 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0ae6adfd-9664-404e-d327-08dc5d1aa2f3 X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[175.98.123.7];Helo=[NTHCCAS02.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: HK3PEPF0000021F.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: JH0PR03MB7596 Change the original fixed delay to the assignment from the property. It will make it more flexible to different platforms to avoid pop noise at the beginning of recording. Signed-off-by: Seven Lee Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/sound/nuvoton,nau8821.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml index 054b53954ac3..9f44168efb3e 100644 --- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml @@ -103,6 +103,12 @@ properties: just limited to the left adc for design demand. type: boolean + nuvoton,adc-delay-ms: + description: Delay (in ms) to make input path stable and avoid pop noise. + minimum: 125 + maximum: 500 + default: 125 + '#sound-dai-cells': const: 0 @@ -136,6 +142,7 @@ examples: nuvoton,jack-eject-debounce = <0>; nuvoton,dmic-clk-threshold = <3072000>; nuvoton,dmic-slew-rate = <0>; + nuvoton,adc-delay-ms = <125>; #sound-dai-cells = <0>; }; };