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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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: =?us-ascii?Q?wWOGbf+JYz3PbypDR6zZOzG0OXTREwm3yt78Njlortpik19e/XNBFC70G1GG?= =?us-ascii?Q?CrMLb/ZgriEQO3XbKyz56YhyW2hBRtF2qNCKuC2GzNW/b+6oqtjIWGsfnYym?= =?us-ascii?Q?MNc3CJLYkR5fO4oSHFce321Bl062tfT7ek8WrijosKLjBknkJkuPojwJcCfr?= =?us-ascii?Q?ScnbaFxu4Pm3HbscmuRnOBg6sGgaUD051fHgH7KaRAPw9Cv6QgDp4li8RAzS?= =?us-ascii?Q?2A+2glXCghsxXhGXEm3ZzzhcsoKVPH+vyADZVgG1VSavegL/tWm6CuiYLlVm?= =?us-ascii?Q?GcGhQTOH1kVom9sVrcos/4t/NcY1CyBI6ADX80mgEDe2xB+n2Rr+eJFK4ihc?= =?us-ascii?Q?7oUpi4qw9YQJa7S1ZaAYIF/Yo7p5XPHmdLtZ2ZnS/YXSrbRaGHU76hmEXSAP?= =?us-ascii?Q?T7kKhNu4jH1AgdyLT96XcQVQmwU1mQNXWh6fRkeHlooc58ITQmKDh+o0NSVk?= =?us-ascii?Q?mW+nDT49Q2JoSe21SjatYqKFUW67VOjKhgFHSjc6ReoJQ2MHmnH2CuUGjQbs?= =?us-ascii?Q?3AJpyBXi8/xpbgbTNf8rNAcTsyb8v0Iz7GucUCL3UTyl3spQ3FN+VEVYV6Nv?= =?us-ascii?Q?MrCjR1QG3yNMdSRJcVFxzB+g4d2GxglhQGw1aDnwGVBPumx3Uw9hHIAwbtZS?= =?us-ascii?Q?S1RXuBnXCYwEg2wLn+C8ZYylgB6+BSEVmaGlgocppTHavI8UaUHCoqDIUlq2?= =?us-ascii?Q?aIslreSC8kZQ1oNCVeAqvwGM+3OQ7gWNERyHOqvJYFPEQr+CrhezG8S6vSym?= =?us-ascii?Q?h0nXDIaVzrse6lxNaUxYTdUe2eeeA1fUFuDw/VRTa+51tNuARzi/6abS64m0?= =?us-ascii?Q?pxJ0sXtRCvBldhizJHFOmyWwrEeWFqHfWK2MYOzrOWu8mjZcU5qL5USkNMmH?= =?us-ascii?Q?f5cTUNVNVozvl2hR1YT0vyQPnbtDmjeefaPe6mjR/Za1N6R39xVBWrvmumh6?= =?us-ascii?Q?D0YzsiL788BRiuYc31YKDs5aE4WnFSh1YjMETaoO9DdukQEOtL8p3cwzDjs0?= =?us-ascii?Q?sI+uIDM54d17Hp/zTOsu6KhMMzIDEkJvRORDtRbgg7QDO/9aPyPon6GfVHAJ?= =?us-ascii?Q?51QdSfhKzZMbImeAtbg6lsPU0huOJc4s/8hOKyHDDq3L0WBeVqexTW2paSSR?= =?us-ascii?Q?WvUzawyUsEbqUZwYEewA57uT6/uSeamMeehtnqaGg96TlQfjHpSxpRwkRvlV?= =?us-ascii?Q?ig3OMvwXtA6I+f5Xfk783paUemomS9aFn4zowJZ/jC5s3QtotvHKJeaa0+DE?= =?us-ascii?Q?ahZsccHvW4gAsQuQnq3AjlC1DPXOLeU9bSOLGWOnsW7cGlB3XqP/SuDUldFI?= =?us-ascii?Q?NhEA1JbYeLmSjYh8uF5fo6CMMC5woiArFDCLja+mJj1betYre4wHrF9FQTz2?= =?us-ascii?Q?kV8QesY=3D?= 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 Content-Type: text/plain; charset="utf-8" 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 =20 + nuvoton,adc-delay-ms: + description: Delay (in ms) to make input path stable and avoid pop noi= se. + minimum: 125 + maximum: 500 + default: 125 + '#sound-dai-cells': const: 0 =20 @@ -136,6 +142,7 @@ examples: nuvoton,jack-eject-debounce =3D <0>; nuvoton,dmic-clk-threshold =3D <3072000>; nuvoton,dmic-slew-rate =3D <0>; + nuvoton,adc-delay-ms =3D <125>; #sound-dai-cells =3D <0>; }; }; --=20 2.25.1