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Mon, 15 Apr 2024 15:06:53 +0800 From: Seven Lee To: CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 2/3] ASoC: nau8821: Add delay control for ADC Date: Mon, 15 Apr 2024 15:06:48 +0800 Message-ID: <20240415070649.3496487-3-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: HK3PEPF00000220:EE_|SI2PR03MB6485:EE_ X-MS-Office365-Filtering-Correlation-Id: e0cb4708-8773-4c74-3e90-08dc5d1aa3a6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?kt/djPQpe1N09DnUuhfeNYpGCtOGbywi8iVs83rxjmRfespS+GBiCS5LZgtH?= =?us-ascii?Q?lHhSghVk7iMvDVyzrKW3MookP+gQ+U77n+AZtvVklsBVRwpY0GshPmIR6GPj?= =?us-ascii?Q?ux2wU00ynLieq1dYP/0aru4gvKUU2XSn5Fzldgv7QtoAla95bllUC75TOVpQ?= =?us-ascii?Q?ykMo0F0s9dh3ITTMhwopGmQ9XOUPhk1qvN5UkaeTPkdqbrUkRy8onxflGgUM?= =?us-ascii?Q?d8/kTk60+B5jpgF4aDzluVQvbh9P+woUO/XBIKArV6J+0fmnpetQ01CaIFzv?= =?us-ascii?Q?vI1rTcZ+sUx3mfZIGEqa76TmNZQOWiZ1UoHhACIT7XGxHLeGqjOhONj3545s?= =?us-ascii?Q?+bpvMYIsdkT4I+GGWcB+qgVGi2nwpEnCHQ5qpS6z4kdXZDhHjHc2lrydbyjW?= =?us-ascii?Q?cXD8L4YrFC0rO498eOtm0clPKR5YQ73ng2mvySMAF5n32Q9T9rBjIzT28eHB?= =?us-ascii?Q?M81lx1YTXrb+eTvSDdffekLZG+1zfWOv+sMVT1qjhqkQwoqs8nk6hL/Z62x8?= =?us-ascii?Q?j/L3dOZ6EGh0s1/Xaxo+Oy5hcDaZy91cCas0IUtIMkxV8lr7ImPEI+hETHDv?= =?us-ascii?Q?VhUAxOHpW04aoCsY2RwifbkO8zl4ofP/47F9VlcAvtU6S6dgTXd16TsPeLPg?= =?us-ascii?Q?Zqx8YkZHBs7Vaz5TFcYI5oqtni3jGf3GvER0QbhUkXu4Q7W9MiYwwT5sWcfp?= =?us-ascii?Q?e/b/KeLItXyw9GWDNm1B1bI7ugpDdM2FZElv7z66ncDq7P6KHRWVIpQa7KgA?= =?us-ascii?Q?obLuzIv928ig2xFMkQ/hy5MHPnPAj/jPJ5LEKjlrwQv5pgu/AiRgintYMbPG?= =?us-ascii?Q?QhFwD1yVJNM4kNd+jZghB2zsJrk+cn/ty93A6KgU1ZUddOJEcqXk8pxqmnh2?= =?us-ascii?Q?Apx7yj9iqF1kpMKGkrJGq/0lxNI2zwFPziCfejtYDFgO496FCBaIkEUaOtZ2?= =?us-ascii?Q?DSchHLKYiC7MlfK/NkRAVzE9ICYRP324eH+iF4bdWPv1xFZMjvc1HYK3+p5z?= =?us-ascii?Q?ywMKsctpdq5bkT4UbW/hfbjBXmIkVn0EprnztIArhktE0xKAdRTxJ0E3Dkk0?= =?us-ascii?Q?SPPOsbYIwh16MY7JR0pwseTZBIN4EiWJrW8sEOih4v5WbzYF7Km262A2Q0hO?= =?us-ascii?Q?c+RR0QDcLdYBUGBhwT0R0xfGZoja/iIJ8dCIM5qWqh+k/ZVHZ292Q1LW1VFG?= =?us-ascii?Q?JjJOcMkm6kOxjiuWqA5gdCfYGodaDcLVbpD9pTHnaGhrPOENGa9N3YqgkpTN?= =?us-ascii?Q?B+/gFNJhzWLOOBa+F0Byx2feETJZ20aZoHQARr1fIbvLuAqGBGGvEzIdi0Pw?= =?us-ascii?Q?m2j7Gb2q7tig3Zp9cmkmGqC8K15pARvGDtDwcXvBLWs9CuiSpVkCoMasDVF0?= =?us-ascii?Q?LOkrmwA=3D?= X-Forefront-Antispam-Report: CIP:211.75.126.7;CTRY:TW;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:NTHCCAS01.nuvoton.com;PTR:211-75-126-7.hinet-ip.hinet.net;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 07:06:57.5413 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e0cb4708-8773-4c74-3e90-08dc5d1aa3a6 X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[211.75.126.7];Helo=[NTHCCAS01.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: HK3PEPF00000220.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SI2PR03MB6485 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 --- sound/soc/codecs/nau8821.c | 11 +++++++++-- sound/soc/codecs/nau8821.h | 1 + 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/nau8821.c b/sound/soc/codecs/nau8821.c index 012e347e6391..fec669e00a10 100644 --- a/sound/soc/codecs/nau8821.c +++ b/sound/soc/codecs/nau8821.c @@ -511,7 +511,7 @@ static int nau8821_left_adc_event(struct snd_soc_dapm_w= idget *w, =20 switch (event) { case SND_SOC_DAPM_POST_PMU: - msleep(125); + msleep(nau8821->adc_delay); regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCL, NAU8821_EN_ADCL); break; @@ -535,7 +535,7 @@ static int nau8821_right_adc_event(struct snd_soc_dapm_= widget *w, =20 switch (event) { case SND_SOC_DAPM_POST_PMU: - msleep(125); + msleep(nau8821->adc_delay); regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCR, NAU8821_EN_ADCR); break; @@ -1697,6 +1697,7 @@ static void nau8821_print_device_properties(struct na= u8821 *nau8821) dev_dbg(dev, "dmic-clk-threshold: %d\n", nau8821->dmic_clk_threshold); dev_dbg(dev, "key_enable: %d\n", nau8821->key_enable); + dev_dbg(dev, "adc-delay-ms: %d\n", nau8821->adc_delay); } =20 static int nau8821_read_device_properties(struct device *dev, @@ -1742,6 +1743,12 @@ static int nau8821_read_device_properties(struct dev= ice *dev, &nau8821->dmic_slew_rate); if (ret) nau8821->dmic_slew_rate =3D 0; + ret =3D device_property_read_u32(dev, "nuvoton,adc-delay-ms", + &nau8821->adc_delay); + if (ret) + nau8821->adc_delay =3D 125; + if (nau8821->adc_delay < 125 || nau8821->adc_delay > 500) + dev_warn(dev, "Please set the suitable delay time!\n"); =20 return 0; } diff --git a/sound/soc/codecs/nau8821.h b/sound/soc/codecs/nau8821.h index 62eaad130b2e..f0935ffafcbe 100644 --- a/sound/soc/codecs/nau8821.h +++ b/sound/soc/codecs/nau8821.h @@ -577,6 +577,7 @@ struct nau8821 { int dmic_clk_threshold; int dmic_slew_rate; int key_enable; + int adc_delay; }; =20 int nau8821_enable_jack_detect(struct snd_soc_component *component, --=20 2.25.1