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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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>; }; }; From patchwork Mon Apr 15 07:06:48 2024 Content-Type: text/plain; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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_widget *w, 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, 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 nau8821 *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); } static int nau8821_read_device_properties(struct device *dev, @@ -1742,6 +1743,12 @@ static int nau8821_read_device_properties(struct device *dev, &nau8821->dmic_slew_rate); if (ret) nau8821->dmic_slew_rate = 0; + ret = device_property_read_u32(dev, "nuvoton,adc-delay-ms", + &nau8821->adc_delay); + if (ret) + nau8821->adc_delay = 125; + if (nau8821->adc_delay < 125 || nau8821->adc_delay > 500) + dev_warn(dev, "Please set the suitable delay time!\n"); 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; }; int nau8821_enable_jack_detect(struct snd_soc_component *component, From patchwork Mon Apr 15 07:06:49 2024 Content-Type: text/plain; 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Mon, 15 Apr 2024 15:06:54 +0800 From: Seven Lee To: CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 3/3] ASoC: nau8821: Remove redundant ADC controls Date: Mon, 15 Apr 2024 15:06:49 +0800 Message-ID: <20240415070649.3496487-4-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> MIME-Version: 1.0 X-NotSetDelaration: True X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HK3PEPF0000021F:EE_|OSQPR03MB8528:EE_ X-MS-Office365-Filtering-Correlation-Id: 8f8e97de-5b17-4e49-2ba5-08dc5d1aa3cf 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; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Remove redundant left/right adc channel enable controls. Signed-off-by: Seven Lee --- sound/soc/codecs/nau8821.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/sound/soc/codecs/nau8821.c b/sound/soc/codecs/nau8821.c index fec669e00a10..6818bbd1d3c7 100644 --- a/sound/soc/codecs/nau8821.c +++ b/sound/soc/codecs/nau8821.c @@ -512,12 +512,8 @@ static int nau8821_left_adc_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_POST_PMU: msleep(nau8821->adc_delay); - regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL, - NAU8821_EN_ADCL, NAU8821_EN_ADCL); break; case SND_SOC_DAPM_POST_PMD: - regmap_update_bits(nau8821->regmap, - NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCL, 0); break; default: return -EINVAL; @@ -536,12 +532,8 @@ static int nau8821_right_adc_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_POST_PMU: msleep(nau8821->adc_delay); - regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL, - NAU8821_EN_ADCR, NAU8821_EN_ADCR); break; case SND_SOC_DAPM_POST_PMD: - regmap_update_bits(nau8821->regmap, - NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCR, 0); break; default: return -EINVAL;