diff mbox series

[v2,8/8] arm64: dts: mediatek: mt8390-genio-common: Add delay codec for DMIC

Message ID 20250225-genio700-dmic-v2-8-3076f5b50ef7@collabora.com (mailing list archive)
State New
Headers show
Series Enable DMIC for Genio 700/510 EVK | expand

Commit Message

Nícolas F. R. A. Prado Feb. 25, 2025, 2:33 p.m. UTC 
The signal from the dual digital microphones connected to the DMIC_BE
takes 30ms to settle after being enabled. Add a dmic-codec with
corresponding wakeup-delay-ms to prevent an initial "pop" sound when
recording with the microphones.

Co-developed-by: Zoran Zhan <zoran.zhan@mediatek.com>
Signed-off-by: Zoran Zhan <zoran.zhan@mediatek.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Comments

AngeloGioacchino Del Regno Feb. 25, 2025, 2:41 p.m. UTC | #1 
Il 25/02/25 15:33, Nícolas F. R. A. Prado ha scritto:
> The signal from the dual digital microphones connected to the DMIC_BE
> takes 30ms to settle after being enabled. Add a dmic-codec with
> corresponding wakeup-delay-ms to prevent an initial "pop" sound when
> recording with the microphones.
> 
> Co-developed-by: Zoran Zhan <zoran.zhan@mediatek.com>
> Signed-off-by: Zoran Zhan <zoran.zhan@mediatek.com>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index efdeca88b8c4e58f0c17825156276babf19af145..6aa59acd77c245e5fcf7044859a5985f503daeb3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -218,6 +218,13 @@  usb_p2_vbus: regulator-9 {
 		regulator-max-microvolt = <5000000>;
 		enable-active-high;
 	};
+
+	dmic_codec: dmic-codec {
+		#sound-dai-cells = <0>;
+		compatible = "dmic-codec";
+		num-channels = <2>;
+		wakeup-delay-ms = <30>;
+	};
 };
 
 &adsp {
@@ -974,6 +981,14 @@  codec {
 			sound-dai = <&pmic 0>;
 		};
 	};
+
+	dai-link-1 {
+		link-name = "DMIC_BE";
+
+		codec {
+			sound-dai = <&dmic_codec>;
+		};
+	};
 };
 
 &spi2 {