SBC_builder/patch/kernel/sunxi-6.16/patches.megous/arm64-dts-sun50i-a64-pinephone-Enable-internal-HMIC-bias.patch
2025-08-27 10:16:25 +02:00

30 lines
1.1 KiB
Diff

From d0a9f2f8c0fb354e2f13c21a6233307e5f7d1762 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel@sholland.org>
Date: Wed, 23 Sep 2020 00:13:54 -0500
Subject: arm64: dts: sun50i-a64-pinephone: Enable internal HMIC bias
Revisions 1.0 and 1.1 of the PinePhone mainboard do not have an external
resistor connecting HBIAS to MIC2. Enable the internal resistor to
provide the appropriate mic bias.
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
index ff01e2be26e7..8f6ea6b06aa9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
@@ -126,3 +126,7 @@ &sgm3140 {
enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
};
+
+&codec_analog {
+ allwinner,internal-bias-resistor;
+};
--
2.35.3