47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From 497fd7b2a69a6542b456c7e38896602373594aea Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Wed, 23 Sep 2020 00:13:54 -0500
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Subject: [PATCH 111/351] arm64: dts: allwinner: pinephone: Enable internal
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HMIC bias
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Revisions 1.0 and 1.1 of the PinePhone mainboard do not have an external
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resistor connecting HBIAS to MIC2. Enable the internal resistor to
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provide the appropriate mic bias.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 ++++
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arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 4 ++++
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2 files changed, 8 insertions(+)
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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
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index 78a84833e36a..2df062a4814e 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
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@@ -114,3 +114,7 @@ &sgm3140 {
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flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
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enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
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};
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+
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+&codec_analog {
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+ allwinner,internal-bias-resistor;
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+};
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
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index 06b9612f0d08..c29c4c84a853 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
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@@ -43,6 +43,10 @@ &backlight {
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default-brightness-level = <400>;
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};
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+&codec_analog {
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+ allwinner,internal-bias-resistor;
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+};
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+
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&i2c0 {
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hdmi-bridge@28 {
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compatible = "analogix,anx7688";
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--
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2.34.0
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