31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From a60c88acaca34466f740df5302ef454322cebf09 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 096/389] arm64: dts: sun50i-a64-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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1 file changed, 4 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 ff01e2be26e7..8f6ea6b06aa9 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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@@ -126,3 +126,7 @@ &sgm3140 {
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enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
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flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
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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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--
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2.35.3
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