From b4a237d25b94da596769bf1669e8e8017a0d2145 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

