From a417899951a76cfb2eed285a722c5fe4470ae2e0 Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Wed, 23 Sep 2020 00:13:54 -0500 Subject: [PATCH 177/484] 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 --- 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 @@ enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */ flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ }; + +&codec_analog { + allwinner,internal-bias-resistor; +}; -- 2.49.0