Revisions 1.0 and 1.1 of the PinePhone mainboard do not have an external resistor connecting HBIAS to MIC2P. Enable the internal resistor to provide the necessary headeset microphone bias.
Signed-off-by: Samuel Holland samuel@sholland.org ---
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 ++++ arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 4 ++++ 2 files changed, 8 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 fb65319a3bd3..219f720b8b7d 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 @@ -10,6 +10,10 @@ / { compatible = "pine64,pinephone-1.0", "pine64,pinephone", "allwinner,sun50i-a64"; };
+&codec_analog { + allwinner,internal-bias-resistor; +}; + &sgm3140 { enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */ flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ 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 index 5e59d3752178..723af64a9cee 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts @@ -29,6 +29,10 @@ &backlight { default-brightness-level = <400>; };
+&codec_analog { + allwinner,internal-bias-resistor; +}; + &sgm3140 { enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */