diff mbox series

[3/3] arm64: dts: allwinner: pinephone: Enable internal HMIC bias

Message ID 20220616062554.57266-4-samuel@sholland.org (mailing list archive)
State Superseded
Headers show
Series ASoC: sun50i-codec-analog: Internal bias support | expand

Commit Message

Samuel Holland June 16, 2022, 6:25 a.m. UTC
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 mbox series

Patch

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 */