[PATCH 6/6] ARM: dts: samsung: exynos4212-tab3: Drop dummy mic bias regulators

From: Artur Weber
Date: Tue Jul 16 2024 - 15:39:07 EST


Add the samsung,tab3-audio compatible that makes mic bias regulators
non-required, and drop the dummy main/sub mic bias regulators that
don't exist in hardware.

Signed-off-by: Artur Weber <aweber.kernel@xxxxxxxxx>
---
arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
index 2f39f3c0661e..a140f86d399b 100644
--- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
@@ -286,20 +286,6 @@ display_3v3_supply: voltage-regulator-3 {
enable-active-high;
};

- mic_bias_reg: voltage-regulator-4 {
- compatible = "regulator-fixed";
- regulator-name = "MICBIAS_LDO_2.8V";
- regulator-min-microvolt = <2800000>;
- regulator-max-microvolt = <2800000>;
- };
-
- submic_bias_reg: voltage-regulator-5 {
- compatible = "regulator-fixed";
- regulator-name = "SUB_MICBIAS_LDO_2.8V";
- regulator-min-microvolt = <2800000>;
- regulator-max-microvolt = <2800000>;
- };
-
earmic_bias_reg: voltage-regulator-6 {
compatible = "regulator-fixed";
regulator-name = "EAR_MICBIAS_LDO_2.8V";
@@ -310,14 +296,12 @@ earmic_bias_reg: voltage-regulator-6 {
};

sound: sound {
- compatible = "samsung,midas-audio";
+ compatible = "samsung,tab3-audio", "samsung,midas-audio";
model = "TAB3";
- mic-bias-supply = <&mic_bias_reg>;
- submic-bias-supply = <&submic_bias_reg>;
- headset-mic-bias-supply = <&earmic_bias_reg>;

lineout-sel-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>;

+ headset-mic-bias-supply = <&earmic_bias_reg>;
headset-detect-gpios = <&gpx0 4 GPIO_ACTIVE_LOW>;
headset-key-gpios = <&gpx3 6 GPIO_ACTIVE_LOW>;
samsung,headset-4pole-threshold-microvolt = <710 2000>;

--
2.45.2