[PATCH] arm64: dts: qcom: sdm845-oneplus-common: Configure MBHC thresholds

From: Cédric Bellegarde

Date: Tue Sep 22 2026 - 15:53:23 EST


Configure the Multi-Button Headset Control (MBHC) thresholds for the
WCD9340 audio codec to match the vendor downstream calibration.

Signed-off-by: Cédric Bellegarde <cedric.bellegarde@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 439779f308e3..8a99c3f55bf6 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -1099,6 +1099,10 @@ &wcd9340 {
vdd-tx-supply = <&vreg_s4a_1p8>;
vdd-rx-supply = <&vreg_s4a_1p8>;
vdd-io-supply = <&vreg_s4a_1p8>;
+ qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000
+ 500000 500000 500000 500000>;
+ qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
+ qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
};

&wifi {

---
base-commit: fe2ec83746e501645709761605c2464a44fd2929
change-id: 20260922-mbhc-342148b3fd5b

Best regards,
--
Cédric Bellegarde <cedric.bellegarde@xxxxxxxxxxxx>