linux-kernel - [PATCH v1 1/1] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: enable MICs LDO

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Message-ID: <20250411155852.4238-1-alex.vinarskis@gmail.com>
Date: Fri, 11 Apr 2025 17:54:21 +0200
From: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
To: Bjorn Andersson <andersson@...nel.org>,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Aleksandrs Vinarskis <alex.vinarskis@...il.com>
Subject: [PATCH v1 1/1] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: enable MICs LDO

Particular device comes without headset combo jack, hence does not
feature wcd codec IC. In such cases, DMICs are powered from vreg_l1b.
Set regulator as always-on to enable microphones.

Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
---
 arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index 35d97db9e1f6..4a35846b5947 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -269,6 +269,7 @@ vreg_l1b_1p8: ldo1 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
 		};
 
 		vreg_l2b_3p0: ldo2 {
-- 
2.45.2