linux-kernel - [PATCH 4/8] arm64: dts: qcom: msm8916: Disable audio codecs by default

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Date:   Wed, 17 May 2023 20:48:43 +0200
From:   Stephan Gerhold <stephan@...hold.net>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Stephan Gerhold <stephan@...hold.net>
Subject: [PATCH 4/8] arm64: dts: qcom: msm8916: Disable audio codecs by
 default

Not every device has something connected to the digital audio codec
in MSM8916 and/or the analog audio codec in PM8916. Disable those by
default so the hardware is only powered up when necessary.

Signed-off-by: Stephan Gerhold <stephan@...hold.net>
---
 arch/arm64/boot/dts/qcom/apq8016-sbc.dts       | 5 +++++
 arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts | 5 +++++
 arch/arm64/boot/dts/qcom/msm8916.dtsi          | 1 +
 arch/arm64/boot/dts/qcom/pm8916.dtsi           | 1 +
 4 files changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
index 3ec449f5cab7..7d7af6406c39 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
@@ -310,6 +310,10 @@ &lpass {
 	status = "okay";
 };
 
+&lpass_codec {
+	status = "okay";
+};
+
 &mdss {
 	status = "okay";
 };
@@ -399,6 +403,7 @@ &usb_hs_phy {
 };
 
 &wcd_codec {
+	status = "okay";
 	clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
 	clock-names = "mclk";
 	qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
diff --git a/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts b/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
index baa7bb86cdd5..8197710372ad 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
@@ -218,6 +218,10 @@ &lpass {
 	status = "okay";
 };
 
+&lpass_codec {
+	status = "okay";
+};
+
 &pm8916_resin {
 	status = "okay";
 	linux,code = <KEY_VOLUMEDOWN>;
@@ -302,6 +306,7 @@ &usb_hs_phy {
 };
 
 &wcd_codec {
+	status = "okay";
 	qcom,micbias-lvl = <2800>;
 	qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
 	qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 7e0fa37a3adf..d5081a356288 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -1551,6 +1551,7 @@ lpass_codec: audio-codec@...c000 {
 				 <&gcc GCC_CODEC_DIGCODEC_CLK>;
 			clock-names = "ahbix-clk", "mclk";
 			#sound-dai-cells = <1>;
+			status = "disabled";
 		};
 
 		sdhc_1: mmc@...4000 {
diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi b/arch/arm64/boot/dts/qcom/pm8916.dtsi
index f4fb1a92ab55..33ca1002fb75 100644
--- a/arch/arm64/boot/dts/qcom/pm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi
@@ -178,6 +178,7 @@ wcd_codec: audio-codec@...0 {
 			vdd-cdc-tx-rx-cx-supply = <&pm8916_l5>;
 			vdd-micbias-supply = <&pm8916_l13>;
 			#sound-dai-cells = <1>;
+			status = "disabled";
 		};
 	};
 };

-- 
2.40.1