ASoC: msm8226: Enable Lineout1/2 for speaker on SKUF
Speakers on SKUF need Lineout1/2 and external PAs supply.
External PAs are controlled by PMIC GPIO 2. Enable supply
only when playback is active on speaker. Supply is
enabled/disabled by toggling the GPIO that controls the supply.
Change-Id: I6e506c9403bb3ef824a5fe5c1ebc04296755e730
Signed-off-by: mengw <mwang@codeaurora.org>
diff --git a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
index c799ffb..b618597 100644
--- a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
+++ b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
@@ -661,7 +661,9 @@
prim-gpio-tert : Primary AUXPCM shares GPIOs with Tertiary MI2S
Optional Properties:
-- qcom,us-euro-gpios : GPIO on which gnd/mic swap signal is coming.
+- qcom,cdc-us-euro-gpios : GPIO on which gnd/mic swap signal is coming.
+- qcom,cdc-lineout-spkr-gpios : GPIO which controls external PAs to enable Lineout1/2 speaker
+- qcom,cdc-vdd-spkr-gpios : GPIO which controls PA for VDD speaker
Example:
@@ -675,4 +677,6 @@
qcom,prim-auxpcm-gpio-dout = <&msmgpio 66 0>;
qcom,prim-auxpcm-gpio-set = "prim-gpio-prim";
qcom,cdc-us-euro-gpios = <&msmgpio 69 0>;
+ qcom,cdc-lineout-spkr-gpios = <&pm8226_gpios 2 0>;
+ qcom,cdc-vdd-spkr-gpios = <&pm8226_gpios 3 0>;
};