The internal microphone source is needed in order to be able to describe the hardware audio routing for devices that have the built-in microphone in addition to the external Mic Jack. Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> --- .../devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt index b795d282818d..a8f2b0c56c79 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt @@ -18,6 +18,7 @@ Required properties: * Headphone Jack * Int Spk * Mic Jack + * Int Mic - nvidia,i2s-controller : The phandle of the Tegra I2S1 controller - nvidia,audio-codec : The phandle of the WM8903 audio codec -- 2.25.1