[PATCH v1 1/2] dt-bindings: sound: tegra-wm8903: Document built-in microphone audio source

[Dmitry Osipenko]

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 at gmail.com>
---
 .../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