[PATCH] arm64: dts: rockchip: enable hdmi audio out for rk3399-rockpro64

[Katsuhiro Suzuki]

The rockpro64 has hdmi support. So this patch enables hdmi audio
feature that is defined in rk3399 devicetree.

Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 1f2394e0587d..cae7d4d01e0c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -215,6 +215,10 @@
 	status = "okay";
 };
 
+&hdmi_sound {
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c3>;
 	pinctrl-names = "default";
-- 
2.20.1