ARM: dts: msm: afe loopback support for msm8952

Add support for capturing loopback data from
AFE_LOOPBACK_TX port.

Change-Id: I56a2d09510d595c24645b668aad077458590aed7
Signed-off-by: Md Mansoor Ahmed <mansoor@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/msm-audio-lpass.dtsi b/arch/arm64/boot/dts/qcom/msm-audio-lpass.dtsi
index b20feef8..4606956 100644
--- a/arch/arm64/boot/dts/qcom/msm-audio-lpass.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm-audio-lpass.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -262,6 +262,11 @@
 			qcom,msm-dai-q6-dev-id = <240>;
 		};
 
+		afe_loopback_tx: qcom,msm-dai-q6-afe-loopback-tx {
+			compatible = "qcom,msm-dai-q6-dev";
+			qcom,msm-dai-q6-dev-id = <24577>;
+		};
+
 		incall_record_rx: qcom,msm-dai-q6-incall-record-rx {
 			compatible = "qcom,msm-dai-q6-dev";
 			qcom,msm-dai-q6-dev-id = <32771>;