From bc748508a1d2e3e44761ab80d372e623c2717272 Mon Sep 17 00:00:00 2001
From: Revathi Uddaraju <revathiu@codeaurora.org>
Date: Mon, 27 Jul 2020 11:48:41 +0530
Subject: [PATCH] pstar: add support for voip record low latency path

Add target specific changes to support voip using low latency record path.

[dianlujitao: WSA_CDC_DMA_RX_0 -> TERT_MI2S_RX for nio]

Change-Id: I459041bd11e868000c37565b8eb098ad514c37cb
---
 audio/audio_platform_info.xml |  1 +
 audio/mixer_paths.xml         | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/audio/audio_platform_info.xml b/audio/audio_platform_info.xml
index ee935ee..fb7edd3 100644
--- a/audio/audio_platform_info.xml
+++ b/audio/audio_platform_info.xml
@@ -55,6 +55,7 @@
         <usecase name="USECASE_AUDIO_PLAYBACK_AFE_PROXY" type="out" id="5"/>
         <usecase name="USECASE_AUDIO_RECORD_AFE_PROXY" type="in" id="6"/>
         <usecase name="USECASE_AUDIO_RECORD_LOW_LATENCY" type="in" id="13" />
+        <usecase name="USECASE_AUDIO_RECORD_VOIP_LOW_LATENCY" type="in" id="13" />
         <usecase name="USECASE_AUDIO_PLAYBACK_ULL" type="out" id="13" />
         <usecase name="USECASE_AUDIO_PLAYBACK_SILENCE" type="out" id="23" />
         <usecase name="USECASE_AUDIO_PLAYBACK_VOIP" type="out" id="12" />
diff --git a/audio/mixer_paths.xml b/audio/mixer_paths.xml
index ebb5583..5ae4444 100644
--- a/audio/mixer_paths.xml
+++ b/audio/mixer_paths.xml
@@ -465,6 +465,21 @@
         <path name="echo-reference bt-sco" />
     </path>
 
+    <path name="echo-reference-voip-low-latency">
+        <ctl name="AUDIO_REF_EC_UL8 MUX" value="TERT_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip-low-latency handset">
+        <ctl name="AUDIO_REF_EC_UL8 MUX" value="TERT_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="One"/>
+    </path>
+
+    <path name="echo-reference-voip-low-latency headphones">
+        <ctl name="AUDIO_REF_EC_UL8 MUX" value="TERT_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
     <path name="echo-reference-voip">
         <ctl name="AUDIO_REF_EC_UL10 MUX" value="TERT_MI2S_RX" />
         <ctl name="EC Reference Channels" value="One"/>
@@ -1703,6 +1718,10 @@
     </path>
 
     <!-- VoIP Tx settings -->
+    <path name="audio-record-voip-low-latency">
+        <ctl name="MultiMedia8 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
     <path name="audio-record-voip">
         <ctl name="MultiMedia10 Mixer TX_CDC_DMA_TX_3" value="1" />
     </path>