diff --git a/configs/msmsteppe_au/audio_platform_info.xml b/configs/msmsteppe_au/audio_platform_info.xml
index a33ae3f..e90675c 100644
--- a/configs/msmsteppe_au/audio_platform_info.xml
+++ b/configs/msmsteppe_au/audio_platform_info.xml
@@ -30,6 +30,10 @@
         <device name="SND_DEVICE_OUT_HANDSET" acdb_id="78"/>
         <device name="SND_DEVICE_OUT_SPEAKER" acdb_id="78"/>
         <device name="SND_DEVICE_OUT_HEADPHONES" acdb_id="78"/>
+        <device name="SND_DEVICE_OUT_BUS_MEDIA" acdb_id="78"/>
+        <device name="SND_DEVICE_OUT_BUS_SYS" acdb_id="78"/>
+        <device name="SND_DEVICE_OUT_BUS_NAV" acdb_id="14"/>
+        <device name="SND_DEVICE_OUT_BUS_PHN" acdb_id="94"/>
         <device name="SND_DEVICE_OUT_BT_SCO" acdb_id="94"/>
         <device name="SND_DEVICE_OUT_BT_SCO_WB" acdb_id="94"/>
         <device name="SND_DEVICE_OUT_BT_A2DP" acdb_id="78"/>
@@ -37,6 +41,7 @@
         <device name="SND_DEVICE_OUT_VOICE_SPEAKER" acdb_id="94"/>
         <device name="SND_DEVICE_IN_HANDSET_MIC" acdb_id="11"/>
         <device name="SND_DEVICE_IN_SPEAKER_MIC" acdb_id="11"/>
+        <device name="SND_DEVICE_IN_BUS" acdb_id="11"/>
         <device name="SND_DEVICE_IN_HEADSET_MIC" acdb_id="11"/>
         <device name="SND_DEVICE_IN_VOICE_SPEAKER_MIC" acdb_id="95"/>
         <device name="SND_DEVICE_IN_VOICE_HEADSET_MIC" acdb_id="95"/>
diff --git a/configs/msmsteppe_au/audio_policy_configuration.xml b/configs/msmsteppe_au/audio_policy_configuration.xml
index 4d9340d..6ab75d8 100644
--- a/configs/msmsteppe_au/audio_policy_configuration.xml
+++ b/configs/msmsteppe_au/audio_policy_configuration.xml
@@ -33,6 +33,11 @@
         “devicePorts”: a list of device descriptors for all input and output devices accessible via this
         module.
         This contains both permanently attached devices and removable devices.
+            "gain": constraints applied to the millibel values:
+                - maxValueMB >= minValueMB
+                - defaultValueMB >= minValueMB && defaultValueMB <= maxValueMB
+                - (maxValueMB - minValueMB) % stepValueMB == 0
+                - (defaultValueMB - minValueMB) % stepValueMB == 0
         “mixPorts”: listing all output and input streams exposed by the audio HAL
         “routes”: list of possible connections between input and output devices or between stream and
         devices.
@@ -47,18 +52,37 @@
     -->
     <modules>
         <!-- Primary Audio HAL -->
-        <module name="primary" halVersion="2.0">
+        <module name="primary" halVersion="3.0">
             <attachedDevices>
-                <item>Earpiece</item>
-                <item>Speaker</item>
+                <item>Media Bus</item>
+                <item>Sys Notification Bus</item>
+                <item>Nav Guidance Bus</item>
+                <item>Phone Bus</item>
                 <item>Telephony Tx</item>
                 <item>Built-In Mic</item>
                 <item>Built-In Back Mic</item>
                 <item>FM Tuner</item>
                 <item>Telephony Rx</item>
             </attachedDevices>
-            <defaultOutputDevice>Speaker</defaultOutputDevice>
+            <defaultOutputDevice>Media Bus</defaultOutputDevice>
             <mixPorts>
+                <mixPort name="media" role="source"
+                         flags="AUDIO_OUTPUT_FLAG_PRIMARY">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="sys_notification" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="nav_guidance" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="phone" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
                 <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_FAST|AUDIO_OUTPUT_FLAG_PRIMARY">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
@@ -203,6 +227,42 @@
 
             <devicePorts>
                 <!-- Output devices declaration, i.e. Sink DEVICE PORT -->
+                <devicePort tagName="Media Bus" role="sink" type="AUDIO_DEVICE_OUT_BUS"
+                        address="BUS00_MEDIA">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                    <gains>
+                        <gain name="" mode="AUDIO_GAIN_MODE_JOINT"
+                                minValueMB="-6000" maxValueMB="600" defaultValueMB="0" stepValueMB="100"/>
+                    </gains>
+                </devicePort>
+                <devicePort tagName="Sys Notification Bus" role="sink" type="AUDIO_DEVICE_OUT_BUS"
+                        address="BUS01_SYS_NOTIFICATION">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                    <gains>
+                        <gain name="" mode="AUDIO_GAIN_MODE_JOINT"
+                                minValueMB="-6000" maxValueMB="600" defaultValueMB="0" stepValueMB="100"/>
+                    </gains>
+                </devicePort>
+                <devicePort tagName="Nav Guidance Bus" role="sink" type="AUDIO_DEVICE_OUT_BUS"
+                        address="BUS02_NAV_GUIDANCE">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                    <gains>
+                        <gain name="" mode="AUDIO_GAIN_MODE_JOINT"
+                                minValueMB="-6000" maxValueMB="600" defaultValueMB="0" stepValueMB="100"/>
+                    </gains>
+                </devicePort>
+                <devicePort tagName="Phone Bus" role="sink" type="AUDIO_DEVICE_OUT_BUS"
+                        address="BUS03_PHONE">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                    <gains>
+                        <gain name="" mode="AUDIO_GAIN_MODE_JOINT"
+                                minValueMB="-6000" maxValueMB="600" defaultValueMB="0" stepValueMB="100"/>
+                    </gains>
+                </devicePort>
                 <devicePort tagName="Earpiece" type="AUDIO_DEVICE_OUT_EARPIECE" role="sink">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
@@ -301,6 +361,14 @@
             </devicePorts>
             <!-- route declaration, i.e. list all available sources for a given sink -->
             <routes>
+                <route type="mix" sink="Media Bus"
+                       sources="media,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                <route type="mix" sink="Sys Notification Bus"
+                       sources="sys_notification"/>
+                <route type="mix" sink="Nav Guidance Bus"
+                       sources="nav_guidance"/>
+                <route type="mix" sink="Phone Bus"
+                       sources="phone"/>
                 <route type="mix" sink="Earpiece"
                        sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Speaker"
diff --git a/configs/msmsteppe_au/mixer_paths_adp.xml b/configs/msmsteppe_au/mixer_paths_adp.xml
index 4ac4798..75ce9c5 100644
--- a/configs/msmsteppe_au/mixer_paths_adp.xml
+++ b/configs/msmsteppe_au/mixer_paths_adp.xml
@@ -1140,6 +1140,27 @@
         <path name="compress-offload-playback9" />
     </path>
 
+    <!-- The following use cases are used for car streams  -->
+    <path name="media-playback">
+        <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia1" value="1" />
+    </path>
+
+    <path name="sys-notification-playback">
+        <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia5" value="1" />
+    </path>
+
+    <path name="nav-guidance-playback">
+        <ctl name="TERT_TDM_RX_1 Channels" value="One" />
+        <ctl name="TERT_TDM_RX_1 Audio Mixer MultiMedia2" value="1" />
+    </path>
+
+    <path name="phone-playback">
+        <ctl name="TERT_TDM_RX_2 Channels" value="One" />
+        <ctl name="TERT_TDM_RX_2 Audio Mixer MultiMedia10" value="1" />
+    </path>
+
     <path name="audio-record">
         <ctl name="TERT_TDM_TX_0 Channels" value="One" />
         <ctl name="MultiMedia1 Mixer TERT_TDM_TX_0" value="1" />
@@ -1627,9 +1648,15 @@
     </path>
 
     <path name="speaker-adp">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
     </path>
 
     <path name="speaker-custom">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
+    </path>
+
+    <path name="bus-speaker">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
     </path>
 
    <path name="sidetone-iir">
diff --git a/configs/msmsteppe_au/mixer_paths_custom.xml b/configs/msmsteppe_au/mixer_paths_custom.xml
index 3de6f0f..5175d9f 100644
--- a/configs/msmsteppe_au/mixer_paths_custom.xml
+++ b/configs/msmsteppe_au/mixer_paths_custom.xml
@@ -1131,6 +1131,27 @@
         <path name="compress-offload-playback9" />
     </path>
 
+    <!-- The following use cases are used for car streams  -->
+    <path name="media-playback">
+        <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia1" value="1" />
+    </path>
+
+    <path name="sys-notification-playback">
+        <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia5" value="1" />
+    </path>
+
+    <path name="nav-guidance-playback">
+        <ctl name="TERT_TDM_RX_1 Channels" value="One" />
+        <ctl name="TERT_TDM_RX_1 Audio Mixer MultiMedia2" value="1" />
+    </path>
+
+    <path name="phone-playback">
+        <ctl name="TERT_TDM_RX_2 Channels" value="One" />
+        <ctl name="TERT_TDM_RX_2 Audio Mixer MultiMedia10" value="1" />
+    </path>
+
     <path name="audio-record">
         <ctl name="TERT_TDM_TX_0 Channels" value="One" />
         <ctl name="MultiMedia1 Mixer TERT_TDM_TX_0" value="1" />
@@ -1618,9 +1639,15 @@
     </path>
 
     <path name="speaker-adp">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
     </path>
 
     <path name="speaker-custom">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
+    </path>
+
+    <path name="bus-speaker">
+        <!--ctl name="TERT_TDM_RX_0 Channels" value="Six" /-->
     </path>
 
    <path name="sidetone-iir">
diff --git a/configs/msmsteppe_au/msmsteppe_au.mk b/configs/msmsteppe_au/msmsteppe_au.mk
index 51829bd..d63bc69 100644
--- a/configs/msmsteppe_au/msmsteppe_au.mk
+++ b/configs/msmsteppe_au/msmsteppe_au.mk
@@ -69,6 +69,11 @@
 AUDIO_FEATURE_ENABLED_BATTERY_LISTENER := false
 ##AUDIO_FEATURE_FLAGS
 
+AUDIO_FEATURE_ENABLED_AUTO_HAL := true
+AUDIO_FEATURE_ENABLED_EXT_HW_PLUGIN := true
+AUDIO_FEATURE_ENABLED_AUDIO_CONTROL_HAL := true
+##AUTOMOTIVE_AUDIO_FEATURE_FLAGS
+
 ifneq ($(strip $(TARGET_USES_RRO)), true)
 #Audio Specific device overlays
 DEVICE_PACKAGE_OVERLAYS += vendor/qcom/opensource/audio-hal/primary-hal/configs/common/overlay
@@ -109,6 +114,10 @@
 PRODUCT_COPY_FILES += \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmsteppe_au/listen_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/listen_platform_info.xml
 
+#Audio HAL version
+PRODUCT_PROPERTY_OVERRIDES += \
+vendor.audio.hal.maj.version=3
+
 # Reduce client buffer size for fast audio output tracks
 PRODUCT_PROPERTY_OVERRIDES += \
     af.fast_track_multiplier=1
@@ -261,13 +270,20 @@
     android.hardware.audio.effect@4.0 \
     android.hardware.audio.effect@4.0-impl
 
+# for HIDL related audiocontrol packages
+PRODUCT_PACKAGES += \
+    vendor.qti.hardware.automotive.audiocontrol@1.0-service \
+    android.hardware.automotive.audiocontrol@1.0
+
+ifeq ($(ENABLE_HYP),true)
 PRODUCT_PROPERTY_OVERRIDES += \
-persist.audio.calfile0=/vendor/etc/acdbdata/adsp_avs_config.acdb\
-persist.audio.calfile1=/vendor/etc/acdbdata/ADP/Bluetooth_cal.acdb\
-persist.audio.calfile2=/vendor/etc/acdbdata/ADP/Codec_cal.acdb\
-persist.audio.calfile3=/vendor/etc/acdbdata/ADP/General_cal.acdb\
-persist.audio.calfile4=/vendor/etc/acdbdata/ADP/Global_cal.acdb\
-persist.audio.calfile5=/vendor/etc/acdbdata/ADP/Handset_cal.acdb\
-persist.audio.calfile6=/vendor/etc/acdbdata/ADP/Hdmi_cal.acdb\
-persist.audio.calfile7=/vendor/etc/acdbdata/ADP/Headset_cal.acdb\
-persist.audio.calfile8=/vendor/etc/acdbdata/ADP/Speaker_cal.acdb
+persist.vendor.audio.calfile0=/vendor/etc/acdbdata/adsp_avs_config.acdb\
+persist.vendor.audio.calfile1=/vendor/etc/acdbdata/ADP/Bluetooth_cal.acdb\
+persist.vendor.audio.calfile2=/vendor/etc/acdbdata/ADP/Codec_cal.acdb\
+persist.vendor.audio.calfile3=/vendor/etc/acdbdata/ADP/General_cal.acdb\
+persist.vendor.audio.calfile4=/vendor/etc/acdbdata/ADP/Global_cal.acdb\
+persist.vendor.audio.calfile5=/vendor/etc/acdbdata/ADP/Handset_cal.acdb\
+persist.vendor.audio.calfile6=/vendor/etc/acdbdata/ADP/Hdmi_cal.acdb\
+persist.vendor.audio.calfile7=/vendor/etc/acdbdata/ADP/Headset_cal.acdb\
+persist.vendor.audio.calfile8=/vendor/etc/acdbdata/ADP/Speaker_cal.acdb
+endif