diff --git a/conf/init.gs201.rc b/conf/init.gs201.rc
index 6f4dc269..cd586b89 100644
--- a/conf/init.gs201.rc
+++ b/conf/init.gs201.rc
@@ -65,6 +65,14 @@ on init
     chown system system /sys/devices/system/cpu/cpufreq/policy6/sched_pixel/spc_threshold
     chown system system /sys/devices/system/cpu/cpufreq/policy6/sched_pixel/limit_frequency
     chown system system /sys/devices/system/cpu/cpufreq/policy6/sched_pixel/pmu_limit_enable
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu0_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu1_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu2_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu3_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu4_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu5_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu6_memlat@17000010/memlat_cpuidle_state_aware
+    chown system system /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu7_memlat@17000010/memlat_cpuidle_state_aware
 
     chmod 0220 /proc/vendor_sched/set_task_group_bg
     chmod 0220 /proc/vendor_sched/set_task_group_cam
@@ -174,6 +182,16 @@ on init
     write /sys/devices/system/cpu/cpu6/cpufreq/sched_pixel/up_rate_limit_us 500
     write /sys/devices/system/cpu/cpu6/cpufreq/sched_pixel/down_rate_limit_us 20000
 
+    # memlat cpuidle awareness setting
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu0_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu1_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu2_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu3_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu4_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu5_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu6_memlat@17000010/memlat_cpuidle_state_aware 2
+    write /sys/class/devfreq/gs_memlat_devfreq:devfreq_mif_cpu7_memlat@17000010/memlat_cpuidle_state_aware 2
+
     # RT uclamp setting
     write /proc/sys/kernel/sched_util_clamp_min_rt_default 0
 
diff --git a/device.mk b/device.mk
index 2b25c010..f82e9707 100644
--- a/device.mk
+++ b/device.mk
@@ -1012,7 +1012,7 @@ PRODUCT_PACKAGES += \
 	android.hardware.audio@7.1-impl \
 	android.hardware.audio.effect@7.0-impl \
 	android.hardware.soundtrigger@2.3-impl \
-	vendor.google.whitechapel.audio.audioext@3.0-impl \
+	vendor.google.whitechapel.audio.audioext@4.0-impl \
 	android.hardware.bluetooth.audio-impl \
 
 #
diff --git a/device_framework_matrix_product.xml b/device_framework_matrix_product.xml
index 0997ab16..fa007a42 100644
--- a/device_framework_matrix_product.xml
+++ b/device_framework_matrix_product.xml
@@ -145,7 +145,7 @@
     </hal>
     <hal format="hidl">
        <name>vendor.google.whitechapel.audio.audioext</name>
-       <version>3.0</version>
+       <version>4.0</version>
        <interface>
            <name>IAudioExt</name>
            <instance>default</instance>
diff --git a/manifest-gralloc3.xml b/manifest-gralloc3.xml
index 920307a3..852c76f0 100644
--- a/manifest-gralloc3.xml
+++ b/manifest-gralloc3.xml
@@ -142,7 +142,7 @@
     <hal format="hidl">
        <name>vendor.google.whitechapel.audio.audioext</name>
        <transport>hwbinder</transport>
-       <version>3.0</version>
+       <version>4.0</version>
        <interface>
            <name>IAudioExt</name>
            <instance>default</instance>
diff --git a/manifest.xml b/manifest.xml
index 50422a34..9cb47386 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -60,7 +60,7 @@
     <hal format="hidl">
        <name>vendor.google.whitechapel.audio.audioext</name>
        <transport>hwbinder</transport>
-       <version>3.0</version>
+       <version>4.0</version>
        <interface>
            <name>IAudioExt</name>
            <instance>default</instance>