diff --git a/CleanSpec.mk b/CleanSpec.mk
index 01b5e7b..14616e4 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -55,4 +55,5 @@
 $(call add-clean-step, rm -rf $(OUT)/soong/.intermediates/)
 $(call add-clean-step, rm -rf $(OUT_DIR)/soong/.intermediates/hardware/interfaces/)
 $(call add-clean-step, rm -rf $(OUT_DIR)/soong/.intermediates/hardware/interfaces/)
-$(call add-clean-step, find $(PRODUCT_OUT)/system $(PRODUCT_OUT)/vendor -type f -name "android\.hardware\.configstore*" -print0 | xargs -0 rm -f)
\ No newline at end of file
+$(call add-clean-step, find $(PRODUCT_OUT)/system $(PRODUCT_OUT)/vendor -type f -name "android\.hardware\.configstore*" -print0 | xargs -0 rm -f)
+$(call add-clean-step, find $(PRODUCT_OUT)/system $(PRODUCT_OUT)/vendor -type f -name "android\.hardware\.configstore\@1\.1*" -print0 | xargs -0 rm -f)
diff --git a/audio/2.0/config/audio_policy_configuration.xsd b/audio/2.0/config/audio_policy_configuration.xsd
index c94da80..eb59152 100644
--- a/audio/2.0/config/audio_policy_configuration.xsd
+++ b/audio/2.0/config/audio_policy_configuration.xsd
@@ -365,10 +365,10 @@
         </xs:restriction>
     </xs:simpleType>
     <xs:complexType name="profile">
-        <xs:attribute name="name" type="xs:token" use="required"/>
-        <xs:attribute name="format" type="audioFormat" use="required"/>
-        <xs:attribute name="samplingRates" type="samplingRates" use="required"/>
-        <xs:attribute name="channelMasks" type="channelMask" use="required"/>
+        <xs:attribute name="name" type="xs:token" use="optional"/>
+        <xs:attribute name="format" type="audioFormat" use="optional"/>
+        <xs:attribute name="samplingRates" type="samplingRates" use="optional"/>
+        <xs:attribute name="channelMasks" type="channelMask" use="optional"/>
     </xs:complexType>
     <xs:simpleType name="gainMode">
         <xs:restriction base="xs:string">
diff --git a/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp b/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
index 01324c8..ee49023 100644
--- a/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
+++ b/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
@@ -14,9 +14,20 @@
  * limitations under the License.
  */
 
+#include <string>
+#include <unistd.h>
+
 #include "utility/ValidateXml.h"
 
 TEST(CheckConfig, audioPolicyConfigurationValidation) {
-    ASSERT_VALID_XML("/vendor/etc/audio_policy_configuration.xml",
-                     "/data/local/tmp/audio_policy_configuration.xsd");
+    const char* configName = "audio_policy_configuration.xml";
+    const char* possibleConfigLocations[] = {"/odm/etc", "/vendor/etc", "/system/etc"};
+    const char* configSchemaPath = "/data/local/tmp/audio_policy_configuration.xsd";
+
+    for (std::string folder : possibleConfigLocations) {
+        const auto configPath = folder + '/' + configName;
+        if (access(configPath.c_str(), R_OK) == 0) {
+            ASSERT_VALID_XML(configPath.c_str(), configSchemaPath);
+        }
+    }
 }
diff --git a/compatibility_matrix.26.xml b/compatibility_matrix.26.xml
index 9aa5418..8c715dd 100644
--- a/compatibility_matrix.26.xml
+++ b/compatibility_matrix.26.xml
@@ -73,7 +73,7 @@
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.configstore</name>
-        <version>1.0-1</version>
+        <version>1.0</version>
         <interface>
             <name>ISurfaceFlingerConfigs</name>
             <instance>default</instance>
diff --git a/compatibility_matrix.current.xml b/compatibility_matrix.current.xml
index 9603bd6..e3c4e15 100644
--- a/compatibility_matrix.current.xml
+++ b/compatibility_matrix.current.xml
@@ -73,7 +73,7 @@
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.configstore</name>
-        <version>1.0-1</version>
+        <version>1.0</version>
         <interface>
             <name>ISurfaceFlingerConfigs</name>
             <instance>default</instance>
diff --git a/compatibility_matrix.legacy.xml b/compatibility_matrix.legacy.xml
index 6167f25..1dbbb05 100644
--- a/compatibility_matrix.legacy.xml
+++ b/compatibility_matrix.legacy.xml
@@ -73,7 +73,7 @@
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.configstore</name>
-        <version>1.0-1</version>
+        <version>1.0</version>
         <interface>
             <name>ISurfaceFlingerConfigs</name>
             <instance>default</instance>
diff --git a/configstore/1.1/default/Android.mk b/configstore/1.0/default/Android.mk
similarity index 75%
rename from configstore/1.1/default/Android.mk
rename to configstore/1.0/default/Android.mk
index ac3d8b0..e017cfd 100644
--- a/configstore/1.1/default/Android.mk
+++ b/configstore/1.0/default/Android.mk
@@ -2,18 +2,17 @@
 
 ################################################################################
 include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.configstore@1.1-service
+LOCAL_MODULE := android.hardware.configstore@1.0-service
 LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_CLASS := EXECUTABLES
 LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_INIT_RC := android.hardware.configstore@1.1-service.rc
+LOCAL_INIT_RC := android.hardware.configstore@1.0-service.rc
 LOCAL_SRC_FILES:= service.cpp
 
 include $(LOCAL_PATH)/surfaceflinger.mk
 
 LOCAL_SHARED_LIBRARIES := \
     android.hardware.configstore@1.0 \
-    android.hardware.configstore@1.1 \
     libhidlbase \
     libhidltransport \
     libbase \
diff --git a/configstore/1.1/default/SurfaceFlingerConfigs.cpp b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
similarity index 96%
rename from configstore/1.1/default/SurfaceFlingerConfigs.cpp
rename to configstore/1.0/default/SurfaceFlingerConfigs.cpp
index 5a040f2..3239274 100644
--- a/configstore/1.1/default/SurfaceFlingerConfigs.cpp
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
@@ -19,7 +19,7 @@
 namespace android {
 namespace hardware {
 namespace configstore {
-namespace V1_1 {
+namespace V1_0 {
 namespace implementation {
 
 // Methods from ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs
@@ -139,13 +139,10 @@
     return Void();
 }
 
-// Methods from ::android::hardware::configstore::V1_1::ISurfaceFlingerConfigs
-// follow.
-
 // Methods from ::android::hidl::base::V1_0::IBase follow.
 
 }  // namespace implementation
-}  // namespace V1_1
+}  // namespace V1_0
 }  // namespace configstore
 }  // namespace hardware
 }  // namespace android
diff --git a/configstore/1.1/default/SurfaceFlingerConfigs.h b/configstore/1.0/default/SurfaceFlingerConfigs.h
similarity index 77%
rename from configstore/1.1/default/SurfaceFlingerConfigs.h
rename to configstore/1.0/default/SurfaceFlingerConfigs.h
index 53e8ae8..32e5fc3 100644
--- a/configstore/1.1/default/SurfaceFlingerConfigs.h
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.h
@@ -1,17 +1,17 @@
-#ifndef ANDROID_HARDWARE_CONFIGSTORE_V1_1_SURFACEFLINGERCONFIGS_H
-#define ANDROID_HARDWARE_CONFIGSTORE_V1_1_SURFACEFLINGERCONFIGS_H
+#ifndef ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
+#define ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
 
-#include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
 
 namespace android {
 namespace hardware {
 namespace configstore {
-namespace V1_1 {
+namespace V1_0 {
 namespace implementation {
 
-using ::android::hardware::configstore::V1_1::ISurfaceFlingerConfigs;
+using ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 using ::android::sp;
@@ -32,16 +32,13 @@
     Return<void> maxFrameBufferAcquiredBuffers(maxFrameBufferAcquiredBuffers_cb _hidl_cb) override;
     Return<void> startGraphicsAllocatorService(startGraphicsAllocatorService_cb _hidl_cb) override;
 
-    // Methods from
-    // ::android::hardware::configstore::V1_1::ISurfaceFlingerConfigs follow.
-
     // Methods from ::android::hidl::base::V1_0::IBase follow.
 };
 
 }  // namespace implementation
-}  // namespace V1_1
+}  // namespace V1_0
 }  // namespace configstore
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_CONFIGSTORE_V1_1_SURFACEFLINGERCONFIGS_H
+#endif  // ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
diff --git a/configstore/1.0/default/android.hardware.configstore@1.0-service.rc b/configstore/1.0/default/android.hardware.configstore@1.0-service.rc
new file mode 100644
index 0000000..563d854
--- /dev/null
+++ b/configstore/1.0/default/android.hardware.configstore@1.0-service.rc
@@ -0,0 +1,4 @@
+service configstore-hal-1-0 /vendor/bin/hw/android.hardware.configstore@1.0-service
+    class hal animation
+    user system
+    group system
diff --git a/configstore/1.1/default/service.cpp b/configstore/1.0/default/service.cpp
similarity index 83%
rename from configstore/1.1/default/service.cpp
rename to configstore/1.0/default/service.cpp
index 3a4cd3f..3dca739 100644
--- a/configstore/1.1/default/service.cpp
+++ b/configstore/1.0/default/service.cpp
@@ -14,17 +14,17 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.configstore@1.1-service"
+#define LOG_TAG "android.hardware.configstore@1.0-service"
 
-#include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <hidl/HidlTransportSupport.h>
 
 #include "SurfaceFlingerConfigs.h"
 
 using android::hardware::configureRpcThreadpool;
 using android::hardware::joinRpcThreadpool;
-using android::hardware::configstore::V1_1::ISurfaceFlingerConfigs;
-using android::hardware::configstore::V1_1::implementation::SurfaceFlingerConfigs;
+using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
+using android::hardware::configstore::V1_0::implementation::SurfaceFlingerConfigs;
 using android::sp;
 using android::status_t;
 using android::OK;
diff --git a/configstore/1.1/default/surfaceflinger.mk b/configstore/1.0/default/surfaceflinger.mk
similarity index 100%
rename from configstore/1.1/default/surfaceflinger.mk
rename to configstore/1.0/default/surfaceflinger.mk
diff --git a/configstore/1.1/Android.bp b/configstore/1.1/Android.bp
deleted file mode 100644
index 92fb7c1..0000000
--- a/configstore/1.1/Android.bp
+++ /dev/null
@@ -1,64 +0,0 @@
-// This file is autogenerated by hidl-gen. Do not edit manually.
-
-filegroup {
-    name: "android.hardware.configstore@1.1_hal",
-    srcs: [
-        "ISurfaceFlingerConfigs.hal",
-    ],
-}
-
-genrule {
-    name: "android.hardware.configstore@1.1_genc++",
-    tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++-sources -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.configstore@1.1",
-    srcs: [
-        ":android.hardware.configstore@1.1_hal",
-    ],
-    out: [
-        "android/hardware/configstore/1.1/SurfaceFlingerConfigsAll.cpp",
-    ],
-}
-
-genrule {
-    name: "android.hardware.configstore@1.1_genc++_headers",
-    tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++-headers -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.configstore@1.1",
-    srcs: [
-        ":android.hardware.configstore@1.1_hal",
-    ],
-    out: [
-        "android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h",
-        "android/hardware/configstore/1.1/IHwSurfaceFlingerConfigs.h",
-        "android/hardware/configstore/1.1/BnHwSurfaceFlingerConfigs.h",
-        "android/hardware/configstore/1.1/BpHwSurfaceFlingerConfigs.h",
-        "android/hardware/configstore/1.1/BsSurfaceFlingerConfigs.h",
-    ],
-}
-
-cc_library {
-    name: "android.hardware.configstore@1.1",
-    defaults: ["hidl-module-defaults"],
-    generated_sources: ["android.hardware.configstore@1.1_genc++"],
-    generated_headers: ["android.hardware.configstore@1.1_genc++_headers"],
-    export_generated_headers: ["android.hardware.configstore@1.1_genc++_headers"],
-    vendor_available: true,
-    vndk: {
-        enabled: true,
-    },
-    shared_libs: [
-        "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
-        "liblog",
-        "libutils",
-        "libcutils",
-        "android.hardware.configstore@1.0",
-    ],
-    export_shared_lib_headers: [
-        "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
-        "libutils",
-        "android.hardware.configstore@1.0",
-    ],
-}
diff --git a/configstore/1.1/Android.mk b/configstore/1.1/Android.mk
deleted file mode 100644
index b3f7053..0000000
--- a/configstore/1.1/Android.mk
+++ /dev/null
@@ -1,44 +0,0 @@
-# This file is autogenerated by hidl-gen. Do not edit manually.
-
-LOCAL_PATH := $(call my-dir)
-
-################################################################################
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.configstore-V1.1-java
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-
-intermediates := $(call local-generated-sources-dir, COMMON)
-
-HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
-
-LOCAL_JAVA_LIBRARIES := \
-    android.hardware.configstore-V1.0-java \
-    android.hidl.base-V1.0-java \
-
-LOCAL_NO_STANDARD_LIBRARIES := true
-LOCAL_JAVA_LIBRARIES += core-oj hwbinder
-
-#
-# Build ISurfaceFlingerConfigs.hal
-#
-GEN := $(intermediates)/android/hardware/configstore/V1_1/ISurfaceFlingerConfigs.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.configstore@1.1::ISurfaceFlingerConfigs
-
-$(GEN): $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-include $(BUILD_JAVA_LIBRARY)
-
-
-
-include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/configstore/1.1/ISurfaceFlingerConfigs.hal b/configstore/1.1/ISurfaceFlingerConfigs.hal
deleted file mode 100644
index 5eacbe0..0000000
--- a/configstore/1.1/ISurfaceFlingerConfigs.hal
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.1 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.1
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package android.hardware.configstore@1.1;
-
-import @1.0::ISurfaceFlingerConfigs;
-
-/**
- * New revision of ISurfaceFlingerConfigs
- */
-
-interface ISurfaceFlingerConfigs extends @1.0::ISurfaceFlingerConfigs {
-};
diff --git a/configstore/1.1/default/android.hardware.configstore@1.1-service.rc b/configstore/1.1/default/android.hardware.configstore@1.1-service.rc
deleted file mode 100644
index 018ef10..0000000
--- a/configstore/1.1/default/android.hardware.configstore@1.1-service.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service configstore-hal /vendor/bin/hw/android.hardware.configstore@1.1-service
-    class hal animation
-    user system
-    group system
diff --git a/configstore/1.1/vts/functional/Android.bp b/configstore/1.1/vts/functional/Android.bp
deleted file mode 100644
index 5cfa483..0000000
--- a/configstore/1.1/vts/functional/Android.bp
+++ /dev/null
@@ -1,34 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_test {
-    name: "VtsHalConfigstoreV1_1TargetTest",
-    defaults: ["hidl_defaults"],
-    srcs: ["VtsHalConfigstoreV1_1TargetTest.cpp"],
-    shared_libs: [
-        "libbase",
-        "libhidlbase",
-        "liblog",
-        "libutils",
-        "android.hardware.configstore@1.1",
-    ],
-    static_libs: ["VtsHalHidlTargetTestBase"],
-    cflags: [
-        "-O0",
-        "-g",
-    ]
-}
-
diff --git a/configstore/1.1/vts/functional/VtsHalConfigstoreV1_1TargetTest.cpp b/configstore/1.1/vts/functional/VtsHalConfigstoreV1_1TargetTest.cpp
deleted file mode 100644
index bd3da4c..0000000
--- a/configstore/1.1/vts/functional/VtsHalConfigstoreV1_1TargetTest.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "ConfigstoreHidlHalTest"
-
-#include <VtsHalHidlTargetTestBase.h>
-#include <android-base/logging.h>
-#include <android/hardware/configstore/1.0/types.h>
-#include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
-#include <unistd.h>
-
-using ::android::hardware::configstore::V1_1::ISurfaceFlingerConfigs;
-using ::android::sp;
-
-#define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
-#define EXPECT_OK(ret) EXPECT_TRUE(ret.isOk())
-
-class ConfigstoreHidlTest : public ::testing::VtsHalHidlTargetTestBase {
-   public:
-    sp<ISurfaceFlingerConfigs> sfConfigs;
-
-    virtual void SetUp() override {
-        sfConfigs = ::testing::VtsHalHidlTargetTestBase::getService<ISurfaceFlingerConfigs>();
-        ASSERT_NE(sfConfigs, nullptr);
-    }
-
-    virtual void TearDown() override {}
-};
-
-/**
- * Placeholder testcase.
- */
-TEST_F(ConfigstoreHidlTest, Test) {
-    ASSERT_TRUE(true);
-}
-
-int main(int argc, char** argv) {
-    ::testing::InitGoogleTest(&argc, argv);
-    int status = RUN_ALL_TESTS();
-    LOG(INFO) << "Test result = " << status;
-    return status;
-}
diff --git a/configstore/Android.bp b/configstore/Android.bp
index 4a783c3..ba3e62e 100644
--- a/configstore/Android.bp
+++ b/configstore/Android.bp
@@ -2,7 +2,5 @@
 subdirs = [
     "1.0",
     "1.0/vts/functional",
-    "1.1",
-    "1.1/vts/functional",
     "utils",
 ]
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index 78353ea..3d78f45 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -1774,7 +1774,7 @@
                                              .Authorization(TAG_NO_AUTH_REQUIRED)
                                              .EcdsaSigningKey(224)
                                              .Digest(Digest::NONE)));
-    string message(64 * 1024, 'a');
+    string message(2 * 1024, 'a');
     SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE));
 }
 
@@ -2607,7 +2607,7 @@
 }
 
 /*
- * EncryptionOperationsTest.RsaNoPaddingTooLong
+ * EncryptionOperationsTest.RsaNoPaddingTooLarge
  *
  * Verifies that raw RSA encryption of too-large (numerically) messages fails in the expected way.
  */
@@ -3907,7 +3907,7 @@
  * Verifies that the addRngEntropy method doesn't blow up when given a largish amount of data.
  */
 TEST_F(AddEntropyTest, AddLargeEntropy) {
-    EXPECT_EQ(ErrorCode::OK, keymaster().addRngEntropy(HidlBuf(string(16 * 1024, 'a'))));
+    EXPECT_EQ(ErrorCode::OK, keymaster().addRngEntropy(HidlBuf(string(2 * 1024, 'a'))));
 }
 
 typedef KeymasterHidlTest AttestationTest;
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
index 336cab4..1aae7bc 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
@@ -766,13 +766,13 @@
     int bytesCount = 0;
     uint32_t flags = 0;
     uint32_t timestamp = 0;
-    timestampDevTest = true;
+    timestampDevTest = false;
     while (1) {
         if (!(eleInfo >> bytesCount)) break;
         eleInfo >> flags;
         eleInfo >> timestamp;
         Info.push_back({bytesCount, flags, timestamp});
-        if (flags != OMX_BUFFERFLAG_CODECCONFIG)
+        if (timestampDevTest && (flags != OMX_BUFFERFLAG_CODECCONFIG))
             timestampUslist.push_back(timestamp);
     }
     eleInfo.close();
@@ -814,7 +814,7 @@
     packedArgs audioArgs = {eEncoding, compName};
     testEOS(omxNode, observer, &iBuffer, &oBuffer, false, eosFlag, nullptr,
             portReconfiguration, kPortIndexInput, kPortIndexOutput, &audioArgs);
-    EXPECT_EQ(timestampUslist.empty(), true);
+    if (timestampDevTest) EXPECT_EQ(timestampUslist.empty(), true);
     // set state to idle
     changeStateExecutetoIdle(omxNode, observer, &iBuffer, &oBuffer);
     // set state to executing
diff --git a/media/omx/1.0/vts/functional/common/Android.bp b/media/omx/1.0/vts/functional/common/Android.bp
old mode 100755
new mode 100644
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp b/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp
old mode 100755
new mode 100644
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 438dd70..ff031dd 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -27,6 +27,7 @@
 #include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMapper.h>
 #include <android/hidl/memory/1.0/IMemory.h>
+#include <cutils/atomic.h>
 
 using ::android::hardware::graphics::common::V1_0::BufferUsage;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
@@ -47,6 +48,7 @@
 
 #include <VtsHalHidlTargetTestBase.h>
 #include <getopt.h>
+#include <media/hardware/HardwareAPI.h>
 #include <media_hidl_test_common.h>
 #include <media_video_hidl_test_common.h>
 #include <fstream>
@@ -410,7 +412,7 @@
 void allocateGraphicBuffers(sp<IOmxNode> omxNode, OMX_U32 portIndex,
                             android::Vector<BufferInfo>* buffArray,
                             uint32_t nFrameWidth, uint32_t nFrameHeight,
-                            int32_t* nStride, uint32_t count) {
+                            int32_t* nStride, int format, uint32_t count) {
     android::hardware::media::omx::V1_0::Status status;
     sp<android::hardware::graphics::allocator::V2_0::IAllocator> allocator =
         android::hardware::graphics::allocator::V2_0::IAllocator::getService();
@@ -427,7 +429,7 @@
     descriptorInfo.width = nFrameWidth;
     descriptorInfo.height = nFrameHeight;
     descriptorInfo.layerCount = 1;
-    descriptorInfo.format = PixelFormat::RGBA_8888;
+    descriptorInfo.format = static_cast<PixelFormat>(format);
     descriptorInfo.usage = static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN);
     omxNode->getGraphicBufferUsage(
         portIndex,
@@ -452,6 +454,9 @@
     EXPECT_EQ(error, android::hardware::graphics::mapper::V2_0::Error::NONE);
 
     EXPECT_EQ(buffArray->size(), count);
+
+    static volatile int32_t nextId = 0;
+    uint64_t id = static_cast<uint64_t>(getpid()) << 32;
     allocator->allocate(
         descriptor, count,
         [&](android::hardware::graphics::mapper::V2_0::Error _s, uint32_t _n1,
@@ -475,7 +480,7 @@
                 buffArray->editItemAt(i).omxBuffer.attr.anwBuffer.layerCount =
                     descriptorInfo.layerCount;
                 buffArray->editItemAt(i).omxBuffer.attr.anwBuffer.id =
-                    (*buffArray)[i].id;
+                    id | static_cast<uint32_t>(android_atomic_inc(&nextId));
             }
         });
 }
@@ -493,6 +498,21 @@
         ASSERT_EQ(msg.data.eventData.data1, kPortIndexOutput);
         if (msg.data.eventData.data2 == OMX_IndexParamPortDefinition ||
             msg.data.eventData.data2 == 0) {
+            // Components can send various kinds of port settings changed events
+            // all at once. Before committing to a full port reconfiguration,
+            // defer any events waiting in the queue to be addressed to a later
+            // point.
+            android::List<Message> msgQueueDefer;
+            while (1) {
+                status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT,
+                                                  iBuffer, oBuffer);
+                if (status !=
+                    android::hardware::media::omx::V1_0::Status::TIMED_OUT) {
+                    msgQueueDefer.push_back(msg);
+                    continue;
+                } else
+                    break;
+            }
             status = omxNode->sendCommand(
                 toRawCommandType(OMX_CommandPortDisable), kPortIndexOutput);
             ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
@@ -521,12 +541,15 @@
 
                 // set Port Params
                 uint32_t nFrameWidth, nFrameHeight, xFramerate;
-                OMX_COLOR_FORMATTYPE eColorFormat =
-                    OMX_COLOR_FormatYUV420Planar;
                 getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth,
                                     &nFrameHeight, &xFramerate);
+                // get configured color format
+                OMX_PARAM_PORTDEFINITIONTYPE portDef;
+                status = getPortParam(omxNode, OMX_IndexParamPortDefinition,
+                                      kPortIndexOutput, &portDef);
                 setDefaultPortParam(omxNode, kPortIndexOutput,
-                                    OMX_VIDEO_CodingUnused, eColorFormat,
+                                    OMX_VIDEO_CodingUnused,
+                                    portDef.format.video.eColorFormat,
                                     nFrameWidth, nFrameHeight, 0, xFramerate);
 
                 // If you can disable a port, then you should be able to
@@ -558,6 +581,7 @@
                                            portDef.format.video.nFrameWidth,
                                            portDef.format.video.nFrameHeight,
                                            &portDef.format.video.nStride,
+                                           portDef.format.video.eColorFormat,
                                            portDef.nBufferCountActual);
                 }
                 status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT,
@@ -568,6 +592,16 @@
                 ASSERT_EQ(msg.data.eventData.data1, OMX_CommandPortEnable);
                 ASSERT_EQ(msg.data.eventData.data2, kPortIndexOutput);
 
+                // Push back deferred messages to the list
+                android::List<Message>::iterator it = msgQueueDefer.begin();
+                while (it != msgQueueDefer.end()) {
+                    status = omxNode->dispatchMessage(*it);
+                    ASSERT_EQ(
+                        status,
+                        ::android::hardware::media::omx::V1_0::Status::OK);
+                    it++;
+                }
+
                 // dispatch output buffers
                 for (size_t i = 0; i < oBuffer->size(); i++) {
                     dispatchOutputBuffer(omxNode, oBuffer, i, oPortMode);
@@ -718,6 +752,116 @@
     }
 }
 
+// DescribeColorFormatParams Copy Constructor (Borrowed from OMXUtils.cpp)
+android::DescribeColorFormatParams::DescribeColorFormatParams(
+    const android::DescribeColorFormat2Params& params) {
+    eColorFormat = params.eColorFormat;
+    nFrameWidth = params.nFrameWidth;
+    nFrameHeight = params.nFrameHeight;
+    nStride = params.nStride;
+    nSliceHeight = params.nSliceHeight;
+    bUsingNativeBuffers = params.bUsingNativeBuffers;
+};
+
+bool isColorFormatFlexibleYUV(sp<IOmxNode> omxNode,
+                              OMX_COLOR_FORMATTYPE eColorFormat) {
+    android::hardware::media::omx::V1_0::Status status;
+    unsigned int index = OMX_IndexMax, index2 = OMX_IndexMax;
+    omxNode->getExtensionIndex(
+        "OMX.google.android.index.describeColorFormat",
+        [&index](android::hardware::media::omx::V1_0::Status _s,
+                          unsigned int _nl) {
+            if (_s == ::android::hardware::media::omx::V1_0::Status::OK)
+                index = _nl;
+        });
+    omxNode->getExtensionIndex(
+        "OMX.google.android.index.describeColorFormat2",
+        [&index2](android::hardware::media::omx::V1_0::Status _s,
+                           unsigned int _nl) {
+            if (_s == ::android::hardware::media::omx::V1_0::Status::OK)
+                index2 = _nl;
+        });
+
+    android::DescribeColorFormat2Params describeParams;
+    describeParams.eColorFormat = eColorFormat;
+    describeParams.nFrameWidth = 128;
+    describeParams.nFrameHeight = 128;
+    describeParams.nStride = 128;
+    describeParams.nSliceHeight = 128;
+    describeParams.bUsingNativeBuffers = OMX_FALSE;
+    if (index != OMX_IndexMax) {
+        android::DescribeColorFormatParams describeParamsV1(describeParams);
+        status = getParam(omxNode, static_cast<OMX_INDEXTYPE>(index),
+                          &describeParamsV1);
+        if (status == ::android::hardware::media::omx::V1_0::Status::OK) {
+            android::MediaImage& img = describeParamsV1.sMediaImage;
+            if (img.mType == android::MediaImage::MEDIA_IMAGE_TYPE_YUV) {
+                if (img.mNumPlanes == 3 &&
+                    img.mPlane[img.Y].mHorizSubsampling == 1 &&
+                    img.mPlane[img.Y].mVertSubsampling == 1) {
+                    if (img.mPlane[img.U].mHorizSubsampling == 2 &&
+                        img.mPlane[img.U].mVertSubsampling == 2 &&
+                        img.mPlane[img.V].mHorizSubsampling == 2 &&
+                        img.mPlane[img.V].mVertSubsampling == 2) {
+                        if (img.mBitDepth <= 8) {
+                            return true;
+                        }
+                    }
+                }
+            }
+        }
+    } else if (index2 != OMX_IndexMax) {
+        status = getParam(omxNode, static_cast<OMX_INDEXTYPE>(index2),
+                          &describeParams);
+        android::MediaImage2& img = describeParams.sMediaImage;
+        if (img.mType == android::MediaImage2::MEDIA_IMAGE_TYPE_YUV) {
+            if (img.mNumPlanes == 3 &&
+                img.mPlane[img.Y].mHorizSubsampling == 1 &&
+                img.mPlane[img.Y].mVertSubsampling == 1) {
+                if (img.mPlane[img.U].mHorizSubsampling == 2 &&
+                    img.mPlane[img.U].mVertSubsampling == 2 &&
+                    img.mPlane[img.V].mHorizSubsampling == 2 &&
+                    img.mPlane[img.V].mVertSubsampling == 2) {
+                    if (img.mBitDepth <= 8) {
+                        return true;
+                    }
+                }
+            }
+        }
+    }
+    return false;
+}
+
+// get default color format for output port
+void getDefaultColorFormat(sp<IOmxNode> omxNode, OMX_U32 kPortIndexOutput,
+                           PortMode oPortMode,
+                           OMX_COLOR_FORMATTYPE* eColorFormat) {
+    android::hardware::media::omx::V1_0::Status status;
+    OMX_VIDEO_PARAM_PORTFORMATTYPE portFormat;
+    *eColorFormat = OMX_COLOR_FormatUnused;
+    portFormat.nIndex = 0;
+    while (1) {
+        status = getPortParam(omxNode, OMX_IndexParamVideoPortFormat,
+                              kPortIndexOutput, &portFormat);
+        if (status != ::android::hardware::media::omx::V1_0::Status::OK) break;
+        EXPECT_EQ(portFormat.eCompressionFormat, OMX_VIDEO_CodingUnused);
+        if (oPortMode != PortMode::PRESET_BYTE_BUFFER) {
+            *eColorFormat = portFormat.eColorFormat;
+            break;
+        }
+        if (isColorFormatFlexibleYUV(omxNode, portFormat.eColorFormat)) {
+            *eColorFormat = portFormat.eColorFormat;
+            break;
+        }
+        if (OMX_COLOR_FormatYUV420SemiPlanar == portFormat.eColorFormat ||
+            OMX_COLOR_FormatYUV420Planar == portFormat.eColorFormat) {
+            *eColorFormat = portFormat.eColorFormat;
+            break;
+        }
+        portFormat.nIndex++;
+    }
+}
+
 // set component role
 TEST_F(VideoDecHidlTest, SetRole) {
     description("Test Set Component Role");
@@ -788,7 +932,7 @@
         eleInfo >> flags;
         eleInfo >> timestamp;
         Info.push_back({bytesCount, flags, timestamp});
-        if (flags != OMX_BUFFERFLAG_CODECCONFIG)
+        if (timestampDevTest && (flags != OMX_BUFFERFLAG_CODECCONFIG))
             timestampUslist.push_back(timestamp);
         if (maxBytesCount < bytesCount) maxBytesCount = bytesCount;
     }
@@ -813,9 +957,17 @@
 
     // set Port Params
     uint32_t nFrameWidth, nFrameHeight, xFramerate;
-    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatYUV420Planar;
     getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
                         &xFramerate);
+    // get default color format
+    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatUnused;
+    getDefaultColorFormat(omxNode, kPortIndexOutput, portMode[1],
+                          &eColorFormat);
+    ASSERT_NE(eColorFormat, OMX_COLOR_FormatUnused);
+    status =
+        setVideoPortFormat(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                           eColorFormat, xFramerate);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
     setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
                         eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
 
@@ -839,7 +991,8 @@
         allocateGraphicBuffers(
             omxNode, kPortIndexOutput, &oBuffer,
             portDef.format.video.nFrameWidth, portDef.format.video.nFrameHeight,
-            &portDef.format.video.nStride, portDef.nBufferCountActual);
+            &portDef.format.video.nStride, portDef.format.video.eColorFormat,
+            portDef.nBufferCountActual);
     }
 
     // Port Reconfiguration
@@ -853,7 +1006,7 @@
                            kPortIndexInput, kPortIndexOutput, portMode[1]);
     testEOS(omxNode, observer, &iBuffer, &oBuffer, false, eosFlag, portMode,
             portReconfiguration, kPortIndexInput, kPortIndexOutput, nullptr);
-    EXPECT_EQ(timestampUslist.empty(), true);
+    if (timestampDevTest) EXPECT_EQ(timestampUslist.empty(), true);
     // set state to idle
     changeStateExecutetoIdle(omxNode, observer, &iBuffer, &oBuffer);
     // set state to executing
@@ -877,22 +1030,28 @@
         kPortIndexOutput = kPortIndexInput + 1;
     }
 
-    // set Port Params
-    uint32_t nFrameWidth, nFrameHeight, xFramerate;
-    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatYUV420Planar;
-    getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
-                        &xFramerate);
-    setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
-                        eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
-
     // set port mode
-    PortMode portMode[2];
-    portMode[0] = portMode[1] = PortMode::PRESET_BYTE_BUFFER;
     status = omxNode->setPortMode(kPortIndexInput, portMode[0]);
     ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
     status = omxNode->setPortMode(kPortIndexOutput, portMode[1]);
     ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
 
+    // set Port Params
+    uint32_t nFrameWidth, nFrameHeight, xFramerate;
+    getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
+                        &xFramerate);
+    // get default color format
+    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatUnused;
+    getDefaultColorFormat(omxNode, kPortIndexOutput, portMode[1],
+                          &eColorFormat);
+    ASSERT_NE(eColorFormat, OMX_COLOR_FormatUnused);
+    status =
+        setVideoPortFormat(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                           eColorFormat, xFramerate);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
+    setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                        eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
+
     android::Vector<BufferInfo> iBuffer, oBuffer;
 
     // set state to idle
@@ -967,20 +1126,20 @@
 
     // set Port Params
     uint32_t nFrameWidth, nFrameHeight, xFramerate;
-    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatYUV420Planar;
     getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
                         &xFramerate);
+    // get default color format
+    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatUnused;
+    getDefaultColorFormat(omxNode, kPortIndexOutput, portMode[1],
+                          &eColorFormat);
+    ASSERT_NE(eColorFormat, OMX_COLOR_FormatUnused);
+    status =
+        setVideoPortFormat(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                           eColorFormat, xFramerate);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
     setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
                         eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
 
-    // set port mode
-    PortMode portMode[2];
-    portMode[0] = portMode[1] = PortMode::PRESET_BYTE_BUFFER;
-    status = omxNode->setPortMode(kPortIndexInput, portMode[0]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-    status = omxNode->setPortMode(kPortIndexOutput, portMode[1]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-
     android::Vector<BufferInfo> iBuffer, oBuffer;
 
     // set state to idle
@@ -1080,20 +1239,20 @@
 
     // set Port Params
     uint32_t nFrameWidth, nFrameHeight, xFramerate;
-    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatYUV420Planar;
     getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
                         &xFramerate);
+    // get default color format
+    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatUnused;
+    getDefaultColorFormat(omxNode, kPortIndexOutput, portMode[1],
+                          &eColorFormat);
+    ASSERT_NE(eColorFormat, OMX_COLOR_FormatUnused);
+    status =
+        setVideoPortFormat(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                           eColorFormat, xFramerate);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
     setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
                         eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
 
-    // set port mode
-    PortMode portMode[2];
-    portMode[0] = portMode[1] = PortMode::PRESET_BYTE_BUFFER;
-    status = omxNode->setPortMode(kPortIndexInput, portMode[0]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-    status = omxNode->setPortMode(kPortIndexOutput, portMode[1]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-
     android::Vector<BufferInfo> iBuffer, oBuffer;
 
     // set state to idle
@@ -1175,20 +1334,20 @@
 
     // set Port Params
     uint32_t nFrameWidth, nFrameHeight, xFramerate;
-    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatYUV420Planar;
     getInputChannelInfo(omxNode, kPortIndexInput, &nFrameWidth, &nFrameHeight,
                         &xFramerate);
+    // get default color format
+    OMX_COLOR_FORMATTYPE eColorFormat = OMX_COLOR_FormatUnused;
+    getDefaultColorFormat(omxNode, kPortIndexOutput, portMode[1],
+                          &eColorFormat);
+    ASSERT_NE(eColorFormat, OMX_COLOR_FormatUnused);
+    status =
+        setVideoPortFormat(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
+                           eColorFormat, xFramerate);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
     setDefaultPortParam(omxNode, kPortIndexOutput, OMX_VIDEO_CodingUnused,
                         eColorFormat, nFrameWidth, nFrameHeight, 0, xFramerate);
 
-    // set port mode
-    PortMode portMode[2];
-    portMode[0] = portMode[1] = PortMode::PRESET_BYTE_BUFFER;
-    status = omxNode->setPortMode(kPortIndexInput, portMode[0]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-    status = omxNode->setPortMode(kPortIndexOutput, portMode[1]);
-    ASSERT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
-
     android::Vector<BufferInfo> iBuffer, oBuffer;
 
     // set state to idle
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
index 7f9486d..c6d688f 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
@@ -1297,7 +1297,7 @@
     eleStream.close();
     waitOnInputConsumption(omxNode, observer, &iBuffer, &oBuffer);
     testEOS(omxNode, observer, &iBuffer, &oBuffer, false, eosFlag);
-    EXPECT_EQ(timestampUslist.empty(), true);
+    if (timestampDevTest) EXPECT_EQ(timestampUslist.empty(), true);
 
     // set state to idle
     changeStateExecutetoIdle(omxNode, observer, &iBuffer, &oBuffer);
diff --git a/sensors/1.0/vts/functional/VtsHalSensorsV1_0TargetTest.cpp b/sensors/1.0/vts/functional/VtsHalSensorsV1_0TargetTest.cpp
index aff2bc5..3cabf0e 100644
--- a/sensors/1.0/vts/functional/VtsHalSensorsV1_0TargetTest.cpp
+++ b/sensors/1.0/vts/functional/VtsHalSensorsV1_0TargetTest.cpp
@@ -1221,16 +1221,17 @@
   usleep(batchingPeriodInNs / 1000 * 8 / 10);
 
   SensorsHidlEnvironment::Instance()->setCollection(true);
-  // 0.8 + 0.3 times the batching period
-  // plus some time for the event to deliver
-  events = collectEvents(
-      batchingPeriodInNs / 1000 * 3 / 10,
-        minFifoCount, true /*clearBeforeStart*/, false /*change collection*/);
+  // clean existing collections
+  collectEvents(0 /*timeLimitUs*/, 0/*nEventLimit*/,
+        true /*clearBeforeStart*/, false /*change collection*/);
 
+  // 0.8 + 0.2 times the batching period
+  usleep(batchingPeriodInNs / 1000 * 8 / 10);
   ASSERT_EQ(flush(handle), Result::OK);
 
+  // plus some time for the event to deliver
   events = collectEvents(allowedBatchDeliverTimeNs / 1000,
-        minFifoCount, true /*clearBeforeStart*/, false /*change collection*/);
+        minFifoCount, false /*clearBeforeStart*/, false /*change collection*/);
 
   SensorsHidlEnvironment::Instance()->setCollection(false);
   ASSERT_EQ(activate(handle, 0), Result::OK);
@@ -1243,7 +1244,7 @@
   }
 
   // at least reach 90% of advertised capacity
-  ASSERT_GT(nEvent, (size_t)(batchingPeriodInNs / minSamplingPeriodInNs * 9 / 10));
+  ASSERT_GT(nEvent, (size_t)(minFifoCount * 9 / 10));
 }
 
 // Test if sensor hal can do accelerometer batching properly