diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 02dc516..20ca35c 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -1519,6 +1519,13 @@
     return aps->setRttEnabled(enabled);
 }
 
+bool AudioSystem::isCallScreenModeSupported()
+{
+    const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+    if (aps == 0) return false;
+    return aps->isCallScreenModeSupported();
+}
+
 // ---------------------------------------------------------------------------
 
 int AudioSystem::AudioPolicyServiceClient::addAudioPortCallback(
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 7cc95e5..f27e21a 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -104,7 +104,8 @@
     GET_VOLUME_GROUP_FOR_ATTRIBUTES,
     SET_ALLOWED_CAPTURE_POLICY,
     MOVE_EFFECTS_TO_IO,
-    SET_RTT_ENABLED
+    SET_RTT_ENABLED,
+    IS_CALL_SCREEN_MODE_SUPPORTED
 };
 
 #define MAX_ITEMS_PER_LIST 1024
@@ -1284,6 +1285,17 @@
         }
         return static_cast<status_t>(reply.readInt32());
     }
+
+    virtual bool isCallScreenModeSupported()
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+        status_t status = remote()->transact(IS_CALL_SCREEN_MODE_SUPPORTED, data, &reply);
+        if (status != NO_ERROR) {
+            return false;
+        }
+        return reply.readBool();
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
@@ -1346,7 +1358,8 @@
         case GET_OFFLOAD_FORMATS_A2DP:
         case LIST_AUDIO_VOLUME_GROUPS:
         case GET_VOLUME_GROUP_FOR_ATTRIBUTES:
-        case SET_RTT_ENABLED: {
+        case SET_RTT_ENABLED:
+        case IS_CALL_SCREEN_MODE_SUPPORTED: {
             if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
                 ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
                       __func__, code, IPCThreadState::self()->getCallingPid(),
@@ -2237,7 +2250,6 @@
             reply->writeBool(isSupported);
             return NO_ERROR;
         }
-
         case SET_UID_DEVICE_AFFINITY: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             const uid_t uid = (uid_t) data.readInt32();
@@ -2369,6 +2381,13 @@
             return NO_ERROR;
         }
 
+        case IS_CALL_SCREEN_MODE_SUPPORTED: {
+            CHECK_INTERFACE(IAudioPolicyService, data, reply);
+            bool isAvailable = isCallScreenModeSupported();
+            reply->writeBool(isAvailable);
+            return NO_ERROR;
+        }
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 09e80b2..4fadd09 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -396,6 +396,8 @@
 
     static status_t setRttEnabled(bool enabled);
 
+    static bool     isCallScreenModeSupported();
+
     // ----------------------------------------------------------------------------
 
     class AudioVolumeGroupCallback : public RefBase
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 32275cf..df4ebfa 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -222,6 +222,8 @@
                                                        volume_group_t &volumeGroup) = 0;
 
     virtual status_t setRttEnabled(bool enabled) = 0;
+
+    virtual bool     isCallScreenModeSupported() = 0;
 };
 
 
diff --git a/media/libmediahelper/TypeConverter.cpp b/media/libmediahelper/TypeConverter.cpp
index 5be78d1..817aadf 100644
--- a/media/libmediahelper/TypeConverter.cpp
+++ b/media/libmediahelper/TypeConverter.cpp
@@ -325,6 +325,7 @@
     MAKE_STRING_FROM_ENUM(AUDIO_MODE_RINGTONE),
     MAKE_STRING_FROM_ENUM(AUDIO_MODE_IN_CALL),
     MAKE_STRING_FROM_ENUM(AUDIO_MODE_IN_COMMUNICATION),
+    MAKE_STRING_FROM_ENUM(AUDIO_MODE_CALL_SCREEN),
     TERMINATOR
 };
 
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 0d3e614..6c9588b 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -270,6 +270,8 @@
 
     virtual status_t getVolumeGroupFromAudioAttributes(const AudioAttributes &aa,
                                                        volume_group_t &volumeGroup) = 0;
+
+    virtual bool     isCallScreenModeSupported() = 0;
 };
 
 
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioPolicyConfig.h b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyConfig.h
index 56596f5..e59386f 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioPolicyConfig.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyConfig.h
@@ -45,7 +45,8 @@
           mAvailableOutputDevices(availableOutputDevices),
           mAvailableInputDevices(availableInputDevices),
           mDefaultOutputDevice(defaultOutputDevice),
-          mIsSpeakerDrcEnabled(false)
+          mIsSpeakerDrcEnabled(false),
+          mIsCallScreenModeSupported(false)
     {}
 
     const std::string& getSource() const {
@@ -95,6 +96,14 @@
         mIsSpeakerDrcEnabled = isSpeakerDrcEnabled;
     }
 
+    bool isCallScreenModeSupported() const { return mIsCallScreenModeSupported; }
+
+    void setCallScreenModeSupported(bool isCallScreenModeSupported)
+    {
+        mIsCallScreenModeSupported = isCallScreenModeSupported;
+    }
+
+
     const HwModuleCollection getHwModules() const { return mHwModules; }
 
     const DeviceVector &getAvailableInputDevices() const
@@ -189,6 +198,7 @@
     // DEVICE_CATEGORY_SPEAKER path to boost soft sounds, used to adjust volume curves accordingly.
     // Note: remove also speaker_drc_enabled from global configuration of XML config file.
     bool mIsSpeakerDrcEnabled;
+    bool mIsCallScreenModeSupported;
     SurroundFormats mSurroundFormats;
 };
 
diff --git a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
index 3b27cf6..7e26bc9 100644
--- a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
@@ -199,6 +199,7 @@
     struct Attributes
     {
         static constexpr const char *speakerDrcEnabled = "speaker_drc_enabled";
+        static constexpr const char *callScreenModeSupported= "call_screen_mode_supported";
     };
 
     static status_t deserialize(const xmlNode *root, AudioPolicyConfig *config);
@@ -685,14 +686,17 @@
 {
     for (const xmlNode *cur = root->xmlChildrenNode; cur != NULL; cur = cur->next) {
         if (!xmlStrcmp(cur->name, reinterpret_cast<const xmlChar*>(tag))) {
-            std::string speakerDrcEnabled =
-                    getXmlAttribute(cur, Attributes::speakerDrcEnabled);
-            bool isSpeakerDrcEnabled;
-            if (!speakerDrcEnabled.empty() &&
-                    convertTo<std::string, bool>(speakerDrcEnabled, isSpeakerDrcEnabled)) {
-                config->setSpeakerDrcEnabled(isSpeakerDrcEnabled);
+            bool value;
+            std::string attr = getXmlAttribute(cur, Attributes::speakerDrcEnabled);
+            if (!attr.empty() &&
+                    convertTo<std::string, bool>(attr, value)) {
+                config->setSpeakerDrcEnabled(value);
             }
-            return NO_ERROR;
+            attr = getXmlAttribute(cur, Attributes::callScreenModeSupported);
+            if (!attr.empty() &&
+                    convertTo<std::string, bool>(attr, value)) {
+                config->setCallScreenModeSupported(value);
+            }
         }
     }
     return NO_ERROR;
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 3223530..dc34cc7 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -4207,6 +4207,12 @@
     return false;
 }
 
+bool AudioPolicyManager::isCallScreenModeSupported()
+{
+    return getConfig().isCallScreenModeSupported();
+}
+
+
 status_t AudioPolicyManager::disconnectAudioSource(const sp<SourceClientDescriptor>& sourceDesc)
 {
     ALOGV("%s port Id %d", __FUNCTION__, sourceDesc->portId());
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 707e4b0..bd4662a 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -306,6 +306,8 @@
             return volumeGroup != VOLUME_GROUP_NONE ? NO_ERROR : BAD_VALUE;
         }
 
+        bool isCallScreenModeSupported() override;
+
         status_t initialize();
 
 protected:
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 875f51d..10355bf 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -1329,4 +1329,15 @@
     return NO_ERROR;
 }
 
+bool AudioPolicyService::isCallScreenModeSupported()
+{
+    if (mAudioPolicyManager == NULL) {
+        ALOGW("%s, mAudioPolicyManager == NULL", __func__);
+        return false;
+    }
+    Mutex::Autolock _l(mLock);
+    AutoCallerClear acc;
+    return mAudioPolicyManager->isCallScreenModeSupported();
+}
+
 } // namespace android
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 17e0437..2bd02c8 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -259,6 +259,8 @@
 
     virtual status_t setRttEnabled(bool enabled);
 
+            bool isCallScreenModeSupported() override;
+
             status_t doStopOutput(audio_port_handle_t portId);
             void doReleaseOutput(audio_port_handle_t portId);