diff --git a/core/LocApiBase.cpp b/core/LocApiBase.cpp
index f50d3e14..3dad37db 100644
--- a/core/LocApiBase.cpp
+++ b/core/LocApiBase.cpp
@@ -425,5 +425,11 @@ void LocApiBase::
     closeDataCall()
 DEFAULT_IMPL()
 
+int LocApiBase::
+    setGpsLock(unsigned int lock)
+DEFAULT_IMPL(-1)
 
+int LocApiBase::
+    getGpsLock()
+DEFAULT_IMPL(-1)
 } // namespace loc_core
diff --git a/core/LocApiBase.h b/core/LocApiBase.h
index 87facf1b..861b36f5 100644
--- a/core/LocApiBase.h
+++ b/core/LocApiBase.h
@@ -180,6 +180,20 @@ public:
     virtual void closeDataCall();
 
     inline virtual void setInSession(bool inSession) {}
+
+    /*Values for lock
+      1 = Do not lock any position sessions
+      2 = Lock MI position sessions
+      3 = Lock MT position sessions
+      4 = Lock all position sessions
+     */
+    virtual int setGpsLock(unsigned int lock);
+    /*
+      Returns
+      Current value of GPS Lock on success
+      -1 on failure
+     */
+    virtual int getGpsLock(void);
 };
 
 typedef LocApiBase* (getLocApi_t)(const MsgTask* msgTask,
diff --git a/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/rpc_inc/LocApiRpc.h b/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/rpc_inc/LocApiRpc.h
index 1b4f3f74..55550e74 100644
--- a/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/rpc_inc/LocApiRpc.h
+++ b/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/rpc_inc/LocApiRpc.h
@@ -115,8 +115,21 @@ public:
         atlCloseStatus(int handle, int is_succ);
     virtual enum loc_api_adapter_err
         setSUPLVersion(uint32_t version);
-
     virtual void setInSession(bool inSession);
+
+    /*Values for lock
+      1 = Do not lock any position sessions
+      2 = Lock MI position sessions
+      3 = Lock MT position sessions
+      4 = Lock all position sessions
+    */
+    virtual int setGpsLock(unsigned int lock);
+    /*
+     Returns
+     Current value of GPS Lock on success
+     -1 on failure
+     */
+    virtual int getGpsLock(void);
 };
 
 extern "C" LocApiBase* getLocApi(const MsgTask* msgTask,
diff --git a/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/src/LocApiRpc.cpp b/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/src/LocApiRpc.cpp
index 428d5a20..08474fc4 100644
--- a/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/src/LocApiRpc.cpp
+++ b/loc_api/libloc_api-rpc-50001/libloc_api-rpc-glue/src/LocApiRpc.cpp
@@ -1391,3 +1391,55 @@ LocApiBase* getLocApi(const MsgTask* msgTask,
                       LOC_API_ADAPTER_EVENT_MASK_T exMask) {
     return new LocApiRpc(msgTask, exMask);
 }
+
+/*Values for lock
+  1 = Do not lock any position sessions
+  2 = Lock MI position sessions
+  3 = Lock MT position sessions
+  4 = Lock all position sessions
+*/
+int LocApiRpc::setGpsLock(unsigned int lock)
+{
+    rpc_loc_ioctl_data_u_type    ioctl_data;
+    boolean ret_val;
+    LOC_LOGD("%s:%d]: lock: %d\n", __func__, __LINE__, lock);
+    ioctl_data.rpc_loc_ioctl_data_u_type_u.engine_lock = (rpc_loc_lock_e_type)lock;
+    ioctl_data.disc = RPC_LOC_IOCTL_SET_ENGINE_LOCK;
+    ret_val = loc_eng_ioctl (loc_eng_data.client_handle,
+                            RPC_LOC_IOCTL_SET_ENGINE_LOCK,
+                            &ioctl_data,
+                            LOC_IOCTL_DEFAULT_TIMEOUT,
+                            NULL /* No output information is expected*/);
+
+    LOC_LOGD("%s:%d]: ret_val: %d\n", __func__, __LINE__, (int)ret_val);
+    return (ret_val == TRUE ? 0 : -1);
+}
+
+/*
+  Returns
+  Current value of GPS lock on success
+  -1 on failure
+*/
+int LocApiRpc :: getGpsLock()
+{
+    rpc_loc_ioctl_data_u_type    ioctl_data;
+    rpc_loc_ioctl_callback_s_type callback_payload;
+    boolean ret_val;
+    int ret=0;
+    LOC_LOGD("%s:%d]: Enter\n", __func__, __LINE__);
+    ret_val = loc_eng_ioctl (loc_eng_data.client_handle,
+                            RPC_LOC_IOCTL_GET_ENGINE_LOCK,
+                            &ioctl_data,
+                            LOC_IOCTL_DEFAULT_TIMEOUT,
+                            &callback_payload);
+    if(ret_val == TRUE) {
+        ret = (int)callback_payload.data.engine_lock;
+        LOC_LOGD("%s:%d]: Lock type: %d\n", __func__, __LINE__, ret);
+    }
+    else {
+        LOC_LOGE("%s:%d]: Ioctl failed", __func__, __LINE__);
+        ret = -1;
+    }
+    LOC_LOGD("%s:%d]: Exit\n", __func__, __LINE__);
+    return ret;
+}
diff --git a/loc_api/libloc_api_50001/LocEngAdapter.h b/loc_api/libloc_api_50001/LocEngAdapter.h
index 6ad3ba98..53a5aca0 100644
--- a/loc_api/libloc_api_50001/LocEngAdapter.h
+++ b/loc_api/libloc_api_50001/LocEngAdapter.h
@@ -266,6 +266,26 @@ public:
     { return mNavigating; }
     inline void setInSession(bool inSession)
     { mNavigating = inSession; mLocApi->setInSession(inSession); }
+
+    /*Values for lock
+      1 = Do not lock any position sessions
+      2 = Lock MI position sessions
+      3 = Lock MT position sessions
+      4 = Lock all position sessions
+    */
+    inline int setGpsLock(unsigned int lock)
+    {
+        return mLocApi->setGpsLock(lock);
+    }
+    /*
+      Returns
+      Current value of GPS lock on success
+      -1 on failure
+     */
+    inline int getGpsLock()
+    {
+        return mLocApi->getGpsLock();
+    }
 };
 
 #endif //LOC_API_ENG_ADAPTER_H