diff --git a/include/hardware/bt_rc.h b/include/hardware/bt_rc.h
index 9b6ac1d..71a8901 100644
--- a/include/hardware/bt_rc.h
+++ b/include/hardware/bt_rc.h
@@ -417,6 +417,43 @@
 typedef void (* btrc_add_to_now_playing_callback) (uint8_t scope,
                 uint8_t* uid, uint16_t  uid_counter, bt_bdaddr_t *bd_addr);
 
+/** Callback for set addressed player response on TG **/
+typedef void (* btrc_set_addressed_player_callback) (uint16_t player_id, bt_bdaddr_t *bd_addr);
+
+/** Callback for set browsed player response on TG **/
+typedef void (* btrc_set_browsed_player_callback) (uint16_t player_id, bt_bdaddr_t *bd_addr);
+
+/** Callback for get folder items on TG
+**  num_attr: specifies the number of attributes requested in p_attr_ids
+*/
+typedef void (* btrc_get_folder_items_callback) (uint8_t scope, uint32_t start_item,
+              uint32_t end_item, uint8_t num_attr, uint32_t *p_attr_ids, bt_bdaddr_t *bd_addr);
+
+/** Callback for changing browsed path on TG **/
+typedef void (* btrc_change_path_callback) (uint8_t direction,
+                uint8_t* folder_uid, bt_bdaddr_t *bd_addr);
+
+/** Callback to fetch the get item attributes of the media item
+**  num_attr: specifies the number of attributes requested in p_attrs
+*/
+typedef void (* btrc_get_item_attr_callback) (uint8_t scope, uint8_t* uid, uint16_t uid_counter,
+                uint8_t num_attr, btrc_media_attr_t *p_attrs, bt_bdaddr_t *bd_addr);
+
+/** Callback for play request for the media item indicated by an identifier */
+typedef void (* btrc_play_item_callback) (uint8_t scope,
+                uint16_t uid_counter, uint8_t* uid, bt_bdaddr_t *bd_addr);
+
+/** Callback to fetch total number of items from a folder **/
+typedef void (* btrc_get_total_num_of_items_callback) (uint8_t scope, bt_bdaddr_t *bd_addr);
+
+/** Callback for conducting recursive search on a current browsed path for a specified string */
+typedef void (* btrc_search_callback) (uint16_t charset_id,
+                uint16_t str_len, uint8_t* p_str, bt_bdaddr_t *bd_addr);
+
+/** Callback to add a specified media item indicated by an identifier to now playing queue. */
+typedef void (* btrc_add_to_now_playing_callback) (uint8_t scope,
+                uint8_t* uid, uint16_t  uid_counter, bt_bdaddr_t *bd_addr);
+
 /** BT-RC Target callback structure. */
 typedef struct {
     /** set to sizeof(BtRcCallbacks) */
@@ -592,6 +629,7 @@
                                                             btrc_play_status_t play_status);
 
 typedef void (* btrc_ctrl_get_folder_items_callback )(bt_bdaddr_t *bd_addr,
+                                                            btrc_status_t status,
                                                             const btrc_folder_items_t *folder_items,
                                                             uint8_t count);
 
@@ -599,6 +637,7 @@
 
 typedef void (* btrc_ctrl_set_browsed_player_callback )(
     bt_bdaddr_t *bd_addr, uint8_t num_items, uint8_t depth);
+typedef void (* btrc_ctrl_set_addressed_player_callback)(bt_bdaddr_t *bd_addr, uint8_t status);
 /** BT-RC Controller callback structure. */
 typedef struct {
     /** set to sizeof(BtRcCallbacks) */
@@ -618,6 +657,7 @@
     btrc_ctrl_get_folder_items_callback                         get_folder_items_cb;
     btrc_ctrl_change_path_callback                              change_folder_path_cb;
     btrc_ctrl_set_browsed_player_callback                       set_browsed_player_cb;
+    btrc_ctrl_set_addressed_player_callback                     set_addressed_player_cb;
 } btrc_ctrl_callbacks_t;
 
 /** Represents the standard BT-RC AVRCP Controller interface. */
@@ -646,6 +686,9 @@
     bt_status_t (*play_item_cmd) (
         bt_bdaddr_t *bd_addr, uint8_t scope, uint8_t *uid, uint16_t uid_counter);
 
+    /** get the playback state */
+    bt_status_t (*get_playback_state_cmd) (bt_bdaddr_t *bd_addr);
+
     /** get the now playing list */
     bt_status_t (*get_now_playing_list_cmd) (bt_bdaddr_t *bd_addr, uint8_t start, uint8_t items);
 
@@ -661,6 +704,9 @@
     /** set browsed player */
     bt_status_t (*set_browsed_player_cmd) (bt_bdaddr_t *bd_addr, uint16_t player_id);
 
+    /** set addressed player */
+    bt_status_t (*set_addressed_player_cmd) (bt_bdaddr_t *bd_addr, uint16_t player_id);
+
     /** send rsp to set_abs_vol received from target */
     bt_status_t (*set_volume_rsp) (bt_bdaddr_t *bd_addr, uint8_t abs_vol, uint8_t label);