diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index 535e880..99ecede 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1373,6 +1373,13 @@ Android HAL name: "avrcp" (BT_PROFILE_AV_RC_ID)
 
 		Valid event values: Same as in Register Notification
 
+	Opcode 0x8b - Volume Changed notification
+
+		Notification parameters: Volume (1 octet)
+		                         Type (1 octet)
+
+		Valid type values: Same as in Register Notification
+
 Bluetooth GATT HAL (ID 9)
 =========================
 
diff --git a/android/hal-msg.h b/android/hal-msg.h
index a7df71a..0561894 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -932,3 +932,9 @@ struct hal_ev_avrcp_register_notification {
 	uint8_t event;
 	uint32_t param;
 } __attribute__((packed));
+
+#define HAL_EV_AVRCP_VOLUME_CHANGED		0x8b
+struct hal_ev_avrcp_volume_changed {
+	uint8_t volume;
+	uint8_t type;
+} __attribute__((packed));