diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index 2570023..09916b2 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1817,6 +1817,12 @@ Android HAL name: "gatt" (BT_PROFILE_GATT_ID)
 		                         Address (6 octets)
 
 	Opcode 0x84 - Disconnect Device notification
+
+		Notification parameters: Connection ID (4 octets)
+		                         Status (4 octets)
+		                         Client Interface (4 octets)
+		                         Address (6 octets)
+
 	Opcode 0x85 - Search Complete notification
 	Opcode 0x86 - Search Result notification
 	Opcode 0x87 - Get Characteristic notification
diff --git a/android/hal-msg.h b/android/hal-msg.h
index 0f7c193..4e36457 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -1247,3 +1247,11 @@ struct hal_ev_gatt_client_connect {
 	int32_t client_if;
 	uint8_t bda[6];
 } __attribute__((packed));
+
+#define HAL_EV_GATT_CLIENT_DISCONNECT	0x84
+struct hal_ev_gatt_client_disconnect {
+	int32_t conn_id;
+	int32_t status;
+	int32_t client_if;
+	uint8_t bda[6];
+} __attribute__((packed));