diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index c1609c9..70f947d 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
Valid type values : 0x00 = Interim
0x01 = Changed
- Opcode 0x81 - Get Play Status notification
- Opcode 0x82 - List Player Application Attributes notification
+ Opcode 0x81 - Remote Features notification
+
+ Notification parameters: Remote address (6 octets)
+ Features (1 octet)
+
+ Valid features values : 0x00 = None
+ 0x01 = Metadata
+ 0x02 = Absolute Volume
+ 0x03 = Browse
+
+ Opcode 0x82 - Get Play Status notification
+ Opcode 0x83 - List Player Application Attributes notification
...
diff --git a/android/hal-msg.h b/android/hal-msg.h
index ca1f6b5..f6cdf58 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
uint8_t len;
uint8_t data[0];
} __attribute__((packed));
+
+#define HAL_EV_AVRCP_REMOTE_FEATURES 0x81
+struct hal_ev_avrcp_remote_features {
+ uint8_t bdaddr[6];
+ uint8_t features;
+} __attribute__((packed));