diff --git a/include/hardware/hdmi_cec.h b/include/hardware/hdmi_cec.h
index 1906153..0b724a1 100644
--- a/include/hardware/hdmi_cec.h
+++ b/include/hardware/hdmi_cec.h
@@ -91,7 +91,7 @@
     CEC_MESSAGE_TIMER_CLEARED_STATUS = 0x043,
     CEC_MESSAGE_USER_CONTROL_PRESSED = 0x44,
     CEC_MESSAGE_USER_CONTROL_RELEASED = 0x45,
-    CEC_MESSAGE_GET_OSD_NAME = 0x46,
+    CEC_MESSAGE_GIVE_OSD_NAME = 0x46,
     CEC_MESSAGE_SET_OSD_NAME = 0x47,
     CEC_MESSAGE_SET_OSD_STRING = 0x64,
     CEC_MESSAGE_SET_TIMER_PROGRAM_TITLE = 0x67,
@@ -129,6 +129,12 @@
     CEC_MESSAGE_VENDOR_COMMAND_WITH_ID = 0xA0,
     CEC_MESSAGE_CLEAR_EXTERNAL_TIMER = 0xA1,
     CEC_MESSAGE_SET_EXTERNAL_TIMER = 0xA2,
+    CEC_MESSAGE_INITIATE_ARC = 0xC0,
+    CEC_MESSAGE_REPORT_ARC_INITIATED = 0xC1,
+    CEC_MESSAGE_REPORT_ARC_TERMINATED = 0xC2,
+    CEC_MESSAGE_REQUEST_ARC_INITIATION = 0xC3,
+    CEC_MESSAGE_REQUEST_ARC_TERMINATION = 0xC4,
+    CEC_MESSAGE_TERMINATE_ARC = 0xC5,
     CEC_MESSAGE_ABORT = 0xFF
 };