1 files changed, 4 insertions, 0 deletions
diff --git a/backends/platform/ds/arm9/source/osystem_ds.cpp b/backends/platform/ds/arm9/source/osystem_ds.cpp
index c4ff241de0..55e3be6cca 100644
--- a/backends/platform/ds/arm9/source/osystem_ds.cpp
+++ b/backends/platform/ds/arm9/source/osystem_ds.cpp
@@ -700,6 +700,10 @@ void OSystem_DS::unlockMutex(MutexRef mutex) {
 void OSystem_DS::deleteMutex(MutexRef mutex) {
 }
 
+// FIXME/TODO: The CD API as follows is *obsolete*
+// and should be replaced by an AudioCDManager subclass,
+// see backends/audiocd/ and common/system.h
+
 bool OSystem_DS::openCD(int drive) {
 	return DS::CD::checkCD();
 }