diff --git a/services/usb/java/com/android/server/usb/descriptors/UsbACMidi10Endpoint.java b/services/usb/java/com/android/server/usb/descriptors/UsbACMidi10Endpoint.java
index 49b9d7b30d297..d367f9938aef9 100644
--- a/services/usb/java/com/android/server/usb/descriptors/UsbACMidi10Endpoint.java
+++ b/services/usb/java/com/android/server/usb/descriptors/UsbACMidi10Endpoint.java
@@ -62,6 +62,9 @@ public final class UsbACMidi10Endpoint extends UsbACEndpoint {
                 + " Length: " + getLength());
         canvas.openList();
         canvas.writeListItem("" + getNumJacks() + " Jacks.");
+        for (int i = 0; i < getNumJacks(); i++) {
+            canvas.writeListItem("Jack " + i + ": " + mJackIds[i]);
+        }
         canvas.closeList();
     }
 }
diff --git a/services/usb/java/com/android/server/usb/descriptors/UsbACMidi20Endpoint.java b/services/usb/java/com/android/server/usb/descriptors/UsbACMidi20Endpoint.java
index 1024a5bf55a68..16248b817708d 100644
--- a/services/usb/java/com/android/server/usb/descriptors/UsbACMidi20Endpoint.java
+++ b/services/usb/java/com/android/server/usb/descriptors/UsbACMidi20Endpoint.java
@@ -62,6 +62,9 @@ public final class UsbACMidi20Endpoint extends UsbACEndpoint {
                 + " Length: " + getLength());
         canvas.openList();
         canvas.writeListItem("" + getNumGroupTerminals() + " Group Terminals.");
+        for (int i = 0; i < getNumGroupTerminals(); i++) {
+            canvas.writeListItem("Group Terminal " + i + ": " + mBlockIds[i]);
+        }
         canvas.closeList();
     }
 }