From 2f2bf4014a41d285e8862fd2366424a5027fb2cd Mon Sep 17 00:00:00 2001
From: Phil Burk <philburk@google.com>
Date: Tue, 5 Apr 2016 11:25:36 -0700
Subject: [PATCH] UsbMidiDevice: fix MIDI flush()

The proxy MidiReceiver in the USB device was not forwarding the flush
command to the event scheduler.

Bug: 25511696
Change-Id: I6a4759b71bc8f9ae3e20aed1238f62a2ed405e24
Signed-off-by: Phil Burk <philburk@google.com>
---
 .../usb/java/com/android/server/usb/UsbMidiDevice.java    | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/services/usb/java/com/android/server/usb/UsbMidiDevice.java b/services/usb/java/com/android/server/usb/UsbMidiDevice.java
index 38ede87d2b852..46ce7a0a1aaff 100644
--- a/services/usb/java/com/android/server/usb/UsbMidiDevice.java
+++ b/services/usb/java/com/android/server/usb/UsbMidiDevice.java
@@ -127,6 +127,14 @@ public final class UsbMidiDevice implements Closeable {
         public void setReceiver(MidiReceiver receiver) {
             mReceiver = receiver;
         }
+
+        @Override
+        public void onFlush() throws IOException {
+            MidiReceiver receiver = mReceiver;
+            if (receiver != null) {
+                receiver.flush();
+            }
+        }
     }
 
     public static UsbMidiDevice create(Context context, Bundle properties, int card, int device) {