copyright: add missing copyright headers
Add missing copyright headers to the source files. Originally, left
off. Reviewing other new sources acted as a reminder.
Change-Id: Idb2057d5b8a1bdedf69285f510f43d65c4711b3e
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/i2c.cpp b/i2c.cpp
index 0a33b65..10cf617 100644
--- a/i2c.cpp
+++ b/i2c.cpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
#include "i2c.hpp"
#include <fcntl.h>