zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/sound/usb/caiaq/control.h b/ap/os/linux/linux-3.4.x/sound/usb/caiaq/control.h
new file mode 100644
index 0000000..2e7ab1a
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/sound/usb/caiaq/control.h
@@ -0,0 +1,6 @@
+#ifndef CAIAQ_CONTROL_H
+#define CAIAQ_CONTROL_H
+
+int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev);
+
+#endif /* CAIAQ_CONTROL_H */