__WM8994_H macro
@file wm8994.h @author MCD Application Team This file contains all the functions prototypes for the wm8994.c driver. @attention Copyright (c) 2016 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.