| /* |
| * Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| */ |
| |
| /* PCBEEP interface for Chrome OS verified boot */ |
| |
| #ifndef CHROMEOS_PCBEEP_H_ |
| #define CHROMEOS_PCBEEP_H_ |
| |
| /* Beep control */ |
| |
| /* |
| * Start the beep |
| * |
| * @param frequency The frequency of the beep in Hz |
| */ |
| void enable_beep(uint32_t frequency); |
| |
| /* |
| * Stop the beep |
| */ |
| void disable_beep(void); |
| |
| #endif /* CHROMEOS_PCBEEP_H_ */ |
