ladybird/Kernel/Devices/PCSpeaker.h

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
class PCSpeaker {
public:
static void tone_on(int frequency);
static void tone_off();
};