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32 lines
788 B
32 lines
788 B
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Delay/beep functions used in dev-mode kernel selection.
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*/
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#ifndef VBOOT_REFERENCE_VBOOT_AUDIO_H_
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#define VBOOT_REFERENCE_VBOOT_AUDIO_H_
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#include "vboot_api.h"
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typedef struct VbAudioContext VbAudioContext;
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/**
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* Initialization function. Returns context for processing dev-mode delay.
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*/
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VbAudioContext *VbAudioOpen(VbCommonParams *cparams);
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/**
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* Caller should loop without extra delay until this returns false.
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*/
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int VbAudioLooping(VbAudioContext *audio);
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/**
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* Caller should call this prior to booting.
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*/
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void VbAudioClose(VbAudioContext *audio);
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#endif /* VBOOT_REFERENCE_VBOOT_AUDIO_H_ */
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