1 /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved. 2 * Use of this source code is governed by a BSD-style license that can be 3 * found in the LICENSE file. 4 * 5 * Delay/beep functions used in dev-mode kernel selection. 6 */ 7 8 #ifndef VBOOT_REFERENCE_VBOOT_AUDIO_H_ 9 #define VBOOT_REFERENCE_VBOOT_AUDIO_H_ 10 11 #include "vboot_api.h" 12 13 typedef struct VbAudioContext VbAudioContext; 14 15 /** 16 * Initialization function. Returns context for processing dev-mode delay. 17 */ 18 VbAudioContext *VbAudioOpen(VbCommonParams *cparams); 19 20 /** 21 * Caller should loop without extra delay until this returns false. 22 */ 23 int VbAudioLooping(VbAudioContext *audio); 24 25 /** 26 * Caller should call this prior to booting. 27 */ 28 void VbAudioClose(VbAudioContext *audio); 29 30 #endif /* VBOOT_REFERENCE_VBOOT_AUDIO_H_ */ 31 32
