diff options
Diffstat (limited to 'firmware/lib/vboot_audio.c')
-rw-r--r-- | firmware/lib/vboot_audio.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/firmware/lib/vboot_audio.c b/firmware/lib/vboot_audio.c deleted file mode 100644 index c2c599bf..00000000 --- a/firmware/lib/vboot_audio.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright (c) 2013 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. - * - * Delay/beep functions used in dev-mode kernel selection. - */ - -#include "2api.h" -#include "2common.h" -#include "2misc.h" -#include "2sysincludes.h" -#include "vboot_api.h" -#include "vboot_audio.h" - -int audio_open_count = 0; /* Times audio has been opened */ -static int audio_use_short; /* Use short delay? */ -static uint32_t open_time; /* Time of last open */ -static int beep_count; /* Number of beeps so far */ - -/** - * Initialization function. - */ -void vb2_audio_start(struct vb2_context *ctx) -{ - open_time = vb2ex_mtime(); /* "zero" starts now */ - beep_count = 0; - - if (vb2api_use_short_dev_screen_delay(ctx) && - (audio_open_count++ == 0)) { - VB2_DEBUG("vb2_audio_start() - using short dev screen delay\n"); - audio_use_short = 1; - } else { - audio_use_short = 0; - } -} - -/** - * Caller should loop without extra delay until this returns false. - */ -int vb2_audio_looping(void) -{ - uint32_t now = vb2ex_mtime() - open_time; - - /* If we're using short delay, wait 2 seconds and don't beep */ - if (audio_use_short) - return now < 2 * VB2_MSEC_PER_SEC; - - /* Otherwise, beep at 20 and 20.5 seconds */ - if ((beep_count == 0 && now > 20 * VB2_MSEC_PER_SEC) || - (beep_count == 1 && now > 20 * VB2_MSEC_PER_SEC + 500)) { - vb2ex_beep(250, 400); - beep_count++; - } - - /* Stop after 30 seconds */ - return (now < 30 * VB2_MSEC_PER_SEC); -} |