add the 'goldfish' target, useful for experimenting with virtual phone hardware ...
[openwrt/openwrt.git] / target / linux / goldfish / patches-2.6.30 / 0065-PM-Add-early-suspend-api.patch
1 From 4f76252afe98fd017894e61c296bc61836e67a4a Mon Sep 17 00:00:00 2001
2 From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
3 Date: Fri, 26 Sep 2008 22:10:56 -0700
4 Subject: [PATCH 065/134] PM: Add early suspend api.
5
6 ---
7 include/linux/earlysuspend.h | 56 ++++++++++++++++++++++++++++++++++++++++++
8 1 files changed, 56 insertions(+), 0 deletions(-)
9 create mode 100755 include/linux/earlysuspend.h
10
11 --- /dev/null
12 +++ b/include/linux/earlysuspend.h
13 @@ -0,0 +1,56 @@
14 +/* include/linux/earlysuspend.h
15 + *
16 + * Copyright (C) 2007-2008 Google, Inc.
17 + *
18 + * This software is licensed under the terms of the GNU General Public
19 + * License version 2, as published by the Free Software Foundation, and
20 + * may be copied, distributed, and modified under those terms.
21 + *
22 + * This program is distributed in the hope that it will be useful,
23 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 + * GNU General Public License for more details.
26 + *
27 + */
28 +
29 +#ifndef _LINUX_EARLYSUSPEND_H
30 +#define _LINUX_EARLYSUSPEND_H
31 +
32 +#ifdef CONFIG_HAS_EARLYSUSPEND
33 +#include <linux/list.h>
34 +#endif
35 +
36 +/* The early_suspend structure defines suspend and resume hooks to be called
37 + * when the user visible sleep state of the system changes, and a level to
38 + * control the order. They can be used to turn off the screen and input
39 + * devices that are not used for wakeup.
40 + * Suspend handlers are called in low to high level order, resume handlers are
41 + * called in the opposite order. If, when calling register_early_suspend,
42 + * the suspend handlers have already been called without a matching call to the
43 + * resume handlers, the suspend handler will be called directly from
44 + * register_early_suspend. This direct call can violate the normal level order.
45 + */
46 +enum {
47 + EARLY_SUSPEND_LEVEL_BLANK_SCREEN = 50,
48 + EARLY_SUSPEND_LEVEL_STOP_DRAWING = 100,
49 + EARLY_SUSPEND_LEVEL_DISABLE_FB = 150,
50 +};
51 +struct early_suspend {
52 +#ifdef CONFIG_HAS_EARLYSUSPEND
53 + struct list_head link;
54 + int level;
55 + void (*suspend)(struct early_suspend *h);
56 + void (*resume)(struct early_suspend *h);
57 +#endif
58 +};
59 +
60 +#ifdef CONFIG_HAS_EARLYSUSPEND
61 +void register_early_suspend(struct early_suspend *handler);
62 +void unregister_early_suspend(struct early_suspend *handler);
63 +#else
64 +#define register_early_suspend(handler) do { } while (0)
65 +#define unregister_early_suspend(handler) do { } while (0)
66 +#endif
67 +
68 +#endif
69 +