diff options
author | Mark Brown <broonie@sirena.org.uk> | 2013-06-14 17:42:49 +0100 |
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committer | Mark Brown <broonie@sirena.org.uk> | 2013-06-14 17:42:49 +0100 |
commit | c4d0a06860b8ade51836f07ae050245f9059c6d6 (patch) | |
tree | 88931d8ccb3cc94bb2a895149ff18dfc448e3324 /include/linux/wakelock.h | |
parent | ebb7c3b1a10a2cd3986f2db60612d2c6fbb915ab (diff) | |
parent | 1f76bce8544acd38f7bb1e822540f8ca521e1b7f (diff) |
Merge remote-tracking branch 'jstultz-android/linaro-fixes/experimental/android-3.9' into merge-androidlsk-android-2013.06
Conflicts:
arch/arm/common/Makefile
arch/arm/include/asm/irq.h
arch/arm/include/asm/smp.h
arch/arm/kernel/smp.c
Diffstat (limited to 'include/linux/wakelock.h')
-rw-r--r-- | include/linux/wakelock.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/wakelock.h b/include/linux/wakelock.h new file mode 100644 index 00000000000..f4a698a2288 --- /dev/null +++ b/include/linux/wakelock.h @@ -0,0 +1,67 @@ +/* include/linux/wakelock.h + * + * Copyright (C) 2007-2012 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_WAKELOCK_H +#define _LINUX_WAKELOCK_H + +#include <linux/ktime.h> +#include <linux/device.h> + +/* A wake_lock prevents the system from entering suspend or other low power + * states when active. If the type is set to WAKE_LOCK_SUSPEND, the wake_lock + * prevents a full system suspend. + */ + +enum { + WAKE_LOCK_SUSPEND, /* Prevent suspend */ + WAKE_LOCK_TYPE_COUNT +}; + +struct wake_lock { + struct wakeup_source ws; +}; + +static inline void wake_lock_init(struct wake_lock *lock, int type, + const char *name) +{ + wakeup_source_init(&lock->ws, name); +} + +static inline void wake_lock_destroy(struct wake_lock *lock) +{ + wakeup_source_trash(&lock->ws); +} + +static inline void wake_lock(struct wake_lock *lock) +{ + __pm_stay_awake(&lock->ws); +} + +static inline void wake_lock_timeout(struct wake_lock *lock, long timeout) +{ + __pm_wakeup_event(&lock->ws, jiffies_to_msecs(timeout)); +} + +static inline void wake_unlock(struct wake_lock *lock) +{ + __pm_relax(&lock->ws); +} + +static inline int wake_lock_active(struct wake_lock *lock) +{ + return lock->ws.active; +} + +#endif |