diff options
| author | Ruchi Kandoi <kandoiruchi@google.com> | 2014-02-19 15:30:47 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2016-02-16 13:53:35 -0800 |
| commit | abcb8499acaef3fa9d650bea13272b01e90ffa7e (patch) | |
| tree | e54f0835b70bc89456484c59fc0865b0d3ba8094 /include/linux | |
| parent | 1eff8f99f9f9418d399fb41c234a4e2675bc7e87 (diff) | |
Power: add an API to log wakeup reasons
Add API log_wakeup_reason() and expose it to userspace via sysfs path
/sys/kernel/wakeup_reasons/last_resume_reason
Change-Id: I81addaf420f1338255c5d0638b0d244a99d777d1
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/wakeup_reason.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/wakeup_reason.h b/include/linux/wakeup_reason.h new file mode 100644 index 000000000000..7ce50f0debc4 --- /dev/null +++ b/include/linux/wakeup_reason.h @@ -0,0 +1,23 @@ +/* + * include/linux/wakeup_reason.h + * + * Logs the reason which caused the kernel to resume + * from the suspend mode. + * + * Copyright (C) 2014 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_WAKEUP_REASON_H +#define _LINUX_WAKEUP_REASON_H + +void log_wakeup_reason(int irq); + +#endif /* _LINUX_WAKEUP_REASON_H */ |