1 /* include/linux/timed_output.h
2  *
3  * Copyright (C) 2008 Google, Inc.
4  *
5  * This software is licensed under the terms of the GNU General Public
6  * License version 2, as published by the Free Software Foundation, and
7  * may be copied, distributed, and modified under those terms.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14 */
15 
16 #ifndef _LINUX_TIMED_OUTPUT_H
17 #define _LINUX_TIMED_OUTPUT_H
18 
19 struct timed_output_dev {
20 	const char	*name;
21 
22 	/* enable the output and set the timer */
23 	void	(*enable)(struct timed_output_dev *sdev, int timeout);
24 
25 	/* returns the current number of milliseconds remaining on the timer */
26 	int		(*get_time)(struct timed_output_dev *sdev);
27 
28 	/* private data */
29 	struct device	*dev;
30 	int		index;
31 	int		state;
32 };
33 
34 extern int timed_output_dev_register(struct timed_output_dev *dev);
35 extern void timed_output_dev_unregister(struct timed_output_dev *dev);
36 
37 #endif
38