timed_output.h revision cb75d53231ee7c7f01ff9c32da6c3b3623cc26c4
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
19struct 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
34int timed_output_dev_register(struct timed_output_dev *dev);
35void timed_output_dev_unregister(struct timed_output_dev *dev);
36
37#endif
38