drivers/misc/mediatek/vibrator/timed_output.h

   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