android_kernel_samsung_hero.../include/linux/external_notify.h
2016-08-17 16:41:52 +08:00

62 lines
2 KiB
C

/*
* include/linux/external_notify.h
*
* header file supporting usb notify layer
* external notify call chain information
*
* Copyright (C) 2016 Samsung Electronics
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __EXTERNAL_NOTIFY_H__
#define __EXTERNAL_NOTIFY_H__
#include <linux/notifier.h>
/* external notifier call chain command */
enum external_notify_cmd {
EXTERNAL_NOTIFY_3S_NODEVICE = 1,
EXTERNAL_NOTIFY_DEVICE_CONNECT,
};
/* external notifier call sequence,
* largest priority number device will be called first. */
enum external_notify_device {
EXTERNAL_NOTIFY_DEV_MUIC,
EXTERNAL_NOTIFY_DEV_CHARGER,
};
enum external_notify_status {
EXTERNAL_NOTIFY_DISABLE = 0,
EXTERNAL_NOTIFY_ENABLE,
};
#ifdef CONFIG_USB_EXTERNAL_NOTIFY
extern int send_external_notify(unsigned long cmd, int enable);
extern int usb_external_notify_register(struct notifier_block *nb,
notifier_fn_t notifier, int listener);
extern int usb_external_notify_unregister(struct notifier_block *nb);
#else
static inline int send_external_notify(unsigned long cmd,
int enable) {return 0; }
static inline int usb_external_notify_register(struct notifier_block *nb,
notifier_fn_t notifier, int listener) {return 0; }
static inline int usb_external_notify_unregister(struct notifier_block *nb)
{return 0; }
#endif
#endif /* __EXTERNAL_NOTIFY_H__ */