2 * pm_wakeup.h - Power management wakeup interface
4 * Copyright (C) 2008 Alan Stern
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef _LINUX_PM_WAKEUP_H
22 #define _LINUX_PM_WAKEUP_H
25 # error "please don't include this file directly"
30 /* changes to device_may_wakeup take effect on the next pm state change.
31 * by default, devices should wakeup if they can.
33 static inline void device_init_wakeup(struct device
*dev
, int val
)
35 dev
->power
.can_wakeup
= dev
->power
.should_wakeup
= !!val
;
38 static inline void device_set_wakeup_capable(struct device
*dev
, int val
)
40 dev
->power
.can_wakeup
= !!val
;
43 static inline int device_can_wakeup(struct device
*dev
)
45 return dev
->power
.can_wakeup
;
48 static inline void device_set_wakeup_enable(struct device
*dev
, int val
)
50 dev
->power
.should_wakeup
= !!val
;
53 static inline int device_may_wakeup(struct device
*dev
)
55 return dev
->power
.can_wakeup
&& dev
->power
.should_wakeup
;
58 #else /* !CONFIG_PM */
60 /* For some reason the next two routines work even without CONFIG_PM */
61 static inline void device_init_wakeup(struct device
*dev
, int val
)
63 dev
->power
.can_wakeup
= !!val
;
66 static inline void device_set_wakeup_capable(struct device
*dev
, int val
) { }
68 static inline int device_can_wakeup(struct device
*dev
)
70 return dev
->power
.can_wakeup
;
73 #define device_set_wakeup_enable(dev, val) do {} while (0)
74 #define device_may_wakeup(dev) 0
76 #endif /* !CONFIG_PM */
78 #endif /* _LINUX_PM_WAKEUP_H */
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