LCOV - code coverage report
Current view: top level - include/linux - pm_wakeup.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1 3 33.3 %
Date: 2017-01-25 Functions: 1 2 50.0 %

          Line data    Source code
       1             : /*
       2             :  *  pm_wakeup.h - Power management wakeup interface
       3             :  *
       4             :  *  Copyright (C) 2008 Alan Stern
       5             :  *
       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.
      10             :  *
      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.
      15             :  *
      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
      19             :  */
      20             : 
      21             : #ifndef _LINUX_PM_WAKEUP_H
      22             : #define _LINUX_PM_WAKEUP_H
      23             : 
      24             : #ifndef _DEVICE_H_
      25             : # error "please don't include this file directly"
      26             : #endif
      27             : 
      28             : #ifdef CONFIG_PM
      29             : 
      30             : /* changes to device_may_wakeup take effect on the next pm state change.
      31             :  * by default, devices should wakeup if they can.
      32             :  */
      33             : static inline void device_init_wakeup(struct device *dev, int val)
      34             : {
      35             :         dev->power.can_wakeup = dev->power.should_wakeup = !!val;
      36             : }
      37             : 
      38             : static inline void device_set_wakeup_capable(struct device *dev, int val)
      39             : {
      40             :         dev->power.can_wakeup = !!val;
      41             : }
      42             : 
      43             : static inline int device_can_wakeup(struct device *dev)
      44             : {
      45             :         return dev->power.can_wakeup;
      46             : }
      47             : 
      48             : static inline void device_set_wakeup_enable(struct device *dev, int val)
      49             : {
      50             :         dev->power.should_wakeup = !!val;
      51             : }
      52             : 
      53             : static inline int device_may_wakeup(struct device *dev)
      54             : {
      55             :         return dev->power.can_wakeup && dev->power.should_wakeup;
      56             : }
      57             : 
      58             : #else /* !CONFIG_PM */
      59             : 
      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)
      62             : {
      63           0 :         dev->power.can_wakeup = !!val;
      64           0 : }
      65             : 
      66             : static inline void device_set_wakeup_capable(struct device *dev, int val) { }
      67             : 
      68           2 : static inline int device_can_wakeup(struct device *dev)
      69             : {
      70             :         return dev->power.can_wakeup;
      71             : }
      72             : 
      73             : #define device_set_wakeup_enable(dev, val)      do {} while (0)
      74             : #define device_may_wakeup(dev)                  0
      75             : 
      76             : #endif /* !CONFIG_PM */
      77             : 
      78             : #endif /* _LINUX_PM_WAKEUP_H */

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