4a11b59d82
This class is result of "external power" and "battery" classes merge,
as suggested by David Woodhouse. He also implemented uevent support.
Here how userspace seeing it now:
# ls /sys/class/power\ supply/
ac main-battery usb
# cat /sys/class/power\ supply/ac/type
AC
# cat /sys/class/power\ supply/usb/type
USB
# cat /sys/class/power\ supply/main-battery/type
Battery
# cat /sys/class/power\ supply/ac/online
1
# cat /sys/class/power\ supply/usb/online
0
# cat /sys/class/power\ supply/main-battery/status
Charging
# cat /sys/class/leds/h5400\:red-left/trigger
none h5400-radio timer hwtimer ac-online usb-online
main-battery-charging-or-full [main-battery-charging]
main-battery-full
Signed-off-by: Anton Vorontsov <cbou@mail.ru>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* Functions private to power supply class
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*
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* Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
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* Copyright © 2004 Szabolcs Gyurko
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* Copyright © 2003 Ian Molton <spyro@f2s.com>
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*
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* Modified: 2004, Oct Szabolcs Gyurko
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*
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* You may use this code as per GPL version 2
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*/
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#ifdef CONFIG_SYSFS
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extern int power_supply_create_attrs(struct power_supply *psy);
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extern void power_supply_remove_attrs(struct power_supply *psy);
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extern int power_supply_uevent(struct device *dev, char **envp, int num_envp,
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char *buffer, int buffer_size);
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#else
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static inline int power_supply_create_attrs(struct power_supply *psy)
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{ return 0; }
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static inline void power_supply_remove_attrs(struct power_supply *psy) {}
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#define power_supply_uevent NULL
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#endif /* CONFIG_SYSFS */
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#ifdef CONFIG_LEDS_TRIGGERS
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extern void power_supply_update_leds(struct power_supply *psy);
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extern int power_supply_create_triggers(struct power_supply *psy);
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extern void power_supply_remove_triggers(struct power_supply *psy);
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#else
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static inline void power_supply_update_leds(struct power_supply *psy) {}
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static inline int power_supply_create_triggers(struct power_supply *psy)
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{ return 0; }
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static inline void power_supply_remove_triggers(struct power_supply *psy) {}
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#endif /* CONFIG_LEDS_TRIGGERS */
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