diff options
| author | Matthew Garrett <mjg59@srcf.ucam.org> | 2008-08-26 21:09:59 +0100 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-09-01 02:42:54 +0400 |
| commit | 942ed161944b3476639916cf544e6975b29c985a (patch) | |
| tree | a05e3bd0d6b59de318f3bfc5557502c13dde1bc4 /drivers/macintosh/windfarm_pm81.c | |
| parent | e82374fd1a804e197fc2a54c3930e70c5d300abc (diff) | |
power_supply: Add function to return system-wide power state
Certain drivers benefit from knowing whether the system is on ac or
battery, for instance when determining which backlight registers to
read. This adds a simple call to determine whether there's an online
power supply other than any batteries.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/macintosh/windfarm_pm81.c')
0 files changed, 0 insertions, 0 deletions