| commit | 942ed161944b3476639916cf544e6975b29c985a | [log] [tgz] |
|---|---|---|
| author | Matthew Garrett <mjg59@srcf.ucam.org> | Tue Aug 26 21:09:59 2008 +0100 |
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | Mon Sep 01 02:42:54 2008 +0400 |
| tree | a05e3bd0d6b59de318f3bfc5557502c13dde1bc4 | |
| 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>