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| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2008-08-02 14:56:25 -0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-08-18 11:05:12 -0400 |
| commit | e10e0dfe3ba358cfb442cc3bf0d3f2068785bf5c (patch) | |
| tree | 9921c44240e39f07bf825ede5777f72fbdfe40d0 /Documentation | |
| parent | aaa1553512b9105699113ea7e2ea726f3d9d4de2 (diff) | |
| download | lwn-e10e0dfe3ba358cfb442cc3bf0d3f2068785bf5c.tar.gz lwn-e10e0dfe3ba358cfb442cc3bf0d3f2068785bf5c.zip | |
rfkill: protect suspended rfkill controllers
Guard rfkill controllers attached to a rfkill class against state changes
after class suspend has been issued.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/rfkill.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/rfkill.txt b/Documentation/rfkill.txt index 28b6ec87c642..6fcb3060dec5 100644 --- a/Documentation/rfkill.txt +++ b/Documentation/rfkill.txt @@ -363,6 +363,11 @@ This rule exists because users of the rfkill subsystem expect to get (and set, when possible) the overall transmitter rfkill state, not of a particular rfkill line. +5. During suspend, the rfkill class will attempt to soft-block the radio +through a call to rfkill->toggle_radio, and will try to restore its previous +state during resume. After a rfkill class is suspended, it will *not* call +rfkill->toggle_radio until it is resumed. + Example of a WLAN wireless driver connected to the rfkill subsystem: -------------------------------------------------------------------- |