Avoid race during button-triggered DPMS

Review Request #106795 - Created Oct. 11, 2012 and submitted

Information
Oliver Henshaw
kde-workspace
Reviewers
solid
Avoid race during button-triggered DPMS

core->onResumeFromSuspend calls SimulateUserActivity from the
screensaver dbus interface. This seems to race with the subsequent call
to DPMSForceLevel so that the screen re-wakes but 'xset -q' thinks it is
off and timed dpms activation is disabled (this may be hardware dependent 
- see https://bugzilla.redhat.com/show_bug.cgi?id=864074 for details.)

PowerDevil::Core::onResumeFromSuspend used to (optionally) lock the
screen but this changed in a3b0089130145ad15173d1c14ab8a672b93aea65 -
now the call is useless at best.
Set powerbutton to turn off screen and tested that it works.
Thomas Lübking
Dario Freddi
Commit Hook
Oliver Henshaw
Review request changed

Status: Closed (submitted)

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