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List:       kde-bugs-dist
Subject:    [Bug 45475] kmix should close /dev/mixer when idle
From:       Christian Esken <esken () kde ! org>
Date:       2003-04-26 19:00:53
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http://bugs.kde.org/show_bug.cgi?id=45475     




------- Additional Comments From esken@kde.org  2003-04-26 21:00 -------
it polls so that it can update its sliders. Otherwise there will be bug reports
like "KMix sliders are not accurate". But I just recently implemented a "stop
polling if main window is hidden" (e.g. when KMix is docked).

It would be easier now, but its probably still much work. I fear intoducing a
whole bunch of problems - because when closing and reopening a device one might
lose context information (state information that the kernel might hold like the
exact volume).

If someobody has time to experiment on this I'll be glad. But you still would
not be able to safely suspend when the Mixer window is opened. To make this
clean, KMix would need feedback directly BEFORE suftware supsend takes place. We
could have some DCOP interface, like "dcop Mixer0 stop" and "dcop Mixer0 start".
I think this would be possible. Hmmm, not high priority, but probably not that
complicated.


Chris
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