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List:       kde-bugs-dist
Subject:    [Bug 45475] kmix should close /dev/mixer when idle
From:       Koos Vriezen <koos.vriezen () xs4all ! nl>
Date:       2006-04-17 12:02:50
Message-ID: 20060417120250.27698.qmail () ktown ! kde ! org
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http://bugs.kde.org/show_bug.cgi?id=45475         




------- Additional Comments From koos.vriezen xs4all nl  2006-04-17 14:02 -------
I wonder why this isn't enabled for DBUS. If I do (on the KDE-3.5 branch)

--- mixerIface.h        (revision 530679)
+++ mixerIface.h        (working copy)
 @ -98,6 +98,16  @
     */
    virtual QString mixerName()=0;

+   /**
+    * Open/grab the mixer for further intraction
+    */
+   virtual int open()=0;
+
+   /**
+    * Close/release the mixer
+    */
+   virtual int close()=0;
+
 };

 #endif

it already works. Ie. I can do
 dcop kicker Mixer0 close
which releases the module (atleast 'fuser /dev/snd/controlC0' shows no users anymore) \
and  dcop kicker Mixer0 open
to reopen.

Of course this isn ´t very user friendly, one has to write scripts, but when hit by \
this bug, that ´s even worse. In my case when calling  ´hibernate ´ in the laptop \
daemon, kicker goes wild and writes my disk full with   kmix: Mixer_ALSA::poll() , \
Error: poll() returns POLLNVAL lines (seems to be from my webcam microphone, but not \
sure).

What do you think of this, is it save enough for the 3.5 branch to include?


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