[Bug 306165] [NEW] kmix main mute has no effect, unlike in alsamixer

[Duncan Sands]

Public bug reported:

Binary package hint: kdemultimedia

Description:    Ubuntu 8.10
Release:        8.10

If I click the kmix applet and try to unmute the main channel (called "Speaker"),
then the tick disappears from the mute button, but sound is not unmuted.  If
I open the kmix mixer window, the Speaker channel is still shown as muted.
I can toggle the muted button in the mixer window and it has no effect on the
muted setting in the applet's menu; it also doesn't unmute sound.  In alsamixer
there is also a Speaker channel, and I can successfully mute/unmute sound
using it.

I systematically tried changing sound levels and muting/unmuting for all channels
in kmix, and watching what happened in alsamixer.  For all channels except
Speaker any changes in kmix were immediately reflected in alsamixer.  So
it seems that only Speaker has a problem.  Note that Speaker has no volume
slider, it is only mute/unmute.

Card: HDA Intel
Chip: Realtek ALC889A

$ kmix --version
Qt: 4.4.3
KDE: 4.1.2 (KDE 4.1.2)
KMix: 3.0

** Affects: kdemultimedia (Ubuntu)
     Importance: Undecided
         Status: New

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kmix main mute has no effect, unlike in alsamixer
https://bugs.launchpad.net/bugs/306165
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