[Pkg-alsa-devel] Bug#435752: Bug#435752: Alsa cannot mute

[Elimar Riesebieter]

On Thu, 17 Jan 2008 the mental interface of
Raúl Sánchez Siles told:

>   Hello Rafael:
> 
> El Jueves, 17 de Enero de 2008, Rafael escribió:
> > Package: kmix
> > Version: 4:3.5.8-1
> >
> > --- Please enter the report below this line. ---
> >
> > I am testing a card that does not mute this is:
> > 00:05.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev
> > 10)
> >
> > I cannot mute it using alamixer, in addiction it seems there is not mute
> > option in Master?
> > I attach  one screenshot to you can watch it.
> >
> >
> 
>   As you can see in the screenshot you've sent, there's no mute action for the 
> master channel, i.e.: there's not "00" or "MM" square below the volume bar. 
> So you can't mute it. This depends on the mixer control definitions in the 
> alsa driver for your soundcard.  Probably because your sound card just 
> doesn't have it available.
> 
>   So if you want to mute the sound you should use another channel, for example 
> PCM, in that screenshot you have the PCM channel muted, so you shouldn't hear 
> PCM sound ( the most common) as opposed to midi.
> 
>   But I think what you want is selecting in kmix another channel for master 
> rather than the real master, consider using PCM as master following these 
> steps:
> 
>  - Right click on the kmix icon on the system tray
>  - Select "Select master channel..." (Seleccionar canal maestro)
>  - Choose PCM from the list.
> 
>   I that way the kmix will use that channel for raising/lowing and muting the 
> sound.
> 
>   Please, test that.

Not done till yet so I think it is out of interest.

Elimar

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