My laptop Speakers Doesn't Mute then i connect the headphones on FC13

[JD]

  On 07/20/2010 08:29 AM, David A. Paredes Rios wrote:
> With the command alsamixer -c 0  i get this options:
> Master --- PCM --- Mic -- Mic Boos --- Beep --- Dock  --- Dock Mic 
> ---- Dock mic boost --- Internal mic --- Internal mic boost
>
> Nothing else with alsamixer -c0
>
I hate to be an harbinger of bad news - but...
muting the pc speakers when you plug in the headset
is done by the headset jack or soundcard itself, and
not by software. It is a mechanical event. Pusing in
the headset causes a disconnect in the loop that feeds
the speakers.