On Tue, 2008-01-29 at 12:58 -0600, Marzan, Richard non Unisys wrote: > I tried googling around but no helpful content so far. I have a laptop > with built-in sound. It uses the HDA_intel kernel module. My problem is > that I can't silence the onboard/built-in speakers when I plug in the > headphones to the machine. Muting sound would lead to all jacks and > audio ports to be silenced -- not just the built-in speakers, which I > intend to mute solely leaving sound alive on the headphone jacks. There > are no channels readily observable to differentiate where sound goes and > to which port with alsa-mixer. The behavior I would like to achieve is > one that will allow me to mute onboard speakers while continuing to have > the headphones receive audio signals. Has anyone ever done this? Any > pointers to documentation will be appreciated.
Does it work with Windows? I'd expect such things to be implemented in hardware.
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