I have got a useful novel Lenovo G560 running with OpenSuSe 11.3 64 bit. Later than a usual out of the box installation the laptop speakers unsuccessful to mute while I plugged in headphones and I was just able to control the sound for both the speakers and the headphones concurrently. After that I setup an entire lot of ALSA things and my sound devices were documented as Pulse Audio server ". Speakers muted while I plugged in headphones.
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