Fred Smith <fredex at ...> writes: > > Hi all! > > Using C6 on an Asus M5A99X EVO R2.0 motherboard with AMD six core FX6300. > That board uses Realtek ALC892 audio chipset. > > For the first time since I got that motherboard I tried plugging in > headphones to the front panel speaker output. I was somewhat displeased > to note that the speakers don't mute when that happens. > > I recall seeing info on that in Fedora, but not Centos, and haven't > so far scared up how to troubleshoot it. > > I can MANUALLY change the setting in sound preferences, which offers > only two choices: "Analog Output" and "Analog Headphones". > > Suggestions will be welcomed! > > Fred Might have a look at amixer and see if you have an option you can alter similar to: Simple mixer control 'Auto-Mute Mode',0 Capabilities: enum Items: 'Disabled' 'Speaker Only' 'Line Out+Speaker' Item0: 'Line Out+Speaker' And see if you can set it ala: /usr/bin/amixer -c0 set "Auto-Mute Mode" "Line Out+Speaker" -Matthew Gillespie