2011/10/31 Lin, Mengdong <mengdong.lin at intel.com>: >>> The default sample channels and channel map are commented in >> > /etc/pulse/daemon.conf: >> > >> > ;default-sample-channels =2 >> >> Uncomment that and set it to 6. > > I've tried this method but it doesn't work. The card's profile list has not change after I set default-sampel-channel=6. As I said earlier, this setting has nothing to do with the problem you're seeing. Jan's advise was wrong, but I agree that it is not really evident or logical that changing that setting doesn't work. Please provide the info I asked for earlier. Maarten