why do your test with 9 channels ? you should test only 2 , 4 , 6 or 8 channels
speaker-test -c2 -t wav -Dhw:0,0 speaker-test -c4 -t wav -Dhw:0,0 speaker-test -c6 -t wav -Dhw:0,0 seem the driver did not create channel mode switch to retask the jack for external 7.1 speaker-test -c8 -t wav -Dhw:0,0 I guess the config is similar to targa-8ch-dig (notebook with 4 jacks) https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=eb844d51cccca0ce9fad316da803f1bbe53d323b -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1236965 Title: pulseaudio does not recognize internal speakers [P180HMx, Realtek ALC892, Speaker, Internal] volume slider problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1236965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs