are there any error message in pulseaudio verbose log ? module-udev-detect should skip any card without pcm devices
youe have to file an upstream bug report https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1458947 Title: QinHeng Electronics CH345 MIDI adapter triggers error Status in pulseaudio package in Ubuntu: Incomplete Bug description: Cheap oriental MIDI adapter starts up with the following error, but works as expected.* E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="usb-1a86_USB2.0-MIDI-00-USB20MIDI" card_name="alsa_card.usb-1a86_USB2.0-MIDI-00-USB20MIDI" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev- detect.discovered=1""): initialization failed. The device: 1a86:752d QinHeng Electronics CH345 MIDI adapter Of course i'm not sure whether this is a PA problem or an ALSA or UDEV bug. Ubuntu 14.04.2 LTS Pulseaudio 1:4.0-0ubuntu11.1 * works almost as expected: there is one physical input and one output, but in ALSA one input and two outputs appear. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1458947/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
