Hi David, I uploaded a series of deb packages for PulseAudio to PPA: https://launchpad.net/~mocchi/+archive/ubuntu/instruments Unfortunately, these packages also don't allow my system to handle these devices. I cannot see 'Multichannel' strings in logs. It's my glad to get your advices. Regards Takashi Sakamoto o-takashi at sakamocchi.jp On Aug 6 2014 11:37, Takashi Sakamoto wrote: > The default.conf surely has the mapping configuration. > > I checked out commit 48edd0a00f455df075efcf1986103e5f507c816f, so they > must includes all of your patches. > http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=48edd0a00f455df075efcf1986103e5f507c816f > > In this time, I use utopic (Ubuntu 14.10). I generate deb packages for > PulseAudio and install them. I suspect that I did wrong operations, thus > I'll try to upload the packages into my PPA. Then I hope you to check > them later. > >> If you're sure this is the case, I'll write a patch with some more >> debugging info that hopefully can help us pinpoint why it's working with >> my card but not with yours. > > Thank you. Please wait for my next message about PPA.