Arthur W. Green wrote: > there are a slew of stock PCM definitions set for this hardware that > I don't want, particularly the surroundXX ones: > [...] > These stock definitions not only clutter my device list, but produce > messy warning notices when running many of my ALSA apps. > $ listaudevs > ALSA lib pcm.c:2267:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear > ALSA lib pcm.c:2267:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe > ALSA lib pcm.c:2267:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side These devices do not exist in your list. This is a bug in PortAudio; it tries to open a fixed list of device names, and does not suppress error messages. > Device Input Output Name > 0 2 2 HDA Intel PCH: VT1802 Analog (hw:0,0) > 1 0 8 HDA Intel PCH: HDMI 0 (hw:0,3) > 2 128 128 sysdefault > 3 0 2 front > 4 0 2 surround40 > 5 0 2 surround51 > 6 0 2 surround71 > 7 0 8 hdmi > 8 0 128 main > 9 0 2 dmix > *10 0 128 default > > What I'd like to do is UNset the unwanted PCM definitions in > /etc/asound.conf (i.e., without having to doctor > /usr/share/alsa/alsa.conf), and I'm not clear on the proper way to do this. Try something like this: pcm.!surround51 = does_not_exist; Regards, Clemens ------------------------------------------------------------------------------ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
