Comment 36 for bug 1498129

card 1: U7 [Xonar U7], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0
card 1: U7 [Xonar U7], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0
card 1: U7 [Xonar U7], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0

Why are three playback devices?

ARECORD **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: CX20561 Analog [CX20561 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: U7 [Xonar U7], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0

You have to ask in pulseaudio discuss mailing list, it is not clear analog or digital port have priority

Active Profile: output:analog-stereo+input:iec958-stereo

Profiles: input:iec958-stereo: Digital Stereo (IEC958) Input (sinks: 0, sources: 1, priority. 55) output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority. 6000) output:analog-stereo+input:iec958-stereo: Analog Stereo Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 6055) output:analog-surround-40: Analog Surround 4.0 Output (sinks: 1, sources: 0, priority. 700) output:analog-surround-40+input:iec958-stereo: Analog Surround 4.0 Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 755) output:analog-surround-41: Analog Surround 4.1 Output (sinks: 1, sources: 0, priority. 800) output:analog-surround-41+input:iec958-stereo: Analog Surround 4.1 Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 855) output:analog-surround-50: Analog Surround 5.0 Output (sinks: 1, sources: 0, priority. 700) output:analog-surround-50+input:iec958-stereo: Analog Surround 5.0 Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 755) output:analog-surround-51: Analog Surround 5.1 Output (sinks: 1, sources: 0, priority. 800) output:analog-surround-51+input:iec958-stereo: Analog Surround 5.1 Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 855) output:analog-surround-71: Analog Surround 7.1 Output (sinks: 1, sources: 0, priority. 700) output:analog-surround-71+input:iec958-stereo: Analog Surround 7.1 Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority. 755) output:iec958-stereo: Digital Stereo (IEC958) Output (sinks: 1, sources: 0, priority. 5500) output:iec958-stereo+input:iec958-stereo: Digital Stereo Duplex (IEC958) (sinks: 1, sources: 1, priority. 5555) off: Off (sinks: 0, sources: 0, priority. 0) Active Profile: output:analog-stereo+input:iec958-stereo

Ports: iec958-stereo-input: Digital Input (S/PDIF) (priority: 0, latency offset: 0 usec) Part of profile(s): input:iec958-stereo, output:analog-stereo+input:iec958-stereo, output:analog-surround-40+input:iec958-stereo, output:analog-surround-41+input:iec958-stereo, output:analog-surround-50+input:iec958-stereo, output:analog-surround-51+input:iec958-stereo, output:analog-surround-71+input:iec958-stereo, output:iec958-stereo+input:iec958-stereo iec958-stereo-output: Digital Output (S/PDIF) (priority: 0, latency offset: 0 usec) Part of profile(s): output:iec958-stereo, output:iec958-stereo+input:iec958-stereo