1. root@OLime2:~# aplay -L | grep :CARD
  2. default:CARD=sun4ihdmi
  3. sysdefault:CARD=sun4ihdmi
  4. dmix:CARD=sun4ihdmi,DEV=0
  5. dsnoop:CARD=sun4ihdmi,DEV=0
  6. hw:CARD=sun4ihdmi,DEV=0
  7. plughw:CARD=sun4ihdmi,DEV=0
  8. root@OLime2:~# speaker-test -D default:sun4ihdmi -c 2
  10. speaker-test 1.1.8
  12. Playback device is default:sun4ihdmi
  13. Stream parameters are 48000Hz, S16_LE, 2 channels
  14. Using 16 octaves of pink noise
  15. Rate set to 48000Hz (requested 48000Hz)
  16. Buffer size range from 2048 to 32768
  17. Period size range from 1024 to 8192
  18. Using max buffer size 32768
  19. Periods = 4
  20. was set period_size = 8192
  21. was set buffer_size = 32768
  22. 0 - Front Left
  23. Write error: -5,Input/output error
  24. xrun_recovery failed: -5,Input/output error
  25. Transfer failed: Input/output error

The card appears, but to speaker-test, it return error :(