# ls /proc/asound/card1/
codec97#0  emu10k1x_regs  id  midi0  oss_mixer  pcm0c  pcm0p  pcm1p  pcm2p

# cat /proc/asound/devices
  0: [ 0]   : control
  1:        : sequencer
 16: [ 0- 0]: digital audio playback
 17: [ 0- 1]: digital audio playback
 24: [ 0- 0]: digital audio capture
 32: [ 1]   : control
 33:        : timer
 40: [ 1- 0]: raw midi
 48: [ 1- 0]: digital audio playback
 49: [ 1- 1]: digital audio playback
 50: [ 1- 2]: digital audio playback
 56: [ 1- 0]: digital audio capture