cat /proc/asound/devices 
  2:        : timer
  3:        : sequencer
  4: [ 1- 0]: raw midi
  5: [ 1]   : control
  6: [ 0- 0]: raw midi
  7: [ 0- 3]: digital audio playback
  8: [ 0- 2]: digital audio playback
  9: [ 0- 1]: digital audio playback
 10: [ 0- 0]: digital audio playback
 11: [ 0- 0]: digital audio capture
 12: [ 0]   : control
 13: [ 2- 1]: digital audio playback
 14: [ 2- 1]: digital audio capture
 15: [ 2- 0]: digital audio playback
 16: [ 2- 0]: digital audio capture
 17: [ 2]   : control

cat /proc/asound/card0/pcm0c/info
card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: CS46xx
name: CS46xx
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 1

cat /proc/asound/oss/devices
  0: [0- 0]: mixer
  1:       : sequencer
  2: [0- 0]: raw midi
  3: [0- 0]: digital audio
  4: [0- 0]: digital audio
  8:       : sequencer
  9: [0- 0]: raw midi
 12: [0- 1]: digital audio
 16: [1- 0]: mixer
 18: [1- 0]: raw midi
 25: [1- 0]: raw midi
 32: [2- 0]: mixer
 35: [2- 0]: digital audio
 36: [2- 0]: digital audio
 44: [2- 1]: digital audio

cat /proc/asound/card0/pcm0c/sub0/info
card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: CS46xx
name: CS46xx
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 1