Your looking for something like this: Notice I have two sound devices (usb audio / usb phone) & (snd sb16 / soundcard/chip)

snd_usb_audio          74496  0 
snd_usb_lib            15392  1 snd_usb_audio
snd_sb16               15688  2 
snd_opl3_lib            9824  1 snd_sb16
snd_sb16_dsp            9760  1 snd_sb16
snd_sb16_csp           18624  1 snd_sb16
snd_sb_common          15968  3 snd_sb16,snd_sb16_dsp,snd_sb16_csp
snd_hwdep               8772  3 snd_usb_audio,snd_opl3_lib,snd_sb16_csp
snd_mpu401_uart         8096  1 snd_sb16
snd_pcm_oss            39200  1 
snd_mixer_oss          15424  1 snd_pcm_oss
snd_pcm                72324  4 snd_usb_audio,snd_sb16,snd_sb16_dsp,snd_pcm_oss
snd_page_alloc         10056  1 snd_pcm
snd_seq_dummy           3748  0 
snd_seq_oss            29408  0 
snd_seq_midi            8160  0 
snd_rawmidi            22624  3 snd_usb_lib,snd_mpu401_uart,snd_seq_midi
snd_seq_midi_event      6880  2 snd_seq_oss,snd_seq_midi
snd_seq                46320  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event