lsmod | grep snd
snd_seq_dummy            987  0
snd_hda_codec_atihdmi     1687  1
snd_hda_codec_via      38583  1
snd_hda_intel          16755  3
snd_hda_codec          46002  3 snd_hda_codec_atihdmi,snd_hda_codec_via,snd_hda_intel
snd_usb_audio          50634  0
snd_pcm_oss            28675  0
snd_mixer_oss          10461  1 snd_pcm_oss
snd_pcm                47226  5 snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_pcm_oss
snd_usb_lib            11120  1 snd_usb_audio
snd_seq_midi            3576  0
snd_seq_midi_event      3684  1 snd_seq_midi
snd_seq                35327  6 snd_seq_dummy,snd_seq_midi,snd_seq_midi_event
snd_timer              12258  2 snd_pcm,snd_seq
snd_rawmidi            12513  2 snd_usb_lib,snd_seq_midi
snd_seq_device          3673  4 snd_seq_dummy,snd_seq_midi,snd_seq,snd_rawmidi
snd_hwdep               4054  2 snd_hda_codec,snd_usb_audio
snd                    34339  18 snd_hda_codec_via,snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq,snd_timer,snd_rawmidi,snd_seq_device,snd_hwdep
soundcore               3450  1 snd
snd_page_alloc          4977  2 snd_hda_intel,snd_pcm
usbcore                98185  9 snd_usb_audio,snd_usb_lib,gspca_stv06xx,gspca_main,usbhid,usb_storage,ohci_hcd,ehci_hcd