$ lsmod |grep ^snd
snd_hda_intel          18580  0 
snd_hda_codec         163712  1 snd_hda_intel
snd_pcm_oss            46080  0 
snd_mixer_oss          18560  1 snd_pcm_oss
snd_pcm                80520  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer              23172  1 snd_pcm
snd                    55428  6 snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
snd_page_alloc         10504  2 snd_hda_intel,snd_pcm