lsmod | grep snd
snd_pcm_oss            53664  0
snd_mixer_oss          18688  1 snd_pcm_oss
snd_pcm                89864  1 snd_pcm_oss
snd_timer              25220  1 snd_pcm
snd                    55268  4 snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore              10208  1 snd
snd_page_alloc         10632  1 snd_pcm