snd_seq_root
extern struct snd_info_entry *snd_seq_root;
snd_seq_root = create_subdir(THIS_MODULE, "seq");
if (!snd_seq_root)
struct snd_info_entry *snd_seq_root;
EXPORT_SYMBOL(snd_seq_root);
entry = snd_info_create_module_entry(THIS_MODULE, SNDRV_SEQ_OSS_PROCNAME, snd_seq_root);
entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root);
snd_seq_root);