snd_card_file_remove — remove the file from the file list
| int snd_card_file_remove ( | struct snd_card * card, | 
| struct file * file ); | 
   This function removes the file formerly added to the card via
   snd_card_file_add function.
   If all files are removed and snd_card_free_when_closed was
   called beforehand, it processes the pending release of
   resources.