suse man page for snd_card_disconnect

SND_CARD_DISCONNECT(9)						   Sound Devices					    SND_CARD_DISCONNECT(9)

NAME
       snd_card_disconnect - disconnect all APIs from the file-operations (user space)

SYNOPSIS
       int snd_card_disconnect(struct snd_card * card);

ARGUMENTS
       card
	   soundcard structure

DESCRIPTION
       Disconnects all APIs from the file-operations (user space).

       Returns zero, otherwise a negative error code.

NOTE
       The current implementation replaces all active file->f_op with special dummy file operations (they do nothing except release).

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						    SND_CARD_DISCONNECT(9)