1. NAME▲
snd_unregister_device - unregister the device on the given card
2. SYNOPSIS ▲
int snd_unregister_device(int type , struct snd_card * card , int dev );
3. ARGUMENTS ▲
type 
    the device type, SNDRV_DEVICE_TYPE_XXX 
card 
    the card instance 
dev 
    the device index 
4. DESCRIPTION ▲
Unregisters the device file already registered via snd_register_device.
5. RETURN ▲
Zero if successful, or a negative error code on failure.
6. COPYRIGHT ▲