Name
register_sound_mixer — 
     register a mixer device
 
Synopsis
| int register_sound_mixer ( | const struct file_operations * fops, | 
|  | int dev ); | 
 
Arguments
- fops
- 
     File operations for the driver
     
- dev
- 
     Unit number to allocate
     
Description
   Allocate a mixer device. Unit is the number of the mixer requested.
   Pass -1 to request the next free mixer unit.
Return
   On success, the allocated number is returned. On failure,
   a negative error code is returned.