Name
snd_ctl_notify — 
  Send notification to user-space for a control change
 
Synopsis
| void snd_ctl_notify ( | struct snd_card * card, | 
|  | unsigned int mask, | 
|  | struct snd_ctl_elem_id * id ); | 
 
Arguments
- card
- 
     the card to send notification
     
- mask
- 
     the event mask, SNDRV_CTL_EVENT_*
     
- id
- 
     the ctl element id to send notification
     
Description
   This function adds an event record with the given id and mask, appends
   to the list and wakes up the user-space for notification.  This can be
   called in the atomic context.