SND_CTL_NOTIFY(9)                       Control/Mixer API                       SND_CTL_NOTIFY(9)



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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         SND_CTL_NOTIFY(9)