snd_ctl_notify (9) - Linux Man Pages

snd_ctl_notify: Send notification to user-space for a control change

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.

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