1. NAME▲

snd_ctl_activate_id - activate/inactivate the control of the given id

2. SYNOPSIS ▲

int snd_ctl_activate_id(struct snd_card *  card , struct snd_ctl_elem_id *  id , int  active );

3. ARGUMENTS ▲

card
    the card instance

id
    the control id to activate/inactivate

active
    non-zero to activate

4. DESCRIPTION ▲

Finds the control instance with the given id, and activate or inactivate the control together with notification, if changed.

5. RETURN ▲

0 if unchanged, 1 if changed, or a negative error code on failure.

6. COPYRIGHT ▲