179     struct snd_ctl_elem_list elist;  in add_controls()  local
186     memset(&elist, 0, sizeof(elist));  in add_controls()
187     if (grp->ops->ioctl(grp->data, SNDRV_CTL_IOCTL_ELEM_LIST, &elist) < 0)  in add_controls()
190     if (old_count == elist.count)  in add_controls()
193     if (old_count > elist.count)  in add_controls()
196     ctl = mixer_realloc_z(grp->ctl, old_count, elist.count,  in add_controls()
207     new_count = elist.count;  in add_controls()
208     elist.space = new_count - old_count; /* controls we haven't seen before */  in add_controls()
209     elist.offset = old_count; /* first control we haven't seen */  in add_controls()
211     eid = calloc(elist.space, sizeof(struct snd_ctl_elem_id));  in add_controls()
215     elist.pids = eid;  in add_controls()
217     if (grp->ops->ioctl(grp->data, SNDRV_CTL_IOCTL_ELEM_LIST, &elist) < 0)  in add_controls()