remove_ctl
remove_ctl(vortex->card, "Master Mono Playback Volume");
remove_ctl(vortex->card, "Master Mono Playback Switch");
remove_ctl(card, *c);
remove_ctl(card,"Front Playback Volume");
remove_ctl(card,"Front Playback Switch");
remove_ctl(card, *c);
remove_ctl(card, *c);
remove_ctl(card, "Center Playback Volume");
remove_ctl(card, "LFE Playback Volume");
remove_ctl(card, "Wave Center Playback Volume");
remove_ctl(card, "Wave LFE Playback Volume");