snd_usb_mixer_add_control
err = snd_usb_mixer_add_control(&elem->head, kctl);
snd_usb_mixer_add_control(&cval->head, kctl);
snd_usb_mixer_add_control(&cval->head, kctl);
return snd_usb_mixer_add_control(&cval->head, kctl);
snd_usb_mixer_add_control(&cval->head, kctl);
err = snd_usb_mixer_add_control(&cval->head, kctl);
return snd_usb_mixer_add_control(&cval->head, kctl);
return snd_usb_mixer_add_control(&cval->head, kctl);
return snd_usb_mixer_add_control(&cval->head, kctl);
err = snd_usb_mixer_add_control(&mei->info.head, kctl);
return snd_usb_mixer_add_control(&elem->head, kctl);
err = snd_usb_mixer_add_control(&elem->head, kctl);
err = snd_usb_mixer_add_control(&elem->head, kctl);
err = snd_usb_mixer_add_control(&elem->head, kctl);