snd_trident_vol_wave_control 2622 sound/pci/trident/trident_main.c static const struct snd_kcontrol_new snd_trident_vol_wave_control = snd_trident_vol_wave_control 3003 sound/pci/trident/trident_main.c if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident))) < 0)