snd_vt1724_spdif_switch 1778 sound/pci/ice1712/ice1724.c static const struct snd_kcontrol_new snd_vt1724_spdif_switch = snd_vt1724_spdif_switch 2429 sound/pci/ice1712/ice1724.c err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));