USB_MIXER_S8
{ UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 },
{ UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 },
{ UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 },
{ UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */
case USB_MIXER_S8:
case USB_MIXER_S8:
[USB_MIXER_S8] = "S8",