USB_MIXER_INV_BOOLEAN
{ UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 },
cval->val_type == USB_MIXER_INV_BOOLEAN) {
cval->val_type == USB_MIXER_INV_BOOLEAN)
cval->val_type != USB_MIXER_INV_BOOLEAN) {
case USB_MIXER_INV_BOOLEAN:
case USB_MIXER_INV_BOOLEAN:
[USB_MIXER_INV_BOOLEAN] = "INV_BOOLEAN",
.val_type = USB_MIXER_INV_BOOLEAN,
.val_type = USB_MIXER_INV_BOOLEAN,
.val_type = USB_MIXER_INV_BOOLEAN,