usb_scarlett_ctl_switch 468 sound/usb/mixer_scarlett.c static const struct snd_kcontrol_new usb_scarlett_ctl_switch = { usb_scarlett_ctl_switch 585 sound/usb/mixer_scarlett.c err = add_new_ctl(mixer, &usb_scarlett_ctl_switch, usb_scarlett_ctl_switch 844 sound/usb/mixer_scarlett.c err = add_new_ctl(mixer, &usb_scarlett_ctl_switch,