scarlett2_mux_src_enum_ctl 1635 sound/usb/mixer_scarlett_gen2.c static const struct snd_kcontrol_new scarlett2_mux_src_enum_ctl = { scarlett2_mux_src_enum_ctl 1663 sound/usb/mixer_scarlett_gen2.c &scarlett2_mux_src_enum_ctl,