snd_ftu_create_effect_switch 1127 sound/usb/mixer_quirks.c 	err = snd_ftu_create_effect_switch(mixer, 1, 6);
snd_ftu_create_effect_switch 1365 sound/usb/mixer_quirks.c 	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);