snd_usb_mixer_apply_create_quirk 3517 sound/usb/mixer.c 	err = snd_usb_mixer_apply_create_quirk(mixer);
snd_usb_mixer_apply_create_quirk    5 sound/usb/mixer_quirks.h int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer);