f_audio_set_alt   789 drivers/usb/gadget/function/f_uac1.c 	uac1->g_audio.func.set_alt = f_audio_set_alt;
f_audio_set_alt  1003 drivers/usb/gadget/function/f_uac1_legacy.c 	audio->card.func.set_alt = f_audio_set_alt;