u_audio_get_playback_rate  687 drivers/usb/gadget/function/f_uac1_legacy.c 	rate = u_audio_get_playback_rate(card);
u_audio_get_playback_rate   77 drivers/usb/gadget/function/u_uac1_legacy.h int u_audio_get_playback_rate(struct gaudio *card);