snd_usb_add_audio_stream 158 sound/usb/quirks.c err = snd_usb_add_audio_stream(chip, stream, fp); snd_usb_add_audio_stream 487 sound/usb/quirks.c err = snd_usb_add_audio_stream(chip, stream, fp); snd_usb_add_audio_stream 1198 sound/usb/stream.c err = snd_usb_add_audio_stream(chip, stream, fp); snd_usb_add_audio_stream 8 sound/usb/stream.h int snd_usb_add_audio_stream(struct snd_usb_audio *chip,