usX2Y_stream 929 sound/usb/usx2y/usbusx2yaudio.c struct snd_usX2Y_substream **usX2Y_stream = pcm->private_data; usX2Y_stream 930 sound/usb/usx2y/usbusx2yaudio.c if (usX2Y_stream) usX2Y_stream 931 sound/usb/usx2y/usbusx2yaudio.c usX2Y_audio_stream_free(usX2Y_stream);