line6_pcm_acquire
line6_pcm_acquire(line6pcm, LINE6_STREAM_CAPTURE_HELPER, false);
EXPORT_SYMBOL_GPL(line6_pcm_acquire);
err = line6_pcm_acquire(line6pcm, LINE6_STREAM_IMPULSE, true);
extern int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type,
err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR, true);
line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR, true);