snd_pcm_capture_avail 634 include/sound/pcm.h return runtime->buffer_size - snd_pcm_capture_avail(runtime); snd_pcm_capture_avail 662 include/sound/pcm.h return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min; snd_pcm_capture_avail 708 include/sound/pcm.h return snd_pcm_capture_avail(runtime) == 0;