SND_PCM_PLAYBACK_EMP(9) Sound Devices SND_PCM_PLAYBACK_EMP(9)NAMEsnd_pcm_playback_empty - check whether the playback buffer is empty
SYNOPSIS
int snd_pcm_playback_empty(struct snd_pcm_substream * substream);
ARGUMENTS
substream
the pcm substream instance
DESCRIPTION
Checks whether the playback buffer is empty.
Returns non-zero if empty, or zero if not.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SND_PCM_PLAYBACK_EMP(9)