1. NAME

snd_pcm_playback_empty - check whether the playback buffer is empty

2. SYNOPSIS

int snd_pcm_playback_empty(struct snd_pcm_substream *  substream );

3. ARGUMENTS

substream
    the pcm substream instance

4. DESCRIPTION

Checks whether the playback buffer is empty.

5. RETURN

Non-zero if empty, or zero if not.

6. COPYRIGHT