Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       snd_pcm_playback_empty - check whether the playback buffer is empty

SYNOPSIS

       int snd_pcm_playback_empty  (snd_pcm_substream_t * substream);

ARGUMENTS

       substream
              the pcm substream instance

DESCRIPTION

       Checks whether the playback buffer is empty.

       Returns non-zero if empty, or zero if not.