Re: [alsa-devel] [PATCH v3 4/6] core: add API header and driver header files

On Mon, Dec 05, 2011 at 01:09:49PM +0530, Vinod Koul wrote:

+static inline void snd_compr_fragment_elapsed(struct snd_compr_stream *stream) +{

• wake_up(&stream->runtime->sleep);

+}

You need to include sched.h for this.