audio_stream
struct snd_pcm_substream *audio_stream;
static void au1000_dma_stop(struct audio_stream *stream)
static void au1000_dma_start(struct audio_stream *stream)
struct audio_stream *stream = (struct audio_stream *)ptr;
static inline struct audio_stream *ss_to_as(struct snd_pcm_substream *ss,
struct audio_stream *stream = ss_to_as(substream, component);
struct audio_stream *stream = ss_to_as(substream, component);
struct audio_stream *stream = ss_to_as(substream, component);
struct audio_stream *stream = ss_to_as(ss, component);
struct audio_stream stream[2]; /* playback & capture */
static void au1000_release_dma_link(struct audio_stream *stream)
static int au1000_setup_dma_link(struct audio_stream *stream,