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-rw-r--r--include/sound/dmaengine_pcm.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index b65220685920..8c5e38180fb0 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -161,4 +161,15 @@ int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
#define SND_DMAENGINE_PCM_DRV_NAME "snd_dmaengine_pcm"
+struct dmaengine_pcm {
+ struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1];
+ const struct snd_dmaengine_pcm_config *config;
+ struct snd_soc_component component;
+ unsigned int flags;
+};
+
+static inline struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p)
+{
+ return container_of(p, struct dmaengine_pcm, component);
+}
#endif