dmaengine_dma_dev 118 sound/soc/soc-generic-dmaengine-pcm.c struct device *dma_dev = dmaengine_dma_dev(pcm, substream); dmaengine_dma_dev 303 sound/soc/soc-generic-dmaengine-pcm.c dmaengine_dma_dev(pcm, substream),