sprd_compr_dma
struct sprd_compr_dma *dma = &stream->dma[1];
struct sprd_compr_dma *dma = &stream->dma[channel];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma *dma = &stream->dma[i];
struct sprd_compr_dma dma[SPRD_COMPR_DMA_CHANS];