hal2_desc
struct hal2_desc *desc;
desc = dma_alloc_noncoherent(dev, count * sizeof(struct hal2_desc),
desc_dma : desc_dma + (i + 1) * sizeof(struct hal2_desc);
count * sizeof(struct hal2_desc),
dma_free_noncoherent(dev, codec->desc_count * sizeof(struct hal2_desc),
struct hal2_desc *desc;