68 	struct scatterlist	*sglist;  member
166 	buf->sglist = vzalloc(buf->nr_pages * sizeof(*buf->sglist));  in cx25821_alsa_dma_init()
167 	if (NULL == buf->sglist)  in cx25821_alsa_dma_init()
170 	sg_init_table(buf->sglist, buf->nr_pages);  in cx25821_alsa_dma_init()
175 		sg_set_page(&buf->sglist[i], pg, PAGE_SIZE, 0);  in cx25821_alsa_dma_init()
180 	vfree(buf->sglist);  in cx25821_alsa_dma_init()
181 	buf->sglist = NULL;  in cx25821_alsa_dma_init()
192 	buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist,  in cx25821_alsa_dma_map()
209 	dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen, PCI_DMA_FROMDEVICE);  in cx25821_alsa_dma_unmap()
216 	vfree(buf->sglist);  in cx25821_alsa_dma_free()
217 	buf->sglist = NULL;  in cx25821_alsa_dma_free()
547 	ret = cx25821_risc_databuffer_audio(chip->pci, &buf->risc, buf->sglist,  in snd_cx25821_hw_params()