snd_sgbuf_get_addr
dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab, size_t offset);
return snd_sgbuf_get_addr(snd_pcm_get_dma_buf(substream), ofs);
EXPORT_SYMBOL(snd_sgbuf_get_addr);
dmab->addr = snd_sgbuf_get_addr(dmab, 0);
dmab->addr = snd_sgbuf_get_addr(dmab, 0);
addr = snd_sgbuf_get_addr(dmab, ofs);
addr = snd_sgbuf_get_addr(dmab, offset);
pfn = PFN_DOWN(snd_sgbuf_get_addr(databuf, i * PAGE_SIZE));
rinfo.ring_first_page_pfn = PFN_DOWN(snd_sgbuf_get_addr(dmab, 0));
addr = snd_sgbuf_get_addr(stream->dmab, page_idx * PAGE_SIZE);
addr = snd_sgbuf_get_addr(dmab, offset);
u32 pfn = snd_sgbuf_get_addr(dmab, i * PAGE_SIZE) >> PAGE_SHIFT;