snd_dma_alloc_dir_pages
int snd_dma_alloc_dir_pages(int type, struct device *dev,
return snd_dma_alloc_dir_pages(type, dev, DMA_BIDIRECTIONAL, size, dmab);
err = snd_dma_alloc_dir_pages(type, dev, dir, size, dmab);
EXPORT_SYMBOL(snd_dma_alloc_dir_pages);
err = snd_dma_alloc_dir_pages(type, dev, dir, size, dmab);
ret = snd_dma_alloc_dir_pages(SNDRV_DMA_TYPE_DEV_SG, sdev->dev,