void devdma_hw_free(struct device *dev, snd_pcm_substream_t *substream); | |
int devdma_hw_alloc(struct device *dev, snd_pcm_substream_t *substream, size_t size); | |
int devdma_mmap(struct device *dev, snd_pcm_substream_t *substream, struct vm_area_struct *vma); |