314 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx23885_pcm_open()  local
322 	err = snd_pcm_hw_constraint_pow2(runtime, 0,  in snd_cx23885_pcm_open()
329 	runtime->hw = snd_cx23885_digital_hw;  in snd_cx23885_pcm_open()
336 		runtime->hw.period_bytes_min = bpl;  in snd_cx23885_pcm_open()
337 		runtime->hw.period_bytes_max = bpl;  in snd_cx23885_pcm_open()
365 	if (substream->runtime->dma_area) {  in snd_cx23885_hw_params()
367 		substream->runtime->dma_area = NULL;  in snd_cx23885_hw_params()
403 	substream->runtime->dma_area = chip->buf->vaddr;  in snd_cx23885_hw_params()
404 	substream->runtime->dma_bytes = chip->dma_size;  in snd_cx23885_hw_params()
405 	substream->runtime->dma_addr = 0;  in snd_cx23885_hw_params()
423 	if (substream->runtime->dma_area) {  in snd_cx23885_hw_free()
425 		substream->runtime->dma_area = NULL;  in snd_cx23885_hw_free()
475 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx23885_pointer()  local
480 	return runtime->period_size * (count & (runtime->periods-1));  in snd_cx23885_pointer()
489 	void *pageptr = substream->runtime->dma_area + offset;  in snd_cx23885_page()