91 	struct snd_pcm_runtime   *runtime;  in em28xx_audio_isocirq()  local
117 		runtime = substream->runtime;  in em28xx_audio_isocirq()
118 		stride = runtime->frame_bits >> 3;  in em28xx_audio_isocirq()
130 			if (oldptr + length >= runtime->buffer_size) {  in em28xx_audio_isocirq()
132 				    runtime->buffer_size - oldptr;  in em28xx_audio_isocirq()
133 				memcpy(runtime->dma_area + oldptr * stride, cp,  in em28xx_audio_isocirq()
135 				memcpy(runtime->dma_area, cp + cnt * stride,  in em28xx_audio_isocirq()
138 				memcpy(runtime->dma_area + oldptr * stride, cp,  in em28xx_audio_isocirq()
146 			    runtime->buffer_size)  in em28xx_audio_isocirq()
148 				    runtime->buffer_size;  in em28xx_audio_isocirq()
152 			    runtime->period_size) {  in em28xx_audio_isocirq()
154 				    runtime->period_size;  in em28xx_audio_isocirq()
200 	struct snd_pcm_runtime *runtime = subs->runtime;  in snd_pcm_alloc_vmalloc_buffer()  local
203 	if (runtime->dma_area) {  in snd_pcm_alloc_vmalloc_buffer()
204 		if (runtime->dma_bytes > size)  in snd_pcm_alloc_vmalloc_buffer()
207 		vfree(runtime->dma_area);  in snd_pcm_alloc_vmalloc_buffer()
209 	runtime->dma_area = vmalloc(size);  in snd_pcm_alloc_vmalloc_buffer()
210 	if (!runtime->dma_area)  in snd_pcm_alloc_vmalloc_buffer()
213 	runtime->dma_bytes = size;  in snd_pcm_alloc_vmalloc_buffer()
253 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_em28xx_capture_open()  local
274 	runtime->hw = snd_em28xx_hw_capture;  in snd_em28xx_capture_open()
310 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);  in snd_em28xx_capture_open()
311 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,  in snd_em28xx_capture_open()
340 	if (substream->runtime->dma_area) {  in snd_em28xx_pcm_close()
342 		vfree(substream->runtime->dma_area);  in snd_em28xx_pcm_close()
343 		substream->runtime->dma_area = NULL;  in snd_em28xx_pcm_close()
471 	void *pageptr = subs->runtime->dma_area + offset;  in snd_pcm_get_vmalloc_page()