77 	struct snd_pcm_runtime *runtime;  in cx18_alsa_announce_pcm_data()  local
92 	runtime = substream->runtime;  in cx18_alsa_announce_pcm_data()
93 	if (runtime == NULL) {  in cx18_alsa_announce_pcm_data()
98 	stride = runtime->frame_bits >> 3;  in cx18_alsa_announce_pcm_data()
110 	if (runtime->dma_area == NULL) {  in cx18_alsa_announce_pcm_data()
116 	if (oldptr + length >= runtime->buffer_size) {  in cx18_alsa_announce_pcm_data()
118 			runtime->buffer_size - oldptr;  in cx18_alsa_announce_pcm_data()
119 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,  in cx18_alsa_announce_pcm_data()
121 		memcpy(runtime->dma_area, pcm_data + cnt * stride,  in cx18_alsa_announce_pcm_data()
124 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,  in cx18_alsa_announce_pcm_data()
131 	    runtime->buffer_size)  in cx18_alsa_announce_pcm_data()
133 			runtime->buffer_size;  in cx18_alsa_announce_pcm_data()
137 	    runtime->period_size) {  in cx18_alsa_announce_pcm_data()
139 			runtime->period_size;  in cx18_alsa_announce_pcm_data()
152 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx18_pcm_capture_open()  local
182 	runtime->hw = snd_cx18_hw_capture;  in snd_cx18_pcm_capture_open()
183 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);  in snd_cx18_pcm_capture_open()
185 	runtime->private_data = cx;  in snd_cx18_pcm_capture_open()
234 	struct snd_pcm_runtime *runtime = subs->runtime;  in snd_pcm_alloc_vmalloc_buffer()  local
237 	if (runtime->dma_area) {  in snd_pcm_alloc_vmalloc_buffer()
238 		if (runtime->dma_bytes > size)  in snd_pcm_alloc_vmalloc_buffer()
241 		vfree(runtime->dma_area);  in snd_pcm_alloc_vmalloc_buffer()
243 	runtime->dma_area = vmalloc(size);  in snd_pcm_alloc_vmalloc_buffer()
244 	if (!runtime->dma_area)  in snd_pcm_alloc_vmalloc_buffer()
247 	runtime->dma_bytes = size;  in snd_pcm_alloc_vmalloc_buffer()
267 	if (substream->runtime->dma_area) {  in snd_cx18_pcm_hw_free()
269 		vfree(substream->runtime->dma_area);  in snd_cx18_pcm_hw_free()
270 		substream->runtime->dma_area = NULL;  in snd_cx18_pcm_hw_free()
309 	void *pageptr = subs->runtime->dma_area + offset;  in snd_pcm_get_vmalloc_page()