Lines Matching refs:dma_area
110 if (runtime->dma_area == NULL) { 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()
237 if (runtime->dma_area) { 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()
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()