Lines Matching refs:dma_area
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()
203 if (runtime->dma_area) { 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()
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()