Lines Matching defs:buf
156 struct snd_dma_buffer *buf;
171 buf = &substream->dma_buffer;
172 if (!buf->area)
174 gen_pool_free(gpool, (unsigned long)buf->area, size);
175 buf->area = NULL;
183 struct snd_dma_buffer *buf = &substream->dma_buffer;
187 buf->dev.type = SNDRV_DMA_TYPE_DEV;
188 buf->dev.dev = substream->pcm->card->dev;
189 buf->private_data = NULL;
195 buf->area = gen_pool_dma_alloc(gpool, size, &buf->addr);
196 if (!buf->area)
198 buf->bytes = size;