Lines Matching defs:ctrl_chan
217 * @ctrl_chan: dma channel for S/PDIF control bits
238 struct dma_chan *ctrl_chan;
296 spdifrx->desc = dmaengine_prep_slave_single(spdifrx->ctrl_chan,
311 dma_async_issue_pending(spdifrx->ctrl_chan);
318 dmaengine_terminate_async(spdifrx->ctrl_chan);
407 spdifrx->ctrl_chan = dma_request_chan(dev, "rx-ctrl");
408 if (IS_ERR(spdifrx->ctrl_chan)) {
409 if (PTR_ERR(spdifrx->ctrl_chan) != -EPROBE_DEFER)
411 PTR_ERR(spdifrx->ctrl_chan));
412 return PTR_ERR(spdifrx->ctrl_chan);
436 ret = dmaengine_slave_config(spdifrx->ctrl_chan,
440 spdifrx->ctrl_chan = NULL;
951 if (spdifrx->ctrl_chan)
952 dma_release_channel(spdifrx->ctrl_chan);