46 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_get_chan()  local
48 	return prtd->dma_chan;  in snd_dmaengine_pcm_get_chan()
136 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_dma_complete()  local
138 	prtd->pos += snd_pcm_lib_period_bytes(substream);  in dmaengine_pcm_dma_complete()
139 	if (prtd->pos >= snd_pcm_lib_buffer_bytes(substream))  in dmaengine_pcm_dma_complete()
140 		prtd->pos = 0;  in dmaengine_pcm_dma_complete()
147 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_prepare_and_submit()  local
148 	struct dma_chan *chan = prtd->dma_chan;  in dmaengine_pcm_prepare_and_submit()
158 	prtd->pos = 0;  in dmaengine_pcm_prepare_and_submit()
169 	prtd->cookie = dmaengine_submit(desc);  in dmaengine_pcm_prepare_and_submit()
186 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_trigger()  local
195 		dma_async_issue_pending(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
199 		dmaengine_resume(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
203 			dmaengine_pause(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
205 			dmaengine_terminate_all(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
208 		dmaengine_pause(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
211 		dmaengine_terminate_all(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
230 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer_no_residue()  local
231 	return bytes_to_frames(substream->runtime, prtd->pos);  in snd_dmaengine_pcm_pointer_no_residue()
244 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer()  local
250 	status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);  in snd_dmaengine_pcm_pointer()
297 	struct dmaengine_pcm_runtime_data *prtd;  in snd_dmaengine_pcm_open()  local
308 	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);  in snd_dmaengine_pcm_open()
309 	if (!prtd)  in snd_dmaengine_pcm_open()
312 	prtd->dma_chan = chan;  in snd_dmaengine_pcm_open()
314 	substream->runtime->private_data = prtd;  in snd_dmaengine_pcm_open()
347 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close()  local
349 	kfree(prtd);  in snd_dmaengine_pcm_close()
363 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close_release_chan()  local
365 	dma_release_channel(prtd->dma_chan);  in snd_dmaengine_pcm_close_release_chan()