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()
143 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_dma_complete()  local
145 	prtd->pos += snd_pcm_lib_period_bytes(substream);  in dmaengine_pcm_dma_complete()
146 	if (prtd->pos >= snd_pcm_lib_buffer_bytes(substream))  in dmaengine_pcm_dma_complete()
147 		prtd->pos = 0;  in dmaengine_pcm_dma_complete()
154 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_prepare_and_submit()  local
155 	struct dma_chan *chan = prtd->dma_chan;  in dmaengine_pcm_prepare_and_submit()
165 	prtd->pos = 0;  in dmaengine_pcm_prepare_and_submit()
176 	prtd->cookie = dmaengine_submit(desc);  in dmaengine_pcm_prepare_and_submit()
193 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_trigger()  local
202 		dma_async_issue_pending(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
206 		dmaengine_resume(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
210 			dmaengine_pause(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
212 			dmaengine_terminate_async(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
215 		dmaengine_pause(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
218 		dmaengine_terminate_async(prtd->dma_chan);  in snd_dmaengine_pcm_trigger()
237 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer_no_residue()  local
238 	return bytes_to_frames(substream->runtime, prtd->pos);  in snd_dmaengine_pcm_pointer_no_residue()
251 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer()  local
257 	status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);  in snd_dmaengine_pcm_pointer()
304 	struct dmaengine_pcm_runtime_data *prtd;  in snd_dmaengine_pcm_open()  local
315 	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);  in snd_dmaengine_pcm_open()
316 	if (!prtd)  in snd_dmaengine_pcm_open()
319 	prtd->dma_chan = chan;  in snd_dmaengine_pcm_open()
321 	substream->runtime->private_data = prtd;  in snd_dmaengine_pcm_open()
354 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close()  local
356 	dmaengine_synchronize(prtd->dma_chan);  in snd_dmaengine_pcm_close()
357 	kfree(prtd);  in snd_dmaengine_pcm_close()
371 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close_release_chan()  local
373 	dmaengine_synchronize(prtd->dma_chan);  in snd_dmaengine_pcm_close_release_chan()
374 	dma_release_channel(prtd->dma_chan);  in snd_dmaengine_pcm_close_release_chan()
375 	kfree(prtd);  in snd_dmaengine_pcm_close_release_chan()