82 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_stop()  local
84 	dmaengine_terminate_all(dmaen->chan);  in rsnd_dmaen_stop()
89 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_start()  local
97 	desc = dmaengine_prep_dma_cyclic(dmaen->chan,  in rsnd_dmaen_start()
117 	dma_async_issue_pending(dmaen->chan);  in rsnd_dmaen_start()
159 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_init()  local
166 	if (dmaen->chan) {  in rsnd_dmaen_init()
172 		dmaen->chan = rsnd_dmaen_request_channel(io, mod_from, mod_to);  in rsnd_dmaen_init()
179 		dmaen->chan = dma_request_channel(mask, shdma_chan_filter,  in rsnd_dmaen_init()
182 	if (IS_ERR_OR_NULL(dmaen->chan)) {  in rsnd_dmaen_init()
183 		dmaen->chan = NULL;  in rsnd_dmaen_init()
198 	ret = dmaengine_slave_config(dmaen->chan, &cfg);  in rsnd_dmaen_init()
219 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_quit()  local
221 	if (dmaen->chan)  in rsnd_dmaen_quit()
222 		dma_release_channel(dmaen->chan);  in rsnd_dmaen_quit()
224 	dmaen->chan = NULL;  in rsnd_dmaen_quit()