58 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_stop()  local
60 	dmaengine_terminate_all(dmaen->chan);  in rsnd_dmaen_stop()
65 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_start()  local
74 	desc = dmaengine_prep_dma_cyclic(dmaen->chan,  in rsnd_dmaen_start()
94 	dma_async_issue_pending(dmaen->chan);  in rsnd_dmaen_start()
134 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_init()  local
142 	if (dmaen->chan) {  in rsnd_dmaen_init()
148 		dmaen->chan = rsnd_dmaen_request_channel(mod_from, mod_to);  in rsnd_dmaen_init()
155 		dmaen->chan = dma_request_channel(mask, shdma_chan_filter,  in rsnd_dmaen_init()
158 	if (IS_ERR_OR_NULL(dmaen->chan)) {  in rsnd_dmaen_init()
159 		dmaen->chan = NULL;  in rsnd_dmaen_init()
173 	ret = dmaengine_slave_config(dmaen->chan, &cfg);  in rsnd_dmaen_init()
194 	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);  in rsnd_dmaen_quit()  local
196 	if (dmaen->chan)  in rsnd_dmaen_quit()
197 		dma_release_channel(dmaen->chan);  in rsnd_dmaen_quit()
199 	dmaen->chan = NULL;  in rsnd_dmaen_quit()