59 			     struct snd_pcm_substream *substream,  in mmp_pcm_hw_params()  argument
62 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);  in mmp_pcm_hw_params()
67 	    snd_dmaengine_pcm_prepare_slave_config(substream, params,  in mmp_pcm_hw_params()
76 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in mmp_pcm_hw_params()
82 			   struct snd_pcm_substream *substream, int cmd)  in mmp_pcm_trigger()  argument
84 	return snd_dmaengine_pcm_trigger(substream, cmd);  in mmp_pcm_trigger()
88 					 struct snd_pcm_substream *substream)  in mmp_pcm_pointer()  argument
90 	return snd_dmaengine_pcm_pointer(substream);  in mmp_pcm_pointer()
111 			struct snd_pcm_substream *substream)  in mmp_pcm_open()  argument
113 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);  in mmp_pcm_open()
119 	r = platform_get_resource(pdev, IORESOURCE_DMA, substream->stream);  in mmp_pcm_open()
123 	snd_soc_set_runtime_hwparams(substream,  in mmp_pcm_open()
124 				&mmp_pcm_hardware[substream->stream]);  in mmp_pcm_open()
129 	return snd_dmaengine_pcm_open_request_chan(substream, filter,  in mmp_pcm_open()
134 			 struct snd_pcm_substream *substream)  in mmp_pcm_close()  argument
136 	return snd_dmaengine_pcm_close_release_chan(substream);  in mmp_pcm_close()
140 			struct snd_pcm_substream *substream,  in mmp_pcm_mmap()  argument
143 	struct snd_pcm_runtime *runtime = substream->runtime;  in mmp_pcm_mmap()
155 	struct snd_pcm_substream *substream;  in mmp_pcm_free_dma_buffers()  local
167 		substream = pcm->streams[stream].substream;  in mmp_pcm_free_dma_buffers()
168 		if (!substream)  in mmp_pcm_free_dma_buffers()
171 		buf = &substream->dma_buffer;  in mmp_pcm_free_dma_buffers()
180 static int mmp_pcm_preallocate_dma_buffer(struct snd_pcm_substream *substream,  in mmp_pcm_preallocate_dma_buffer()  argument
183 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in mmp_pcm_preallocate_dma_buffer()
188 	buf->dev.dev = substream->pcm->card->dev;  in mmp_pcm_preallocate_dma_buffer()
205 	struct snd_pcm_substream *substream;  in mmp_pcm_new()  local
210 		substream = pcm->streams[stream].substream;  in mmp_pcm_new()
212 		ret = mmp_pcm_preallocate_dma_buffer(substream,	stream);  in mmp_pcm_new()