214 	return !!io->substream;  in rsnd_io_is_working()
383 	struct snd_pcm_substream *substream = io->substream;  in rsnd_dai_pointer_offset()  local
384 	struct snd_pcm_runtime *runtime = substream->runtime;  in rsnd_dai_pointer_offset()
397 		struct snd_pcm_substream *substream = io->substream;  in rsnd_dai_pointer_update()  local
398 		struct snd_pcm_runtime *runtime = substream->runtime;  in rsnd_dai_pointer_update()
417 	struct snd_pcm_substream *substream = io->substream;  in rsnd_dai_period_elapsed()  local
426 	snd_pcm_period_elapsed(substream);  in rsnd_dai_period_elapsed()
430 				struct snd_pcm_substream *substream)  in rsnd_dai_stream_init()  argument
432 	struct snd_pcm_runtime *runtime = substream->runtime;  in rsnd_dai_stream_init()
434 	io->substream		= substream;  in rsnd_dai_stream_init()
445 	io->substream		= NULL;  in rsnd_dai_stream_quit()
449 struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)  in rsnd_substream_to_dai()  argument
451 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in rsnd_substream_to_dai()
458 					struct snd_pcm_substream *substream)  in rsnd_rdai_to_io()  argument
460 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in rsnd_rdai_to_io()
466 static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,  in rsnd_soc_dai_trigger()  argument
471 	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);  in rsnd_soc_dai_trigger()
480 		rsnd_dai_stream_init(io, substream);  in rsnd_soc_dai_trigger()
913 static int rsnd_pcm_open(struct snd_pcm_substream *substream)  in rsnd_pcm_open()  argument
915 	struct snd_pcm_runtime *runtime = substream->runtime;  in rsnd_pcm_open()
918 	snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);  in rsnd_pcm_open()
926 static int rsnd_hw_params(struct snd_pcm_substream *substream,  in rsnd_hw_params()  argument
929 	struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);  in rsnd_hw_params()
931 	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);  in rsnd_hw_params()
934 	ret = rsnd_dai_call(hw_params, io, substream, hw_params);  in rsnd_hw_params()
938 	return snd_pcm_lib_malloc_pages(substream,  in rsnd_hw_params()
942 static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)  in rsnd_pointer()  argument
944 	struct snd_pcm_runtime *runtime = substream->runtime;  in rsnd_pointer()
945 	struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);  in rsnd_pointer()
947 	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);  in rsnd_pointer()