296 static int siu_pcm_hw_params(struct snd_pcm_substream *ss,  in siu_pcm_hw_params()  argument
300 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_hw_params()
305 	ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));  in siu_pcm_hw_params()
312 static int siu_pcm_hw_free(struct snd_pcm_substream *ss)  in siu_pcm_hw_free()  argument
315 	struct siu_port	*port_info = siu_port_info(ss);  in siu_pcm_hw_free()
316 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_hw_free()
319 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_hw_free()
326 	return snd_pcm_lib_free_pages(ss);  in siu_pcm_hw_free()
339 static int siu_pcm_open(struct snd_pcm_substream *ss)  in siu_pcm_open()  argument
342 	struct snd_soc_pcm_runtime *rtd = ss->private_data;  in siu_pcm_open()
345 	struct siu_port *port_info = siu_port_info(ss);  in siu_pcm_open()
348 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_open()
357 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in siu_pcm_open()
376 	siu_stream->substream = ss;  in siu_pcm_open()
381 static int siu_pcm_close(struct snd_pcm_substream *ss)  in siu_pcm_close()  argument
384 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_close()
385 	struct siu_port *port_info = siu_port_info(ss);  in siu_pcm_close()
390 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_close()
403 static int siu_pcm_prepare(struct snd_pcm_substream *ss)  in siu_pcm_prepare()  argument
406 	struct siu_port *port_info = siu_port_info(ss);  in siu_pcm_prepare()
407 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_prepare()
408 	struct snd_pcm_runtime 	*rt = ss->runtime;  in siu_pcm_prepare()
412 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_prepare()
419 	siu_stream->buf_bytes = snd_pcm_lib_buffer_bytes(ss);  in siu_pcm_prepare()
420 	siu_stream->period_bytes = snd_pcm_lib_period_bytes(ss);  in siu_pcm_prepare()
449 static int siu_pcm_trigger(struct snd_pcm_substream *ss, int cmd)  in siu_pcm_trigger()  argument
452 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_trigger()
453 	struct siu_port *port_info = siu_port_info(ss);  in siu_pcm_trigger()
461 		if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_trigger()
472 		if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_trigger()
491 static snd_pcm_uframes_t siu_pcm_pointer_dma(struct snd_pcm_substream *ss)  in siu_pcm_pointer_dma()  argument
493 	struct device *dev = ss->pcm->card->dev;  in siu_pcm_pointer_dma()
496 	struct siu_port *port_info = siu_port_info(ss);  in siu_pcm_pointer_dma()
497 	struct snd_pcm_runtime *rt = ss->runtime;  in siu_pcm_pointer_dma()
501 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)  in siu_pcm_pointer_dma()
523 	return bytes_to_frames(ss->runtime, ptr);  in siu_pcm_pointer_dma()