172 						      *alsa_sub)  in hiface_pcm_get_substream()
174 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_get_substream()
177 	if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in hiface_pcm_get_substream()
351 static int hiface_pcm_open(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_open()  argument
353 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_open()
355 	struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;  in hiface_pcm_open()
364 	if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in hiface_pcm_open()
379 		ret = snd_pcm_hw_constraint_list(alsa_sub->runtime, 0,  in hiface_pcm_open()
388 	sub->instance = alsa_sub;  in hiface_pcm_open()
394 static int hiface_pcm_close(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_close()  argument
396 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_close()
397 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_close()
418 static int hiface_pcm_hw_params(struct snd_pcm_substream *alsa_sub,  in hiface_pcm_hw_params()  argument
421 	return snd_pcm_lib_alloc_vmalloc_buffer(alsa_sub,  in hiface_pcm_hw_params()
425 static int hiface_pcm_hw_free(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_hw_free()  argument
427 	return snd_pcm_lib_free_vmalloc_buffer(alsa_sub);  in hiface_pcm_hw_free()
430 static int hiface_pcm_prepare(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_prepare()  argument
432 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_prepare()
433 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_prepare()
434 	struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;  in hiface_pcm_prepare()
466 static int hiface_pcm_trigger(struct snd_pcm_substream *alsa_sub, int cmd)  in hiface_pcm_trigger()  argument
468 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_trigger()
469 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_trigger()
496 static snd_pcm_uframes_t hiface_pcm_pointer(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_pointer()  argument
498 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_pointer()
499 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_pointer()
509 	return bytes_to_frames(alsa_sub->runtime, dma_offset);  in hiface_pcm_pointer()