176 						      *alsa_sub)  in hiface_pcm_get_substream()
178 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_get_substream()
181 	if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in hiface_pcm_get_substream()
355 static int hiface_pcm_open(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_open()  argument
357 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_open()
359 	struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;  in hiface_pcm_open()
368 	if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in hiface_pcm_open()
383 		ret = snd_pcm_hw_constraint_list(alsa_sub->runtime, 0,  in hiface_pcm_open()
392 	sub->instance = alsa_sub;  in hiface_pcm_open()
398 static int hiface_pcm_close(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_close()  argument
400 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_close()
401 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_close()
422 static int hiface_pcm_hw_params(struct snd_pcm_substream *alsa_sub,  in hiface_pcm_hw_params()  argument
425 	return snd_pcm_lib_alloc_vmalloc_buffer(alsa_sub,  in hiface_pcm_hw_params()
429 static int hiface_pcm_hw_free(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_hw_free()  argument
431 	return snd_pcm_lib_free_vmalloc_buffer(alsa_sub);  in hiface_pcm_hw_free()
434 static int hiface_pcm_prepare(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_prepare()  argument
436 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_prepare()
437 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_prepare()
438 	struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;  in hiface_pcm_prepare()
470 static int hiface_pcm_trigger(struct snd_pcm_substream *alsa_sub, int cmd)  in hiface_pcm_trigger()  argument
472 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_trigger()
473 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_trigger()
500 static snd_pcm_uframes_t hiface_pcm_pointer(struct snd_pcm_substream *alsa_sub)  in hiface_pcm_pointer()  argument
502 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);  in hiface_pcm_pointer()
503 	struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);  in hiface_pcm_pointer()
513 	return bytes_to_frames(alsa_sub->runtime, dma_offset);  in hiface_pcm_pointer()