100 	struct snd_pcm_substream *substream;  in cx231xx_audio_isocirq()  local
124 		substream = dev->adev.capture_pcm_substream;  in cx231xx_audio_isocirq()
125 		runtime = substream->runtime;  in cx231xx_audio_isocirq()
151 			snd_pcm_stream_lock(substream);  in cx231xx_audio_isocirq()
166 			snd_pcm_stream_unlock(substream);  in cx231xx_audio_isocirq()
169 			snd_pcm_period_elapsed(substream);  in cx231xx_audio_isocirq()
190 	struct snd_pcm_substream *substream;  in cx231xx_audio_bulkirq()  local
214 		substream = dev->adev.capture_pcm_substream;  in cx231xx_audio_bulkirq()
215 		runtime = substream->runtime;  in cx231xx_audio_bulkirq()
237 			snd_pcm_stream_lock(substream);  in cx231xx_audio_bulkirq()
252 			snd_pcm_stream_unlock(substream);  in cx231xx_audio_bulkirq()
255 			snd_pcm_period_elapsed(substream);  in cx231xx_audio_bulkirq()
427 static int snd_cx231xx_capture_open(struct snd_pcm_substream *substream)  in snd_cx231xx_capture_open()  argument
429 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_open()
430 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx231xx_capture_open()
467 	dev->adev.capture_pcm_substream = substream;  in snd_cx231xx_capture_open()
473 static int snd_cx231xx_pcm_close(struct snd_pcm_substream *substream)  in snd_cx231xx_pcm_close()  argument
476 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_pcm_close()
496 	if (substream->runtime->dma_area) {  in snd_cx231xx_pcm_close()
498 		vfree(substream->runtime->dma_area);  in snd_cx231xx_pcm_close()
499 		substream->runtime->dma_area = NULL;  in snd_cx231xx_pcm_close()
516 static int snd_cx231xx_hw_capture_params(struct snd_pcm_substream *substream,  in snd_cx231xx_hw_capture_params()  argument
519 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_hw_capture_params()
524 	ret = snd_pcm_alloc_vmalloc_buffer(substream,  in snd_cx231xx_hw_capture_params()
540 static int snd_cx231xx_hw_capture_free(struct snd_pcm_substream *substream)  in snd_cx231xx_hw_capture_free()  argument
542 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_hw_capture_free()
554 static int snd_cx231xx_prepare(struct snd_pcm_substream *substream)  in snd_cx231xx_prepare()  argument
556 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_prepare()
582 static int snd_cx231xx_capture_trigger(struct snd_pcm_substream *substream,  in snd_cx231xx_capture_trigger()  argument
585 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_trigger()
611 						     *substream)  in snd_cx231xx_capture_pointer()
617 	dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_pointer()