104 	struct snd_pcm_substream *substream;  in cx231xx_audio_isocirq()  local
128 		substream = dev->adev.capture_pcm_substream;  in cx231xx_audio_isocirq()
129 		runtime = substream->runtime;  in cx231xx_audio_isocirq()
155 			snd_pcm_stream_lock(substream);  in cx231xx_audio_isocirq()
170 			snd_pcm_stream_unlock(substream);  in cx231xx_audio_isocirq()
173 			snd_pcm_period_elapsed(substream);  in cx231xx_audio_isocirq()
194 	struct snd_pcm_substream *substream;  in cx231xx_audio_bulkirq()  local
218 		substream = dev->adev.capture_pcm_substream;  in cx231xx_audio_bulkirq()
219 		runtime = substream->runtime;  in cx231xx_audio_bulkirq()
241 			snd_pcm_stream_lock(substream);  in cx231xx_audio_bulkirq()
256 			snd_pcm_stream_unlock(substream);  in cx231xx_audio_bulkirq()
259 			snd_pcm_period_elapsed(substream);  in cx231xx_audio_bulkirq()
433 static int snd_cx231xx_capture_open(struct snd_pcm_substream *substream)  in snd_cx231xx_capture_open()  argument
435 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_open()
436 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx231xx_capture_open()
473 	dev->adev.capture_pcm_substream = substream;  in snd_cx231xx_capture_open()
479 static int snd_cx231xx_pcm_close(struct snd_pcm_substream *substream)  in snd_cx231xx_pcm_close()  argument
482 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_pcm_close()
517 static int snd_cx231xx_hw_capture_params(struct snd_pcm_substream *substream,  in snd_cx231xx_hw_capture_params()  argument
520 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_hw_capture_params()
525 	ret = snd_pcm_alloc_vmalloc_buffer(substream,  in snd_cx231xx_hw_capture_params()
541 static int snd_cx231xx_hw_capture_free(struct snd_pcm_substream *substream)  in snd_cx231xx_hw_capture_free()  argument
543 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_hw_capture_free()
555 static int snd_cx231xx_prepare(struct snd_pcm_substream *substream)  in snd_cx231xx_prepare()  argument
557 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_prepare()
583 static int snd_cx231xx_capture_trigger(struct snd_pcm_substream *substream,  in snd_cx231xx_capture_trigger()  argument
586 	struct cx231xx *dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_trigger()
612 						     *substream)  in snd_cx231xx_capture_pointer()
618 	dev = snd_pcm_substream_chip(substream);  in snd_cx231xx_capture_pointer()