90 	struct snd_pcm_substream *substream;  in em28xx_audio_isocirq()  local
116 		substream = dev->adev.capture_pcm_substream;  in em28xx_audio_isocirq()
117 		runtime = substream->runtime;  in em28xx_audio_isocirq()
142 			snd_pcm_stream_lock(substream);  in em28xx_audio_isocirq()
158 			snd_pcm_stream_unlock(substream);  in em28xx_audio_isocirq()
161 			snd_pcm_period_elapsed(substream);  in em28xx_audio_isocirq()
250 static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)  in snd_em28xx_capture_open()  argument
252 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_capture_open()
253 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_em28xx_capture_open()
267 	nonblock = !!(substream->f_flags & O_NONBLOCK);  in snd_em28xx_capture_open()
315 	dev->adev.capture_pcm_substream = substream;  in snd_em28xx_capture_open()
325 static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream)  in snd_em28xx_pcm_close()  argument
327 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_pcm_close()
340 	if (substream->runtime->dma_area) {  in snd_em28xx_pcm_close()
342 		vfree(substream->runtime->dma_area);  in snd_em28xx_pcm_close()
343 		substream->runtime->dma_area = NULL;  in snd_em28xx_pcm_close()
351 static int snd_em28xx_hw_capture_params(struct snd_pcm_substream *substream,  in snd_em28xx_hw_capture_params()  argument
355 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_hw_capture_params()
362 	ret = snd_pcm_alloc_vmalloc_buffer(substream,  in snd_em28xx_hw_capture_params()
380 static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream)  in snd_em28xx_hw_capture_free()  argument
382 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_hw_capture_free()
395 static int snd_em28xx_prepare(struct snd_pcm_substream *substream)  in snd_em28xx_prepare()  argument
397 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_prepare()
423 static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,  in snd_em28xx_capture_trigger()  argument
426 	struct em28xx *dev = snd_pcm_substream_chip(substream);  in snd_em28xx_capture_trigger()
451 						    *substream)  in snd_em28xx_capture_pointer()
457 	dev = snd_pcm_substream_chip(substream);  in snd_em28xx_capture_pointer()
499 	struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream;  in em28xx_vol_put()  local
508 	if (substream)  in em28xx_vol_put()
509 		nonblock = !!(substream->f_flags & O_NONBLOCK);  in em28xx_vol_put()
539 	struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream;  in em28xx_vol_get()  local
546 	if (substream)  in em28xx_vol_get()
547 		nonblock = !!(substream->f_flags & O_NONBLOCK);  in em28xx_vol_get()
574 	struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream;  in em28xx_vol_put_mute()  local
581 	if (substream)  in em28xx_vol_put_mute()
582 		nonblock = !!(substream->f_flags & O_NONBLOCK);  in em28xx_vol_put_mute()
615 	struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream;  in em28xx_vol_get_mute()  local
622 	if (substream)  in em28xx_vol_get_mute()
623 		nonblock = !!(substream->f_flags & O_NONBLOCK);  in em28xx_vol_get_mute()