153 	if (dpcm->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in get_setup()
198 static int loopback_check_format(struct loopback_cable *cable, int stream)  in loopback_check_format()  argument
206 		if (stream == SNDRV_PCM_STREAM_PLAYBACK)  in loopback_check_format()
219 	if (stream == SNDRV_PCM_STREAM_CAPTURE) {  in loopback_check_format()
260 	int err, stream = 1 << substream->stream;  in loopback_trigger()  local
264 		err = loopback_check_format(cable, substream->stream);  in loopback_trigger()
271 		cable->running |= stream;  in loopback_trigger()
272 		cable->pause &= ~stream;  in loopback_trigger()
275 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in loopback_trigger()
280 		cable->running &= ~stream;  in loopback_trigger()
281 		cable->pause &= ~stream;  in loopback_trigger()
284 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in loopback_trigger()
290 		cable->pause |= stream;  in loopback_trigger()
298 		cable->pause &= ~stream;  in loopback_trigger()
353 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in loopback_prepare()
367 	if (!(cable->valid & ~(1 << substream->stream)) ||  in loopback_prepare()
369 	     substream->stream == SNDRV_PCM_STREAM_PLAYBACK))  in loopback_prepare()
371 	cable->valid |= 1 << substream->stream;  in loopback_prepare()
538 	if (loopback_pos_update(dpcm->cable) & (1 << dpcm->substream->stream)) {  in loopback_timer_function()
607 	cable->valid &= ~(1 << substream->stream);  in loopback_hw_free()
615 		return substream->stream;  in get_cable_index()
617 		return !substream->stream;  in get_cable_index()
694 	cable->streams[substream->stream] = dpcm;  in loopback_open()
741 	if (cable->streams[!substream->stream]) {  in loopback_close()
743 		cable->streams[substream->stream] = NULL;  in loopback_close()