152 				struct line6_pcm_stream *pstr, int direction, int type)  in line6_buffer_acquire()  argument
160 	if (!test_and_set_bit(type, &pstr->opened) && !pstr->buffer) {  in line6_buffer_acquire()
161 		pstr->buffer =  in line6_buffer_acquire()
165 		if (!pstr->buffer)  in line6_buffer_acquire()
175 				 struct line6_pcm_stream *pstr, int type)  in line6_buffer_release()  argument
177 	clear_bit(type, &pstr->opened);  in line6_buffer_release()
178 	if (!pstr->opened) {  in line6_buffer_release()
179 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_buffer_release()
180 		kfree(pstr->buffer);  in line6_buffer_release()
181 		pstr->buffer = NULL;  in line6_buffer_release()
190 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_start()  local
193 	spin_lock_irqsave(&pstr->lock, flags);  in line6_stream_start()
194 	if (!test_and_set_bit(type, &pstr->running) &&  in line6_stream_start()
195 	    !(pstr->active_urbs || pstr->unlink_urbs)) {  in line6_stream_start()
196 		pstr->count = 0;  in line6_stream_start()
205 		clear_bit(type, &pstr->running);  in line6_stream_start()
206 	spin_unlock_irqrestore(&pstr->lock, flags);  in line6_stream_start()
215 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_stop()  local
217 	spin_lock_irqsave(&pstr->lock, flags);  in line6_stream_stop()
218 	clear_bit(type, &pstr->running);  in line6_stream_stop()
219 	if (!pstr->running) {  in line6_stream_stop()
220 		spin_unlock_irqrestore(&pstr->lock, flags);  in line6_stream_stop()
221 		line6_unlink_audio_urbs(line6pcm, pstr);  in line6_stream_stop()
222 		spin_lock_irqsave(&pstr->lock, flags);  in line6_stream_stop()
228 	spin_unlock_irqrestore(&pstr->lock, flags);  in line6_stream_stop()
297 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_pointer()  local
299 	return pstr->pos_done;  in snd_line6_pointer()
307 	struct line6_pcm_stream *pstr;  in line6_pcm_acquire()  local
313 		pstr = get_stream(line6pcm, dir);  in line6_pcm_acquire()
314 		ret = line6_buffer_acquire(line6pcm, pstr, dir, type);  in line6_pcm_acquire()
317 		if (!pstr->running)  in line6_pcm_acquire()
318 			line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_pcm_acquire()
338 	struct line6_pcm_stream *pstr;  in line6_pcm_release()  local
345 		pstr = get_stream(line6pcm, dir);  in line6_pcm_release()
346 		line6_buffer_release(line6pcm, pstr, type);  in line6_pcm_release()
358 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_params()  local
361 	ret = line6_buffer_acquire(line6pcm, pstr, substream->stream,  in snd_line6_hw_params()
369 		line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_params()
373 	pstr->period = params_period_bytes(hw_params);  in snd_line6_hw_params()
383 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_free()  local
386 	line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_free()
602 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_prepare()  local
605 	if (!pstr->running)  in snd_line6_prepare()
606 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in snd_line6_prepare()