153 				struct line6_pcm_stream *pstr, int type)  in line6_buffer_acquire()  argument
156 	if (!test_and_set_bit(type, &pstr->opened) && !pstr->buffer) {  in line6_buffer_acquire()
157 		pstr->buffer = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS *  in line6_buffer_acquire()
159 		if (!pstr->buffer)  in line6_buffer_acquire()
169 				 struct line6_pcm_stream *pstr, int type)  in line6_buffer_release()  argument
172 	clear_bit(type, &pstr->opened);  in line6_buffer_release()
173 	if (!pstr->opened) {  in line6_buffer_release()
174 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_buffer_release()
175 		kfree(pstr->buffer);  in line6_buffer_release()
176 		pstr->buffer = NULL;  in line6_buffer_release()
185 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_start()  local
188 	spin_lock_irqsave(&pstr->lock, flags);  in line6_stream_start()
189 	if (!test_and_set_bit(type, &pstr->running) &&  in line6_stream_start()
190 	    !(pstr->active_urbs || pstr->unlink_urbs)) {  in line6_stream_start()
191 		pstr->count = 0;  in line6_stream_start()
199 		clear_bit(type, &pstr->running);  in line6_stream_start()
200 	spin_unlock_irqrestore(&pstr->lock, flags);  in line6_stream_start()
209 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_stop()  local
211 	spin_lock_irqsave(&pstr->lock, flags);  in line6_stream_stop()
212 	clear_bit(type, &pstr->running);  in line6_stream_stop()
213 	if (!pstr->running) {  in line6_stream_stop()
214 		line6_unlink_audio_urbs(line6pcm, pstr);  in line6_stream_stop()
220 	spin_unlock_irqrestore(&pstr->lock, flags);  in line6_stream_stop()
275 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_pointer()  local
277 	return pstr->pos_done;  in snd_line6_pointer()
285 	struct line6_pcm_stream *pstr;  in line6_pcm_acquire()  local
290 		pstr = get_stream(line6pcm, dir);  in line6_pcm_acquire()
291 		ret = line6_buffer_acquire(line6pcm, pstr, type);  in line6_pcm_acquire()
294 		if (!pstr->running)  in line6_pcm_acquire()
295 			line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_pcm_acquire()
313 	struct line6_pcm_stream *pstr;  in line6_pcm_release()  local
320 		pstr = get_stream(line6pcm, dir);  in line6_pcm_release()
321 		line6_buffer_release(line6pcm, pstr, type);  in line6_pcm_release()
333 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_params()  local
336 	ret = line6_buffer_acquire(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_params()
343 		line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_params()
347 	pstr->period = params_period_bytes(hw_params);  in snd_line6_hw_params()
357 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_free()  local
360 	line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_free()
565 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_prepare()  local
568 	if (!pstr->running)  in snd_line6_prepare()
569 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in snd_line6_prepare()