usb/line6/pcm.c

148 				struct line6_pcm_stream *pstr, int direction, int type)
156 	if (!test_and_set_bit(type, &pstr->opened) && !pstr->buffer) {
157 		pstr->buffer =
161 		if (!pstr->buffer)
171 				 struct line6_pcm_stream *pstr, int type)
173 	clear_bit(type, &pstr->opened);
174 	if (!pstr->opened) {
175 		line6_wait_clear_audio_urbs(line6pcm, pstr);
176 		kfree(pstr->buffer);
177 		pstr->buffer = NULL;
186 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);
189 	spin_lock_irqsave(&pstr->lock, flags);
190 	if (!test_and_set_bit(type, &pstr->running) &&
191 	    !(pstr->active_urbs || pstr->unlink_urbs)) {
192 		pstr->count = 0;
201 		clear_bit(type, &pstr->running);
202 	spin_unlock_irqrestore(&pstr->lock, flags);
211 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);
213 	spin_lock_irqsave(&pstr->lock, flags);
214 	clear_bit(type, &pstr->running);
215 	if (!pstr->running) {
216 		spin_unlock_irqrestore(&pstr->lock, flags);
217 		line6_unlink_audio_urbs(line6pcm, pstr);
218 		spin_lock_irqsave(&pstr->lock, flags);
224 	spin_unlock_irqrestore(&pstr->lock, flags);
293 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);
295 	return pstr->pos_done;
303 	struct line6_pcm_stream *pstr;
309 		pstr = get_stream(line6pcm, dir);
310 		ret = line6_buffer_acquire(line6pcm, pstr, dir, type);
313 		if (!pstr->running)
314 			line6_wait_clear_audio_urbs(line6pcm, pstr);
334 	struct line6_pcm_stream *pstr;
341 		pstr = get_stream(line6pcm, dir);
342 		line6_buffer_release(line6pcm, pstr, type);
354 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);
357 	ret = line6_buffer_acquire(line6pcm, pstr, substream->stream,
362 	pstr->period = params_period_bytes(hw_params);
372 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);
375 	line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);
589 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);
592 	if (!pstr->running)
593 		line6_wait_clear_audio_urbs(line6pcm, pstr);