37 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_volume_get()  local
39 	ucontrol->value.integer.value[0] = line6pcm->impulse_volume;  in snd_line6_impulse_volume_get()
46 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_volume_put()  local
50 	if (line6pcm->impulse_volume == value)  in snd_line6_impulse_volume_put()
53 	line6pcm->impulse_volume = value;  in snd_line6_impulse_volume_put()
55 		err = line6_pcm_acquire(line6pcm, LINE6_STREAM_IMPULSE);  in snd_line6_impulse_volume_put()
57 			line6pcm->impulse_volume = 0;  in snd_line6_impulse_volume_put()
58 			line6_pcm_release(line6pcm, LINE6_STREAM_IMPULSE);  in snd_line6_impulse_volume_put()
62 		line6_pcm_release(line6pcm, LINE6_STREAM_IMPULSE);  in snd_line6_impulse_volume_put()
81 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_period_get()  local
83 	ucontrol->value.integer.value[0] = line6pcm->impulse_period;  in snd_line6_impulse_period_get()
90 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_period_put()  local
93 	if (line6pcm->impulse_period == value)  in snd_line6_impulse_period_put()
96 	line6pcm->impulse_period = value;  in snd_line6_impulse_period_put()
103 static void line6_unlink_audio_urbs(struct snd_line6_pcm *line6pcm,  in line6_unlink_audio_urbs()  argument
119 static void line6_wait_clear_audio_urbs(struct snd_line6_pcm *line6pcm,  in line6_wait_clear_audio_urbs()  argument
138 		dev_err(line6pcm->line6->ifcdev,  in line6_wait_clear_audio_urbs()
143 get_stream(struct snd_line6_pcm *line6pcm, int direction)  in get_stream()  argument
146 		&line6pcm->out : &line6pcm->in;  in get_stream()
152 static int line6_buffer_acquire(struct snd_line6_pcm *line6pcm,  in line6_buffer_acquire()  argument
158 				       line6pcm->max_packet_size, GFP_KERNEL);  in line6_buffer_acquire()
168 static void line6_buffer_release(struct snd_line6_pcm *line6pcm,  in line6_buffer_release()  argument
174 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_buffer_release()
181 static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction,  in line6_stream_start()  argument
185 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_start()
194 			ret = line6_submit_audio_out_all_urbs(line6pcm);  in line6_stream_start()
196 			ret = line6_submit_audio_in_all_urbs(line6pcm);  in line6_stream_start()
205 static void line6_stream_stop(struct snd_line6_pcm *line6pcm, int direction,  in line6_stream_stop()  argument
209 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_stop()
214 		line6_unlink_audio_urbs(line6pcm, pstr);  in line6_stream_stop()
216 			line6pcm->prev_fbuf = NULL;  in line6_stream_stop()
217 			line6pcm->prev_fsize = 0;  in line6_stream_stop()
226 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_trigger()  local
230 	clear_bit(LINE6_FLAG_PREPARED, &line6pcm->flags);  in snd_line6_trigger()
239 			err = line6_stream_start(line6pcm, s->stream,  in snd_line6_trigger()
247 			line6_stream_stop(line6pcm, s->stream,  in snd_line6_trigger()
254 			set_bit(LINE6_FLAG_PAUSE_PLAYBACK, &line6pcm->flags);  in snd_line6_trigger()
260 			clear_bit(LINE6_FLAG_PAUSE_PLAYBACK, &line6pcm->flags);  in snd_line6_trigger()
274 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_pointer()  local
275 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_pointer()
283 int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type)  in line6_pcm_acquire()  argument
288 	mutex_lock(&line6pcm->state_mutex);  in line6_pcm_acquire()
290 		pstr = get_stream(line6pcm, dir);  in line6_pcm_acquire()
291 		ret = line6_buffer_acquire(line6pcm, pstr, type);  in line6_pcm_acquire()
295 			line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_pcm_acquire()
298 		ret = line6_stream_start(line6pcm, dir, type);  in line6_pcm_acquire()
303 	mutex_unlock(&line6pcm->state_mutex);  in line6_pcm_acquire()
305 		line6_pcm_release(line6pcm, type);  in line6_pcm_acquire()
311 void line6_pcm_release(struct snd_line6_pcm *line6pcm, int type)  in line6_pcm_release()  argument
316 	mutex_lock(&line6pcm->state_mutex);  in line6_pcm_release()
318 		line6_stream_stop(line6pcm, dir, type);  in line6_pcm_release()
320 		pstr = get_stream(line6pcm, dir);  in line6_pcm_release()
321 		line6_buffer_release(line6pcm, pstr, type);  in line6_pcm_release()
323 	mutex_unlock(&line6pcm->state_mutex);  in line6_pcm_release()
332 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_hw_params()  local
333 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_params()
335 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_hw_params()
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()
349 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_hw_params()
356 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_hw_free()  local
357 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_free()
359 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_hw_free()
360 	line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_free()
361 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_hw_free()
382 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_control_playback_get()  local
385 		ucontrol->value.integer.value[i] = line6pcm->volume_playback[i];  in snd_line6_control_playback_get()
395 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_control_playback_put()  local
398 		if (line6pcm->volume_playback[i] !=  in snd_line6_control_playback_put()
400 			line6pcm->volume_playback[i] =  in snd_line6_control_playback_put()
450 	struct snd_line6_pcm *line6pcm = snd_pcm_chip(pcm);  in line6_cleanup_pcm()  local
452 	cleanup_urbs(&line6pcm->out);  in line6_cleanup_pcm()
453 	cleanup_urbs(&line6pcm->in);  in line6_cleanup_pcm()
454 	kfree(line6pcm);  in line6_cleanup_pcm()
486 void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm)  in line6_pcm_disconnect()  argument
488 	line6_unlink_audio_urbs(line6pcm, &line6pcm->out);  in line6_pcm_disconnect()
489 	line6_unlink_audio_urbs(line6pcm, &line6pcm->in);  in line6_pcm_disconnect()
490 	line6_wait_clear_audio_urbs(line6pcm, &line6pcm->out);  in line6_pcm_disconnect()
491 	line6_wait_clear_audio_urbs(line6pcm, &line6pcm->in);  in line6_pcm_disconnect()
505 	struct snd_line6_pcm *line6pcm;  in line6_init_pcm()  local
514 	line6pcm = kzalloc(sizeof(*line6pcm), GFP_KERNEL);  in line6_init_pcm()
515 	if (!line6pcm)  in line6_init_pcm()
518 	mutex_init(&line6pcm->state_mutex);  in line6_init_pcm()
519 	line6pcm->pcm = pcm;  in line6_init_pcm()
520 	line6pcm->properties = properties;  in line6_init_pcm()
521 	line6pcm->volume_playback[0] = line6pcm->volume_playback[1] = 255;  in line6_init_pcm()
522 	line6pcm->volume_monitor = 255;  in line6_init_pcm()
523 	line6pcm->line6 = line6;  in line6_init_pcm()
526 	line6pcm->max_packet_size = min(  in line6_init_pcm()
532 	spin_lock_init(&line6pcm->out.lock);  in line6_init_pcm()
533 	spin_lock_init(&line6pcm->in.lock);  in line6_init_pcm()
534 	line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD;  in line6_init_pcm()
536 	line6->line6pcm = line6pcm;  in line6_init_pcm()
538 	pcm->private_data = line6pcm;  in line6_init_pcm()
541 	err = line6_create_audio_out_urbs(line6pcm);  in line6_init_pcm()
545 	err = line6_create_audio_in_urbs(line6pcm);  in line6_init_pcm()
552 				  snd_ctl_new1(&line6_controls[i], line6pcm));  in line6_init_pcm()
564 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_prepare()  local
565 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_prepare()
567 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_prepare()
569 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in snd_line6_prepare()
571 	if (!test_and_set_bit(LINE6_FLAG_PREPARED, &line6pcm->flags)) {  in snd_line6_prepare()
572 		line6pcm->out.count = 0;  in snd_line6_prepare()
573 		line6pcm->out.pos = 0;  in snd_line6_prepare()
574 		line6pcm->out.pos_done = 0;  in snd_line6_prepare()
575 		line6pcm->out.bytes = 0;  in snd_line6_prepare()
576 		line6pcm->in.count = 0;  in snd_line6_prepare()
577 		line6pcm->in.pos_done = 0;  in snd_line6_prepare()
578 		line6pcm->in.bytes = 0;  in snd_line6_prepare()
581 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_prepare()