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, true);  in snd_line6_impulse_volume_put()
57 			line6pcm->impulse_volume = 0;  in snd_line6_impulse_volume_put()
61 		line6_pcm_release(line6pcm, LINE6_STREAM_IMPULSE);  in snd_line6_impulse_volume_put()
80 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_period_get()  local
82 	ucontrol->value.integer.value[0] = line6pcm->impulse_period;  in snd_line6_impulse_period_get()
89 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_impulse_period_put()  local
92 	if (line6pcm->impulse_period == value)  in snd_line6_impulse_period_put()
95 	line6pcm->impulse_period = value;  in snd_line6_impulse_period_put()
102 static void line6_unlink_audio_urbs(struct snd_line6_pcm *line6pcm,  in line6_unlink_audio_urbs()  argument
107 	for (i = 0; i < line6pcm->line6->iso_buffers; i++) {  in line6_unlink_audio_urbs()
118 static void line6_wait_clear_audio_urbs(struct snd_line6_pcm *line6pcm,  in line6_wait_clear_audio_urbs()  argument
127 		for (i = 0; i < line6pcm->line6->iso_buffers; i++) {  in line6_wait_clear_audio_urbs()
137 		dev_err(line6pcm->line6->ifcdev,  in line6_wait_clear_audio_urbs()
142 get_stream(struct snd_line6_pcm *line6pcm, int direction)  in get_stream()  argument
145 		&line6pcm->out : &line6pcm->in;  in get_stream()
151 static int line6_buffer_acquire(struct snd_line6_pcm *line6pcm,  in line6_buffer_acquire()  argument
156 			line6pcm->max_packet_size_out :  in line6_buffer_acquire()
157 			line6pcm->max_packet_size_in;  in line6_buffer_acquire()
162 			kmalloc(array3_size(line6pcm->line6->iso_buffers,  in line6_buffer_acquire()
174 static void line6_buffer_release(struct snd_line6_pcm *line6pcm,  in line6_buffer_release()  argument
179 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_buffer_release()
186 static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction,  in line6_stream_start()  argument
190 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_start()
199 			ret = line6_submit_audio_out_all_urbs(line6pcm);  in line6_stream_start()
201 			ret = line6_submit_audio_in_all_urbs(line6pcm);  in line6_stream_start()
211 static void line6_stream_stop(struct snd_line6_pcm *line6pcm, int direction,  in line6_stream_stop()  argument
215 	struct line6_pcm_stream *pstr = get_stream(line6pcm, direction);  in line6_stream_stop()
221 		line6_unlink_audio_urbs(line6pcm, pstr);  in line6_stream_stop()
224 			line6pcm->prev_fbuf = NULL;  in line6_stream_stop()
225 			line6pcm->prev_fsize = 0;  in line6_stream_stop()
234 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_trigger()  local
238 	clear_bit(LINE6_FLAG_PREPARED, &line6pcm->flags);  in snd_line6_trigger()
248 				(line6pcm->line6->properties->capabilities &  in snd_line6_trigger()
250 				err = line6_stream_start(line6pcm, SNDRV_PCM_STREAM_PLAYBACK,  in snd_line6_trigger()
255 			err = line6_stream_start(line6pcm, s->stream,  in snd_line6_trigger()
264 				(line6pcm->line6->properties->capabilities &  in snd_line6_trigger()
266 				line6_stream_stop(line6pcm, SNDRV_PCM_STREAM_PLAYBACK,  in snd_line6_trigger()
269 			line6_stream_stop(line6pcm, s->stream,  in snd_line6_trigger()
276 			set_bit(LINE6_FLAG_PAUSE_PLAYBACK, &line6pcm->flags);  in snd_line6_trigger()
282 			clear_bit(LINE6_FLAG_PAUSE_PLAYBACK, &line6pcm->flags);  in snd_line6_trigger()
296 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_pointer()  local
297 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_pointer()
305 int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type, bool start)  in line6_pcm_acquire()  argument
311 	mutex_lock(&line6pcm->state_mutex);  in line6_pcm_acquire()
313 		pstr = get_stream(line6pcm, dir);  in line6_pcm_acquire()
314 		ret = line6_buffer_acquire(line6pcm, pstr, dir, type);  in line6_pcm_acquire()
318 			line6_wait_clear_audio_urbs(line6pcm, pstr);  in line6_pcm_acquire()
322 			ret = line6_stream_start(line6pcm, dir, type);  in line6_pcm_acquire()
328 	mutex_unlock(&line6pcm->state_mutex);  in line6_pcm_acquire()
330 		line6_pcm_release(line6pcm, type);  in line6_pcm_acquire()
336 void line6_pcm_release(struct snd_line6_pcm *line6pcm, int type)  in line6_pcm_release()  argument
341 	mutex_lock(&line6pcm->state_mutex);  in line6_pcm_release()
343 		line6_stream_stop(line6pcm, dir, type);  in line6_pcm_release()
345 		pstr = get_stream(line6pcm, dir);  in line6_pcm_release()
346 		line6_buffer_release(line6pcm, pstr, type);  in line6_pcm_release()
348 	mutex_unlock(&line6pcm->state_mutex);  in line6_pcm_release()
357 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_hw_params()  local
358 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_params()
360 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_hw_params()
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()
375 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_hw_params()
382 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_hw_free()  local
383 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_hw_free()
385 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_hw_free()
386 	line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);  in snd_line6_hw_free()
387 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_hw_free()
408 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_control_playback_get()  local
411 		ucontrol->value.integer.value[i] = line6pcm->volume_playback[i];  in snd_line6_control_playback_get()
421 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);  in snd_line6_control_playback_put()  local
424 		if (line6pcm->volume_playback[i] !=  in snd_line6_control_playback_put()
426 			line6pcm->volume_playback[i] =  in snd_line6_control_playback_put()
482 	struct snd_line6_pcm *line6pcm = snd_pcm_chip(pcm);  in line6_cleanup_pcm()  local
484 	cleanup_urbs(&line6pcm->out, line6pcm->line6->iso_buffers);  in line6_cleanup_pcm()
485 	cleanup_urbs(&line6pcm->in, line6pcm->line6->iso_buffers);  in line6_cleanup_pcm()
486 	kfree(line6pcm);  in line6_cleanup_pcm()
518 void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm)  in line6_pcm_disconnect()  argument
520 	line6_unlink_audio_urbs(line6pcm, &line6pcm->out);  in line6_pcm_disconnect()
521 	line6_unlink_audio_urbs(line6pcm, &line6pcm->in);  in line6_pcm_disconnect()
522 	line6_wait_clear_audio_urbs(line6pcm, &line6pcm->out);  in line6_pcm_disconnect()
523 	line6_wait_clear_audio_urbs(line6pcm, &line6pcm->in);  in line6_pcm_disconnect()
537 	struct snd_line6_pcm *line6pcm;  in line6_init_pcm()  local
546 	line6pcm = kzalloc(sizeof(*line6pcm), GFP_KERNEL);  in line6_init_pcm()
547 	if (!line6pcm)  in line6_init_pcm()
550 	mutex_init(&line6pcm->state_mutex);  in line6_init_pcm()
551 	line6pcm->pcm = pcm;  in line6_init_pcm()
552 	line6pcm->properties = properties;  in line6_init_pcm()
553 	line6pcm->volume_playback[0] = line6pcm->volume_playback[1] = 255;  in line6_init_pcm()
554 	line6pcm->volume_monitor = 255;  in line6_init_pcm()
555 	line6pcm->line6 = line6;  in line6_init_pcm()
557 	line6pcm->max_packet_size_in =  in line6_init_pcm()
560 	line6pcm->max_packet_size_out =  in line6_init_pcm()
564 	spin_lock_init(&line6pcm->out.lock);  in line6_init_pcm()
565 	spin_lock_init(&line6pcm->in.lock);  in line6_init_pcm()
566 	line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD;  in line6_init_pcm()
568 	line6->line6pcm = line6pcm;  in line6_init_pcm()
570 	pcm->private_data = line6pcm;  in line6_init_pcm()
573 	err = line6_create_audio_out_urbs(line6pcm);  in line6_init_pcm()
577 	err = line6_create_audio_in_urbs(line6pcm);  in line6_init_pcm()
584 				  snd_ctl_new1(&line6_controls[i], line6pcm));  in line6_init_pcm()
596 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_prepare()  local
597 	struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);  in snd_line6_prepare()
599 	mutex_lock(&line6pcm->state_mutex);  in snd_line6_prepare()
601 		line6_wait_clear_audio_urbs(line6pcm, pstr);  in snd_line6_prepare()
603 	if (!test_and_set_bit(LINE6_FLAG_PREPARED, &line6pcm->flags)) {  in snd_line6_prepare()
604 		line6pcm->out.count = 0;  in snd_line6_prepare()
605 		line6pcm->out.pos = 0;  in snd_line6_prepare()
606 		line6pcm->out.pos_done = 0;  in snd_line6_prepare()
607 		line6pcm->out.bytes = 0;  in snd_line6_prepare()
608 		line6pcm->in.count = 0;  in snd_line6_prepare()
609 		line6pcm->in.pos_done = 0;  in snd_line6_prepare()
610 		line6pcm->in.bytes = 0;  in snd_line6_prepare()
613 	mutex_unlock(&line6pcm->state_mutex);  in snd_line6_prepare()