79 static int snd_timer_free(struct snd_timer *timer);
84 static void snd_timer_reschedule(struct snd_timer * timer, unsigned long ticks_left);
91 							 struct snd_timer *timer)  in snd_timer_instance_new()  argument
108 	timeri->timer = timer;  in snd_timer_instance_new()
109 	if (timer && !try_module_get(timer->module)) {  in snd_timer_instance_new()
123 	struct snd_timer *timer = NULL;  in snd_timer_find()  local
125 	list_for_each_entry(timer, &snd_timer_list, device_list) {  in snd_timer_find()
126 		if (timer->tmr_class != tid->dev_class)  in snd_timer_find()
128 		if ((timer->tmr_class == SNDRV_TIMER_CLASS_CARD ||  in snd_timer_find()
129 		     timer->tmr_class == SNDRV_TIMER_CLASS_PCM) &&  in snd_timer_find()
130 		    (timer->card == NULL ||  in snd_timer_find()
131 		     timer->card->number != tid->card))  in snd_timer_find()
133 		if (timer->tmr_device != tid->device)  in snd_timer_find()
135 		if (timer->tmr_subdevice != tid->subdevice)  in snd_timer_find()
137 		return timer;  in snd_timer_find()
171 	struct snd_timer *timer;  in snd_timer_check_slave()  local
175 	list_for_each_entry(timer, &snd_timer_list, device_list) {  in snd_timer_check_slave()
176 		list_for_each_entry(master, &timer->open_list_head, open_list) {  in snd_timer_check_slave()
179 				if (master->timer->num_instances >=  in snd_timer_check_slave()
180 				    master->timer->max_instances)  in snd_timer_check_slave()
184 				master->timer->num_instances++;  in snd_timer_check_slave()
187 				slave->timer = master->timer;  in snd_timer_check_slave()
210 			if (master->timer->num_instances >=  in snd_timer_check_master()
211 			    master->timer->max_instances)  in snd_timer_check_master()
214 			master->timer->num_instances++;  in snd_timer_check_master()
216 			spin_lock(&master->timer->lock);  in snd_timer_check_master()
218 			slave->timer = master->timer;  in snd_timer_check_master()
222 			spin_unlock(&master->timer->lock);  in snd_timer_check_master()
240 	struct snd_timer *timer;  in snd_timer_open()  local
273 	timer = snd_timer_find(tid);  in snd_timer_open()
275 	if (!timer) {  in snd_timer_open()
279 		timer = snd_timer_find(tid);  in snd_timer_open()
282 	if (!timer) {  in snd_timer_open()
286 	if (!list_empty(&timer->open_list_head)) {  in snd_timer_open()
288 			list_entry(timer->open_list_head.next,  in snd_timer_open()
295 	if (timer->num_instances >= timer->max_instances) {  in snd_timer_open()
299 	timeri = snd_timer_instance_new(owner, timer);  in snd_timer_open()
305 	if (timer->card)  in snd_timer_open()
306 		get_device(&timer->card->card_dev);  in snd_timer_open()
310 	if (list_empty(&timer->open_list_head) && timer->hw.open) {  in snd_timer_open()
311 		err = timer->hw.open(timer);  in snd_timer_open()
317 			if (timer->card)  in snd_timer_open()
318 				card_dev_to_put = &timer->card->card_dev;  in snd_timer_open()
319 			module_put(timer->module);  in snd_timer_open()
324 	list_add_tail(&timeri->open_list, &timer->open_list_head);  in snd_timer_open()
325 	timer->num_instances++;  in snd_timer_open()
349 	struct snd_timer *timer = timeri->timer;  in snd_timer_close_locked()  local
352 	if (timer) {  in snd_timer_close_locked()
353 		spin_lock_irq(&timer->lock);  in snd_timer_close_locked()
355 		spin_unlock_irq(&timer->lock);  in snd_timer_close_locked()
363 	if (timer) {  in snd_timer_close_locked()
364 		timer->num_instances--;  in snd_timer_close_locked()
366 		spin_lock_irq(&timer->lock);  in snd_timer_close_locked()
368 			spin_unlock_irq(&timer->lock);  in snd_timer_close_locked()
370 			spin_lock_irq(&timer->lock);  in snd_timer_close_locked()
372 		spin_unlock_irq(&timer->lock);  in snd_timer_close_locked()
376 		spin_lock(&timer->lock);  in snd_timer_close_locked()
380 			timer->num_instances--;  in snd_timer_close_locked()
382 			slave->timer = NULL;  in snd_timer_close_locked()
386 		spin_unlock(&timer->lock);  in snd_timer_close_locked()
391 			timer = NULL;  in snd_timer_close_locked()
399 	if (timer) {  in snd_timer_close_locked()
400 		if (list_empty(&timer->open_list_head) && timer->hw.close)  in snd_timer_close_locked()
401 			timer->hw.close(timer);  in snd_timer_close_locked()
403 		if (timer->card)  in snd_timer_close_locked()
404 			*card_devp_to_put = &timer->card->card_dev;  in snd_timer_close_locked()
405 		module_put(timer->module);  in snd_timer_close_locked()
432 static unsigned long snd_timer_hw_resolution(struct snd_timer *timer)  in snd_timer_hw_resolution()  argument
434 	if (timer->hw.c_resolution)  in snd_timer_hw_resolution()
435 		return timer->hw.c_resolution(timer);  in snd_timer_hw_resolution()
437 		return timer->hw.resolution;  in snd_timer_hw_resolution()
442 	struct snd_timer * timer;  in snd_timer_resolution()  local
448 	timer = timeri->timer;  in snd_timer_resolution()
449 	if (timer) {  in snd_timer_resolution()
450 		spin_lock_irqsave(&timer->lock, flags);  in snd_timer_resolution()
451 		ret = snd_timer_hw_resolution(timer);  in snd_timer_resolution()
452 		spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_resolution()
460 	struct snd_timer *timer = ti->timer;  in snd_timer_notify1()  local
472 	if (timer &&  in snd_timer_notify1()
475 		resolution = snd_timer_hw_resolution(timer);  in snd_timer_notify1()
480 	if (timer == NULL)  in snd_timer_notify1()
482 	if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)  in snd_timer_notify1()
493 	struct snd_timer *timer;  in snd_timer_start1()  local
497 	timer = timeri->timer;  in snd_timer_start1()
498 	if (!timer)  in snd_timer_start1()
501 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_start1()
506 	if (timer->card && timer->card->shutdown) {  in snd_timer_start1()
522 	list_move_tail(&timeri->active_list, &timer->active_list_head);  in snd_timer_start1()
523 	if (timer->running) {  in snd_timer_start1()
524 		if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)  in snd_timer_start1()
526 		timer->flags |= SNDRV_TIMER_FLG_RESCHED;  in snd_timer_start1()
531 			timer->sticks = ticks;  in snd_timer_start1()
532 		timer->hw.start(timer);  in snd_timer_start1()
534 		timer->running++;  in snd_timer_start1()
541 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_start1()
562 	if (timeri->master && timeri->timer) {  in snd_timer_start_slave()
563 		spin_lock(&timeri->timer->lock);  in snd_timer_start_slave()
568 		spin_unlock(&timeri->timer->lock);  in snd_timer_start_slave()
579 	struct snd_timer *timer;  in snd_timer_stop1()  local
583 	timer = timeri->timer;  in snd_timer_stop1()
584 	if (!timer)  in snd_timer_stop1()
586 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_stop1()
594 	if (timer->card && timer->card->shutdown)  in snd_timer_stop1()
601 	    !(--timer->running)) {  in snd_timer_stop1()
602 		timer->hw.stop(timer);  in snd_timer_stop1()
603 		if (timer->flags & SNDRV_TIMER_FLG_RESCHED) {  in snd_timer_stop1()
604 			timer->flags &= ~SNDRV_TIMER_FLG_RESCHED;  in snd_timer_stop1()
605 			snd_timer_reschedule(timer, 0);  in snd_timer_stop1()
606 			if (timer->flags & SNDRV_TIMER_FLG_CHANGE) {  in snd_timer_stop1()
607 				timer->flags &= ~SNDRV_TIMER_FLG_CHANGE;  in snd_timer_stop1()
608 				timer->hw.start(timer);  in snd_timer_stop1()
620 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_stop1()
635 	if (timeri->timer) {  in snd_timer_stop_slave()
636 		spin_lock(&timeri->timer->lock);  in snd_timer_stop_slave()
641 		spin_unlock(&timeri->timer->lock);  in snd_timer_stop_slave()
709 static void snd_timer_reschedule(struct snd_timer * timer, unsigned long ticks_left)  in snd_timer_reschedule()  argument
714 	list_for_each_entry(ti, &timer->active_list_head, active_list) {  in snd_timer_reschedule()
718 			timer->running++;  in snd_timer_reschedule()
726 		timer->flags &= ~SNDRV_TIMER_FLG_RESCHED;  in snd_timer_reschedule()
729 	if (ticks > timer->hw.ticks)  in snd_timer_reschedule()
730 		ticks = timer->hw.ticks;  in snd_timer_reschedule()
732 		timer->flags |= SNDRV_TIMER_FLG_CHANGE;  in snd_timer_reschedule()
733 	timer->sticks = ticks;  in snd_timer_reschedule()
737 static void snd_timer_process_callbacks(struct snd_timer *timer,  in snd_timer_process_callbacks()  argument
755 			spin_unlock(&timer->lock);  in snd_timer_process_callbacks()
758 			spin_lock(&timer->lock);  in snd_timer_process_callbacks()
765 static void snd_timer_clear_callbacks(struct snd_timer *timer,  in snd_timer_clear_callbacks()  argument
770 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_clear_callbacks()
773 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_clear_callbacks()
782 	struct snd_timer *timer = (struct snd_timer *) arg;  in snd_timer_tasklet()  local
785 	if (timer->card && timer->card->shutdown) {  in snd_timer_tasklet()
786 		snd_timer_clear_callbacks(timer, &timer->sack_list_head);  in snd_timer_tasklet()
790 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_tasklet()
791 	snd_timer_process_callbacks(timer, &timer->sack_list_head);  in snd_timer_tasklet()
792 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_tasklet()
801 void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)  in snd_timer_interrupt()  argument
809 	if (timer == NULL)  in snd_timer_interrupt()
812 	if (timer->card && timer->card->shutdown) {  in snd_timer_interrupt()
813 		snd_timer_clear_callbacks(timer, &timer->ack_list_head);  in snd_timer_interrupt()
817 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_interrupt()
820 	resolution = snd_timer_hw_resolution(timer);  in snd_timer_interrupt()
827 	list_for_each_entry_safe(ti, tmp, &timer->active_list_head,  in snd_timer_interrupt()
845 			--timer->running;  in snd_timer_interrupt()
848 		if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||  in snd_timer_interrupt()
850 			ack_list_head = &timer->ack_list_head;  in snd_timer_interrupt()
852 			ack_list_head = &timer->sack_list_head;  in snd_timer_interrupt()
862 	if (timer->flags & SNDRV_TIMER_FLG_RESCHED)  in snd_timer_interrupt()
863 		snd_timer_reschedule(timer, timer->sticks);  in snd_timer_interrupt()
864 	if (timer->running) {  in snd_timer_interrupt()
865 		if (timer->hw.flags & SNDRV_TIMER_HW_STOP) {  in snd_timer_interrupt()
866 			timer->hw.stop(timer);  in snd_timer_interrupt()
867 			timer->flags |= SNDRV_TIMER_FLG_CHANGE;  in snd_timer_interrupt()
869 		if (!(timer->hw.flags & SNDRV_TIMER_HW_AUTO) ||  in snd_timer_interrupt()
870 		    (timer->flags & SNDRV_TIMER_FLG_CHANGE)) {  in snd_timer_interrupt()
872 			timer->flags &= ~SNDRV_TIMER_FLG_CHANGE;  in snd_timer_interrupt()
873 			timer->hw.start(timer);  in snd_timer_interrupt()
876 		timer->hw.stop(timer);  in snd_timer_interrupt()
880 	snd_timer_process_callbacks(timer, &timer->ack_list_head);  in snd_timer_interrupt()
883 	use_tasklet = !list_empty(&timer->sack_list_head);  in snd_timer_interrupt()
884 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_interrupt()
887 		tasklet_schedule(&timer->task_queue);  in snd_timer_interrupt()
898 	struct snd_timer *timer;  in snd_timer_new()  local
915 	timer = kzalloc(sizeof(*timer), GFP_KERNEL);  in snd_timer_new()
916 	if (!timer)  in snd_timer_new()
918 	timer->tmr_class = tid->dev_class;  in snd_timer_new()
919 	timer->card = card;  in snd_timer_new()
920 	timer->tmr_device = tid->device;  in snd_timer_new()
921 	timer->tmr_subdevice = tid->subdevice;  in snd_timer_new()
923 		strlcpy(timer->id, id, sizeof(timer->id));  in snd_timer_new()
924 	timer->sticks = 1;  in snd_timer_new()
925 	INIT_LIST_HEAD(&timer->device_list);  in snd_timer_new()
926 	INIT_LIST_HEAD(&timer->open_list_head);  in snd_timer_new()
927 	INIT_LIST_HEAD(&timer->active_list_head);  in snd_timer_new()
928 	INIT_LIST_HEAD(&timer->ack_list_head);  in snd_timer_new()
929 	INIT_LIST_HEAD(&timer->sack_list_head);  in snd_timer_new()
930 	spin_lock_init(&timer->lock);  in snd_timer_new()
931 	tasklet_init(&timer->task_queue, snd_timer_tasklet,  in snd_timer_new()
932 		     (unsigned long)timer);  in snd_timer_new()
933 	timer->max_instances = 1000; /* default limit per timer */  in snd_timer_new()
935 		timer->module = card->module;  in snd_timer_new()
936 		err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops);  in snd_timer_new()
938 			snd_timer_free(timer);  in snd_timer_new()
943 		*rtimer = timer;  in snd_timer_new()
948 static int snd_timer_free(struct snd_timer *timer)  in snd_timer_free()  argument
950 	if (!timer)  in snd_timer_free()
954 	if (! list_empty(&timer->open_list_head)) {  in snd_timer_free()
957 		pr_warn("ALSA: timer %p is busy?\n", timer);  in snd_timer_free()
958 		list_for_each_safe(p, n, &timer->open_list_head) {  in snd_timer_free()
961 			ti->timer = NULL;  in snd_timer_free()
964 	list_del(&timer->device_list);  in snd_timer_free()
967 	if (timer->private_free)  in snd_timer_free()
968 		timer->private_free(timer);  in snd_timer_free()
969 	kfree(timer);  in snd_timer_free()
975 	struct snd_timer *timer = device->device_data;  in snd_timer_dev_free()  local
976 	return snd_timer_free(timer);  in snd_timer_dev_free()
981 	struct snd_timer *timer = dev->device_data;  in snd_timer_dev_register()  local
984 	if (snd_BUG_ON(!timer || !timer->hw.start || !timer->hw.stop))  in snd_timer_dev_register()
986 	if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) &&  in snd_timer_dev_register()
987 	    !timer->hw.resolution && timer->hw.c_resolution == NULL)  in snd_timer_dev_register()
992 		if (timer1->tmr_class > timer->tmr_class)  in snd_timer_dev_register()
994 		if (timer1->tmr_class < timer->tmr_class)  in snd_timer_dev_register()
996 		if (timer1->card && timer->card) {  in snd_timer_dev_register()
997 			if (timer1->card->number > timer->card->number)  in snd_timer_dev_register()
999 			if (timer1->card->number < timer->card->number)  in snd_timer_dev_register()
1002 		if (timer1->tmr_device > timer->tmr_device)  in snd_timer_dev_register()
1004 		if (timer1->tmr_device < timer->tmr_device)  in snd_timer_dev_register()
1006 		if (timer1->tmr_subdevice > timer->tmr_subdevice)  in snd_timer_dev_register()
1008 		if (timer1->tmr_subdevice < timer->tmr_subdevice)  in snd_timer_dev_register()
1014 	list_add_tail(&timer->device_list, &timer1->device_list);  in snd_timer_dev_register()
1021 	struct snd_timer *timer = device->device_data;  in snd_timer_dev_disconnect()  local
1025 	list_del_init(&timer->device_list);  in snd_timer_dev_disconnect()
1027 	list_for_each_entry(ti, &timer->open_list_head, open_list) {  in snd_timer_dev_disconnect()
1035 void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstamp)  in snd_timer_notify()  argument
1041 	if (timer->card && timer->card->shutdown)  in snd_timer_notify()
1043 	if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))  in snd_timer_notify()
1048 	spin_lock_irqsave(&timer->lock, flags);  in snd_timer_notify()
1052 		resolution = snd_timer_hw_resolution(timer);  in snd_timer_notify()
1053 	list_for_each_entry(ti, &timer->active_list_head, active_list) {  in snd_timer_notify()
1060 	spin_unlock_irqrestore(&timer->lock, flags);  in snd_timer_notify()
1080 int snd_timer_global_free(struct snd_timer *timer)  in snd_timer_global_free()  argument
1082 	return snd_timer_free(timer);  in snd_timer_global_free()
1086 int snd_timer_global_register(struct snd_timer *timer)  in snd_timer_global_register()  argument
1091 	dev.device_data = timer;  in snd_timer_global_register()
1112 	struct snd_timer *timer = priv->snd_timer;  in snd_timer_s_function()  local
1116 	snd_timer_interrupt(timer, (long)jiff - (long)priv->last_jiffies);  in snd_timer_s_function()
1119 static int snd_timer_s_start(struct snd_timer * timer)  in snd_timer_s_start()  argument
1124 	priv = (struct snd_timer_system_private *) timer->private_data;  in snd_timer_s_start()
1126 	if (priv->correction > timer->sticks - 1) {  in snd_timer_s_start()
1127 		priv->correction -= timer->sticks - 1;  in snd_timer_s_start()
1130 		njiff += timer->sticks - priv->correction;  in snd_timer_s_start()
1138 static int snd_timer_s_stop(struct snd_timer * timer)  in snd_timer_s_stop()  argument
1143 	priv = (struct snd_timer_system_private *) timer->private_data;  in snd_timer_s_stop()
1147 		timer->sticks = priv->last_expires - jiff;  in snd_timer_s_stop()
1149 		timer->sticks = 1;  in snd_timer_s_stop()
1154 static int snd_timer_s_close(struct snd_timer *timer)  in snd_timer_s_close()  argument
1158 	priv = (struct snd_timer_system_private *)timer->private_data;  in snd_timer_s_close()
1173 static void snd_timer_free_system(struct snd_timer *timer)  in snd_timer_free_system()  argument
1175 	kfree(timer->private_data);  in snd_timer_free_system()
1180 	struct snd_timer *timer;  in snd_timer_register_system()  local
1184 	err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer);  in snd_timer_register_system()
1187 	strcpy(timer->name, "system timer");  in snd_timer_register_system()
1188 	timer->hw = snd_timer_system;  in snd_timer_register_system()
1191 		snd_timer_free(timer);  in snd_timer_register_system()
1194 	priv->snd_timer = timer;  in snd_timer_register_system()
1196 	timer->private_data = priv;  in snd_timer_register_system()
1197 	timer->private_free = snd_timer_free_system;  in snd_timer_register_system()
1198 	return snd_timer_global_register(timer);  in snd_timer_register_system()
1209 	struct snd_timer *timer;  in snd_timer_proc_read()  local
1213 	list_for_each_entry(timer, &snd_timer_list, device_list) {  in snd_timer_proc_read()
1214 		if (timer->card && timer->card->shutdown)  in snd_timer_proc_read()
1216 		switch (timer->tmr_class) {  in snd_timer_proc_read()
1218 			snd_iprintf(buffer, "G%i: ", timer->tmr_device);  in snd_timer_proc_read()
1222 				    timer->card->number, timer->tmr_device);  in snd_timer_proc_read()
1225 			snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number,  in snd_timer_proc_read()
1226 				    timer->tmr_device, timer->tmr_subdevice);  in snd_timer_proc_read()
1229 			snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class,  in snd_timer_proc_read()
1230 				    timer->card ? timer->card->number : -1,  in snd_timer_proc_read()
1231 				    timer->tmr_device, timer->tmr_subdevice);  in snd_timer_proc_read()
1233 		snd_iprintf(buffer, "%s :", timer->name);  in snd_timer_proc_read()
1234 		if (timer->hw.resolution)  in snd_timer_proc_read()
1236 				    timer->hw.resolution / 1000,  in snd_timer_proc_read()
1237 				    timer->hw.resolution % 1000,  in snd_timer_proc_read()
1238 				    timer->hw.ticks);  in snd_timer_proc_read()
1239 		if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)  in snd_timer_proc_read()
1242 		list_for_each_entry(ti, &timer->open_list_head, open_list)  in snd_timer_proc_read()
1496 static void snd_timer_user_copy_id(struct snd_timer_id *id, struct snd_timer *timer)  in snd_timer_user_copy_id()  argument
1498 	id->dev_class = timer->tmr_class;  in snd_timer_user_copy_id()
1500 	id->card = timer->card ? timer->card->number : -1;  in snd_timer_user_copy_id()
1501 	id->device = timer->tmr_device;  in snd_timer_user_copy_id()
1502 	id->subdevice = timer->tmr_subdevice;  in snd_timer_user_copy_id()
1508 	struct snd_timer *timer;  in snd_timer_user_next_device()  local
1518 			timer = list_entry(snd_timer_list.next,  in snd_timer_user_next_device()
1520 			snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1527 				timer = list_entry(p, struct snd_timer, device_list);  in snd_timer_user_next_device()
1528 				if (timer->tmr_class > SNDRV_TIMER_CLASS_GLOBAL) {  in snd_timer_user_next_device()
1529 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1532 				if (timer->tmr_device >= id.device) {  in snd_timer_user_next_device()
1533 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1555 				timer = list_entry(p, struct snd_timer, device_list);  in snd_timer_user_next_device()
1556 				if (timer->tmr_class > id.dev_class) {  in snd_timer_user_next_device()
1557 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1560 				if (timer->tmr_class < id.dev_class)  in snd_timer_user_next_device()
1562 				if (timer->card->number > id.card) {  in snd_timer_user_next_device()
1563 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1566 				if (timer->card->number < id.card)  in snd_timer_user_next_device()
1568 				if (timer->tmr_device > id.device) {  in snd_timer_user_next_device()
1569 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1572 				if (timer->tmr_device < id.device)  in snd_timer_user_next_device()
1574 				if (timer->tmr_subdevice > id.subdevice) {  in snd_timer_user_next_device()
1575 					snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1578 				if (timer->tmr_subdevice < id.subdevice)  in snd_timer_user_next_device()
1580 				snd_timer_user_copy_id(&id, timer);  in snd_timer_user_next_device()
1754 	t = tu->timeri->timer;  in snd_timer_user_info()
1784 	t = tu->timeri->timer;  in snd_timer_user_params()
2158 	struct snd_timer *timer, *n;  in snd_timer_free_all()  local
2160 	list_for_each_entry_safe(timer, n, &snd_timer_list, device_list)  in snd_timer_free_all()
2161 		snd_timer_free(timer);  in snd_timer_free_all()