201 			struct snd_kcontrol *kctl, unsigned int ioff)  in snd_ctl_notify_one()  argument
203 	struct snd_ctl_elem_id id = kctl->id;  in snd_ctl_notify_one()
211 		lops->lnotify(card, mask, kctl, ioff);  in snd_ctl_notify_one()
229 static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count,  in snd_ctl_new()  argument
237 	*kctl = kzalloc(struct_size(*kctl, vd, count), GFP_KERNEL);  in snd_ctl_new()
238 	if (!*kctl)  in snd_ctl_new()
242 		(*kctl)->vd[idx].access = access;  in snd_ctl_new()
243 		(*kctl)->vd[idx].owner = file;  in snd_ctl_new()
245 	(*kctl)->count = count;  in snd_ctl_new()
264 	struct snd_kcontrol *kctl;  in snd_ctl_new1()  local
288 	err = snd_ctl_new(&kctl, count, access, NULL);  in snd_ctl_new1()
293 	kctl->id.iface = ncontrol->iface;  in snd_ctl_new1()
294 	kctl->id.device = ncontrol->device;  in snd_ctl_new1()
295 	kctl->id.subdevice = ncontrol->subdevice;  in snd_ctl_new1()
297 		strscpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name));  in snd_ctl_new1()
298 		if (strcmp(ncontrol->name, kctl->id.name) != 0)  in snd_ctl_new1()
300 				ncontrol->name, kctl->id.name);  in snd_ctl_new1()
302 	kctl->id.index = ncontrol->index;  in snd_ctl_new1()
304 	kctl->info = ncontrol->info;  in snd_ctl_new1()
305 	kctl->get = ncontrol->get;  in snd_ctl_new1()
306 	kctl->put = ncontrol->put;  in snd_ctl_new1()
307 	kctl->tlv.p = ncontrol->tlv.p;  in snd_ctl_new1()
309 	kctl->private_value = ncontrol->private_value;  in snd_ctl_new1()
310 	kctl->private_data = private_data;  in snd_ctl_new1()
312 	return kctl;  in snd_ctl_new1()
337 	struct snd_kcontrol *kctl;  in snd_ctl_remove_numid_conflict()  local
343 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_remove_numid_conflict()
344 		if (kctl->id.numid < card->last_numid + 1 + count &&  in snd_ctl_remove_numid_conflict()
345 		    kctl->id.numid + kctl->count > card->last_numid + 1) {  in snd_ctl_remove_numid_conflict()
346 		    	card->last_numid = kctl->id.numid + kctl->count - 1;  in snd_ctl_remove_numid_conflict()
520 	struct snd_kcontrol *kctl;  in snd_ctl_remove_id()  local
524 	kctl = snd_ctl_find_id(card, id);  in snd_ctl_remove_id()
525 	if (kctl == NULL) {  in snd_ctl_remove_id()
529 	ret = snd_ctl_remove(card, kctl);  in snd_ctl_remove_id()
549 	struct snd_kcontrol *kctl;  in snd_ctl_remove_user_ctl()  local
553 	kctl = snd_ctl_find_id(card, id);  in snd_ctl_remove_user_ctl()
554 	if (kctl == NULL) {  in snd_ctl_remove_user_ctl()
558 	if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) {  in snd_ctl_remove_user_ctl()
562 	for (idx = 0; idx < kctl->count; idx++)  in snd_ctl_remove_user_ctl()
563 		if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {  in snd_ctl_remove_user_ctl()
567 	ret = snd_ctl_remove(card, kctl);  in snd_ctl_remove_user_ctl()
588 	struct snd_kcontrol *kctl;  in snd_ctl_activate_id()  local
594 	kctl = snd_ctl_find_id(card, id);  in snd_ctl_activate_id()
595 	if (kctl == NULL) {  in snd_ctl_activate_id()
599 	index_offset = snd_ctl_get_ioff(kctl, id);  in snd_ctl_activate_id()
600 	vd = &kctl->vd[index_offset];  in snd_ctl_activate_id()
611 	snd_ctl_build_ioff(id, kctl, index_offset);  in snd_ctl_activate_id()
613 	snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_INFO, kctl, index_offset);  in snd_ctl_activate_id()
637 	struct snd_kcontrol *kctl;  in snd_ctl_rename_id()  local
640 	kctl = snd_ctl_find_id(card, src_id);  in snd_ctl_rename_id()
641 	if (kctl == NULL) {  in snd_ctl_rename_id()
645 	kctl->id = *dst_id;  in snd_ctl_rename_id()
646 	kctl->id.numid = card->last_numid + 1;  in snd_ctl_rename_id()
647 	card->last_numid += kctl->count;  in snd_ctl_rename_id()
668 	struct snd_kcontrol *kctl;  in snd_ctl_find_numid()  local
672 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_find_numid()
673 		if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid)  in snd_ctl_find_numid()
674 			return kctl;  in snd_ctl_find_numid()
696 	struct snd_kcontrol *kctl;  in snd_ctl_find_id()  local
702 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_find_id()
703 		if (kctl->id.iface != id->iface)  in snd_ctl_find_id()
705 		if (kctl->id.device != id->device)  in snd_ctl_find_id()
707 		if (kctl->id.subdevice != id->subdevice)  in snd_ctl_find_id()
709 		if (strncmp(kctl->id.name, id->name, sizeof(kctl->id.name)))  in snd_ctl_find_id()
711 		if (kctl->id.index > id->index)  in snd_ctl_find_id()
713 		if (kctl->id.index + kctl->count <= id->index)  in snd_ctl_find_id()
715 		return kctl;  in snd_ctl_find_id()
749 	struct snd_kcontrol *kctl;  in snd_ctl_elem_list()  local
761 		list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_elem_list()
762 			if (offset >= kctl->count) {  in snd_ctl_elem_list()
763 				offset -= kctl->count;  in snd_ctl_elem_list()
766 			for (jidx = offset; jidx < kctl->count; jidx++) {  in snd_ctl_elem_list()
767 				snd_ctl_build_ioff(&id, kctl, jidx);  in snd_ctl_elem_list()
987 			       struct snd_kcontrol *kctl,  in __snd_ctl_elem_info()  argument
1000 		result = kctl->info(kctl, info);  in __snd_ctl_elem_info()
1004 		index_offset = snd_ctl_get_ioff(kctl, &info->id);  in __snd_ctl_elem_info()
1005 		vd = &kctl->vd[index_offset];  in __snd_ctl_elem_info()
1006 		snd_ctl_build_ioff(&info->id, kctl, index_offset);  in __snd_ctl_elem_info()
1027 	struct snd_kcontrol *kctl;  in snd_ctl_elem_info()  local
1031 	kctl = snd_ctl_find_id(card, &info->id);  in snd_ctl_elem_info()
1032 	if (kctl == NULL)  in snd_ctl_elem_info()
1035 		result = __snd_ctl_elem_info(card, kctl, info, ctl);  in snd_ctl_elem_info()
1062 	struct snd_kcontrol *kctl;  in snd_ctl_elem_read()  local
1069 	kctl = snd_ctl_find_id(card, &control->id);  in snd_ctl_elem_read()
1070 	if (kctl == NULL)  in snd_ctl_elem_read()
1073 	index_offset = snd_ctl_get_ioff(kctl, &control->id);  in snd_ctl_elem_read()
1074 	vd = &kctl->vd[index_offset];  in snd_ctl_elem_read()
1075 	if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL)  in snd_ctl_elem_read()
1078 	snd_ctl_build_ioff(&control->id, kctl, index_offset);  in snd_ctl_elem_read()
1084 	ret = __snd_ctl_elem_info(card, kctl, &info, NULL);  in snd_ctl_elem_read()
1093 		ret = kctl->get(kctl, control);  in snd_ctl_elem_read()
1135 	struct snd_kcontrol *kctl;  in snd_ctl_elem_write()  local
1141 	kctl = snd_ctl_find_id(card, &control->id);  in snd_ctl_elem_write()
1142 	if (kctl == NULL) {  in snd_ctl_elem_write()
1147 	index_offset = snd_ctl_get_ioff(kctl, &control->id);  in snd_ctl_elem_write()
1148 	vd = &kctl->vd[index_offset];  in snd_ctl_elem_write()
1149 	if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) || kctl->put == NULL ||  in snd_ctl_elem_write()
1155 	snd_ctl_build_ioff(&control->id, kctl, index_offset);  in snd_ctl_elem_write()
1158 		result = kctl->put(kctl, control);  in snd_ctl_elem_write()
1167 		snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_VALUE, kctl, index_offset);  in snd_ctl_elem_write()
1204 	struct snd_kcontrol *kctl;  in snd_ctl_elem_lock()  local
1211 	kctl = snd_ctl_find_id(card, &id);  in snd_ctl_elem_lock()
1212 	if (kctl == NULL) {  in snd_ctl_elem_lock()
1215 		vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];  in snd_ctl_elem_lock()
1232 	struct snd_kcontrol *kctl;  in snd_ctl_elem_unlock()  local
1239 	kctl = snd_ctl_find_id(card, &id);  in snd_ctl_elem_unlock()
1240 	if (kctl == NULL) {  in snd_ctl_elem_unlock()
1243 		vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];  in snd_ctl_elem_unlock()
1339 static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,  in replace_user_tlv()  argument
1342 	struct user_element *ue = kctl->private_data;  in replace_user_tlv()
1369 		for (i = 0; i < kctl->count; ++i)  in replace_user_tlv()
1370 			kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;  in replace_user_tlv()
1384 	for (i = 0; i < kctl->count; ++i)  in replace_user_tlv()
1385 		snd_ctl_notify_one(ue->card, mask, kctl, i);  in replace_user_tlv()
1390 static int read_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,  in read_user_tlv()  argument
1393 	struct user_element *ue = kctl->private_data;  in read_user_tlv()
1407 static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kctl, int op_flag,  in snd_ctl_elem_user_tlv()  argument
1411 		return replace_user_tlv(kctl, buf, size);  in snd_ctl_elem_user_tlv()
1413 		return read_user_tlv(kctl, buf, size);  in snd_ctl_elem_user_tlv()
1478 	struct snd_kcontrol *kctl;  in snd_ctl_elem_add()  local
1544 	err = snd_ctl_new(&kctl, count, access, file);  in snd_ctl_elem_add()
1547 	memcpy(&kctl->id, &info->id, sizeof(kctl->id));  in snd_ctl_elem_add()
1550 		kfree(kctl);  in snd_ctl_elem_add()
1554 	kctl->private_data = ue;  in snd_ctl_elem_add()
1555 	kctl->private_free = snd_ctl_elem_user_free;  in snd_ctl_elem_add()
1569 			snd_ctl_free_one(kctl);  in snd_ctl_elem_add()
1576 		kctl->info = snd_ctl_elem_user_enum_info;  in snd_ctl_elem_add()
1578 		kctl->info = snd_ctl_elem_user_info;  in snd_ctl_elem_add()
1580 		kctl->get = snd_ctl_elem_user_get;  in snd_ctl_elem_add()
1582 		kctl->put = snd_ctl_elem_user_put;  in snd_ctl_elem_add()
1584 		kctl->tlv.c = snd_ctl_elem_user_tlv;  in snd_ctl_elem_add()
1587 	err = __snd_ctl_add_replace(card, kctl, CTL_ADD_EXCLUSIVE);  in snd_ctl_elem_add()
1589 		snd_ctl_free_one(kctl);  in snd_ctl_elem_add()
1592 	offset = snd_ctl_get_ioff(kctl, &info->id);  in snd_ctl_elem_add()
1593 	snd_ctl_build_ioff(&info->id, kctl, offset);  in snd_ctl_elem_add()
1657 			    struct snd_kcontrol *kctl,  in call_tlv_handler()  argument
1669 	struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)];  in call_tlv_handler()
1680 	if (kctl->tlv.c == NULL)  in call_tlv_handler()
1690 		ret = kctl->tlv.c(kctl, op_flag, size, buf);  in call_tlv_handler()
1695 static int read_tlv_buf(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id,  in read_tlv_buf()  argument
1698 	struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)];  in read_tlv_buf()
1704 	if (kctl->tlv.p == NULL)  in read_tlv_buf()
1707 	len = sizeof(unsigned int) * 2 + kctl->tlv.p[1];  in read_tlv_buf()
1711 	if (copy_to_user(buf, kctl->tlv.p, len))  in read_tlv_buf()
1724 	struct snd_kcontrol *kctl;  in snd_ctl_tlv_ioctl()  local
1741 	kctl = snd_ctl_find_numid(file->card, header.numid);  in snd_ctl_tlv_ioctl()
1742 	if (kctl == NULL)  in snd_ctl_tlv_ioctl()
1746 	id = kctl->id;  in snd_ctl_tlv_ioctl()
1747 	snd_ctl_build_ioff(&id, kctl, header.numid - id.numid);  in snd_ctl_tlv_ioctl()
1748 	vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];  in snd_ctl_tlv_ioctl()
1751 		return call_tlv_handler(file, op_flag, kctl, &id, container,  in snd_ctl_tlv_ioctl()
1755 			return read_tlv_buf(kctl, &id, container,  in snd_ctl_tlv_ioctl()
2013 	struct snd_ctl_file *kctl;  in snd_ctl_get_preferred_subdevice()  local
2018 	list_for_each_entry(kctl, &card->ctl_files, list) {  in snd_ctl_get_preferred_subdevice()
2019 		if (kctl->pid == task_pid(current)) {  in snd_ctl_get_preferred_subdevice()
2020 			subdevice = kctl->preferred_subdevice[type];  in snd_ctl_get_preferred_subdevice()