207 static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count,  in snd_ctl_new()  argument
219 	*kctl = kzalloc(size, GFP_KERNEL);  in snd_ctl_new()
220 	if (!*kctl)  in snd_ctl_new()
224 		(*kctl)->vd[idx].access = access;  in snd_ctl_new()
225 		(*kctl)->vd[idx].owner = file;  in snd_ctl_new()
227 	(*kctl)->count = count;  in snd_ctl_new()
246 	struct snd_kcontrol *kctl;  in snd_ctl_new1()  local
268 	err = snd_ctl_new(&kctl, count, access, NULL);  in snd_ctl_new1()
273 	kctl->id.iface = ncontrol->iface;  in snd_ctl_new1()
274 	kctl->id.device = ncontrol->device;  in snd_ctl_new1()
275 	kctl->id.subdevice = ncontrol->subdevice;  in snd_ctl_new1()
277 		strlcpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name));  in snd_ctl_new1()
278 		if (strcmp(ncontrol->name, kctl->id.name) != 0)  in snd_ctl_new1()
280 				ncontrol->name, kctl->id.name);  in snd_ctl_new1()
282 	kctl->id.index = ncontrol->index;  in snd_ctl_new1()
284 	kctl->info = ncontrol->info;  in snd_ctl_new1()
285 	kctl->get = ncontrol->get;  in snd_ctl_new1()
286 	kctl->put = ncontrol->put;  in snd_ctl_new1()
287 	kctl->tlv.p = ncontrol->tlv.p;  in snd_ctl_new1()
289 	kctl->private_value = ncontrol->private_value;  in snd_ctl_new1()
290 	kctl->private_data = private_data;  in snd_ctl_new1()
292 	return kctl;  in snd_ctl_new1()
317 	struct snd_kcontrol *kctl;  in snd_ctl_remove_numid_conflict()  local
323 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_remove_numid_conflict()
324 		if (kctl->id.numid < card->last_numid + 1 + count &&  in snd_ctl_remove_numid_conflict()
325 		    kctl->id.numid + kctl->count > card->last_numid + 1) {  in snd_ctl_remove_numid_conflict()
326 		    	card->last_numid = kctl->id.numid + kctl->count - 1;  in snd_ctl_remove_numid_conflict()
517 	struct snd_kcontrol *kctl;  in snd_ctl_remove_id()  local
521 	kctl = snd_ctl_find_id(card, id);  in snd_ctl_remove_id()
522 	if (kctl == NULL) {  in snd_ctl_remove_id()
526 	ret = snd_ctl_remove(card, kctl);  in snd_ctl_remove_id()
546 	struct snd_kcontrol *kctl;  in snd_ctl_remove_user_ctl()  local
550 	kctl = snd_ctl_find_id(card, id);  in snd_ctl_remove_user_ctl()
551 	if (kctl == NULL) {  in snd_ctl_remove_user_ctl()
555 	if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) {  in snd_ctl_remove_user_ctl()
559 	for (idx = 0; idx < kctl->count; idx++)  in snd_ctl_remove_user_ctl()
560 		if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {  in snd_ctl_remove_user_ctl()
564 	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()
635 	struct snd_kcontrol *kctl;  in snd_ctl_rename_id()  local
638 	kctl = snd_ctl_find_id(card, src_id);  in snd_ctl_rename_id()
639 	if (kctl == NULL) {  in snd_ctl_rename_id()
643 	kctl->id = *dst_id;  in snd_ctl_rename_id()
644 	kctl->id.numid = card->last_numid + 1;  in snd_ctl_rename_id()
645 	card->last_numid += kctl->count;  in snd_ctl_rename_id()
666 	struct snd_kcontrol *kctl;  in snd_ctl_find_numid()  local
670 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_find_numid()
671 		if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid)  in snd_ctl_find_numid()
672 			return kctl;  in snd_ctl_find_numid()
694 	struct snd_kcontrol *kctl;  in snd_ctl_find_id()  local
700 	list_for_each_entry(kctl, &card->controls, list) {  in snd_ctl_find_id()
701 		if (kctl->id.iface != id->iface)  in snd_ctl_find_id()
703 		if (kctl->id.device != id->device)  in snd_ctl_find_id()
705 		if (kctl->id.subdevice != id->subdevice)  in snd_ctl_find_id()
707 		if (strncmp(kctl->id.name, id->name, sizeof(kctl->id.name)))  in snd_ctl_find_id()
709 		if (kctl->id.index > id->index)  in snd_ctl_find_id()
711 		if (kctl->id.index + kctl->count <= id->index)  in snd_ctl_find_id()
713 		return kctl;  in snd_ctl_find_id()
749 	struct snd_kcontrol *kctl;  in snd_ctl_elem_list()  local
771 			kctl = snd_kcontrol(plist);  in snd_ctl_elem_list()
772 			if (offset < kctl->count)  in snd_ctl_elem_list()
774 			offset -= kctl->count;  in snd_ctl_elem_list()
780 			kctl = snd_kcontrol(plist);  in snd_ctl_elem_list()
781 			for (jidx = offset; space > 0 && jidx < kctl->count; jidx++) {  in snd_ctl_elem_list()
782 				snd_ctl_build_ioff(id, kctl, jidx);  in snd_ctl_elem_list()
812 	struct snd_kcontrol *kctl;  in snd_ctl_elem_info()  local
818 	kctl = snd_ctl_find_id(card, &info->id);  in snd_ctl_elem_info()
819 	if (kctl == NULL) {  in snd_ctl_elem_info()
826 	result = kctl->info(kctl, info);  in snd_ctl_elem_info()
829 		index_offset = snd_ctl_get_ioff(kctl, &info->id);  in snd_ctl_elem_info()
830 		vd = &kctl->vd[index_offset];  in snd_ctl_elem_info()
831 		snd_ctl_build_ioff(&info->id, kctl, index_offset);  in snd_ctl_elem_info()
868 	struct snd_kcontrol *kctl;  in snd_ctl_elem_read()  local
874 	kctl = snd_ctl_find_id(card, &control->id);  in snd_ctl_elem_read()
875 	if (kctl == NULL) {  in snd_ctl_elem_read()
878 		index_offset = snd_ctl_get_ioff(kctl, &control->id);  in snd_ctl_elem_read()
879 		vd = &kctl->vd[index_offset];  in snd_ctl_elem_read()
881 		    kctl->get != NULL) {  in snd_ctl_elem_read()
882 			snd_ctl_build_ioff(&control->id, kctl, index_offset);  in snd_ctl_elem_read()
883 			result = kctl->get(kctl, control);  in snd_ctl_elem_read()
916 	struct snd_kcontrol *kctl;  in snd_ctl_elem_write()  local
922 	kctl = snd_ctl_find_id(card, &control->id);  in snd_ctl_elem_write()
923 	if (kctl == NULL) {  in snd_ctl_elem_write()
926 		index_offset = snd_ctl_get_ioff(kctl, &control->id);  in snd_ctl_elem_write()
927 		vd = &kctl->vd[index_offset];  in snd_ctl_elem_write()
929 		    kctl->put == NULL ||  in snd_ctl_elem_write()
933 			snd_ctl_build_ioff(&control->id, kctl, index_offset);  in snd_ctl_elem_write()
934 			result = kctl->put(kctl, control);  in snd_ctl_elem_write()
976 	struct snd_kcontrol *kctl;  in snd_ctl_elem_lock()  local
983 	kctl = snd_ctl_find_id(card, &id);  in snd_ctl_elem_lock()
984 	if (kctl == NULL) {  in snd_ctl_elem_lock()
987 		vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];  in snd_ctl_elem_lock()
1004 	struct snd_kcontrol *kctl;  in snd_ctl_elem_unlock()  local
1011 	kctl = snd_ctl_find_id(card, &id);  in snd_ctl_elem_unlock()
1012 	if (kctl == NULL) {  in snd_ctl_elem_unlock()
1015 		vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];  in snd_ctl_elem_unlock()
1218 	struct snd_kcontrol *kctl;  in snd_ctl_elem_add()  local
1283 	err = snd_ctl_new(&kctl, count, access, file);  in snd_ctl_elem_add()
1286 	memcpy(&kctl->id, &info->id, sizeof(kctl->id));  in snd_ctl_elem_add()
1287 	kctl->private_data = kzalloc(sizeof(struct user_element) + private_size * count,  in snd_ctl_elem_add()
1289 	if (kctl->private_data == NULL) {  in snd_ctl_elem_add()
1290 		kfree(kctl);  in snd_ctl_elem_add()
1293 	kctl->private_free = snd_ctl_elem_user_free;  in snd_ctl_elem_add()
1296 	ue = (struct user_element *)kctl->private_data;  in snd_ctl_elem_add()
1305 			snd_ctl_free_one(kctl);  in snd_ctl_elem_add()
1312 		kctl->info = snd_ctl_elem_user_enum_info;  in snd_ctl_elem_add()
1314 		kctl->info = snd_ctl_elem_user_info;  in snd_ctl_elem_add()
1316 		kctl->get = snd_ctl_elem_user_get;  in snd_ctl_elem_add()
1318 		kctl->put = snd_ctl_elem_user_put;  in snd_ctl_elem_add()
1320 		kctl->tlv.c = snd_ctl_elem_user_tlv;  in snd_ctl_elem_add()
1323 	err = snd_ctl_add(card, kctl);  in snd_ctl_elem_add()
1326 	offset = snd_ctl_get_ioff(kctl, &info->id);  in snd_ctl_elem_add()
1327 	snd_ctl_build_ioff(&info->id, kctl, offset);  in snd_ctl_elem_add()
1399 	struct snd_kcontrol *kctl;  in snd_ctl_tlv_ioctl()  local
1411 	kctl = snd_ctl_find_numid(card, tlv.numid);  in snd_ctl_tlv_ioctl()
1412 	if (kctl == NULL) {  in snd_ctl_tlv_ioctl()
1416 	if (kctl->tlv.p == NULL) {  in snd_ctl_tlv_ioctl()
1420 	vd = &kctl->vd[tlv.numid - kctl->id.numid];  in snd_ctl_tlv_ioctl()
1435 		err = kctl->tlv.c(kctl, op_flag, tlv.length, _tlv->tlv);  in snd_ctl_tlv_ioctl()
1437 			struct snd_ctl_elem_id id = kctl->id;  in snd_ctl_tlv_ioctl()
1447 		len = kctl->tlv.p[1] + 2 * sizeof(unsigned int);  in snd_ctl_tlv_ioctl()
1452 		if (copy_to_user(_tlv->tlv, kctl->tlv.p, len))  in snd_ctl_tlv_ioctl()
1704 	struct snd_ctl_file *kctl;  in snd_ctl_get_preferred_subdevice()  local
1708 	list_for_each_entry(kctl, &card->ctl_files, list) {  in snd_ctl_get_preferred_subdevice()
1709 		if (kctl->pid == task_pid(current)) {  in snd_ctl_get_preferred_subdevice()
1710 			subdevice = kctl->preferred_subdevice[type];  in snd_ctl_get_preferred_subdevice()