Lines Matching refs:kctl
211 static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count, in snd_ctl_new() argument
223 *kctl = kzalloc(size, GFP_KERNEL); in snd_ctl_new()
224 if (!*kctl) in snd_ctl_new()
228 (*kctl)->vd[idx].access = access; in snd_ctl_new()
229 (*kctl)->vd[idx].owner = file; in snd_ctl_new()
231 (*kctl)->count = count; in snd_ctl_new()
250 struct snd_kcontrol *kctl; in snd_ctl_new1() local
272 err = snd_ctl_new(&kctl, count, access, NULL); in snd_ctl_new1()
277 kctl->id.iface = ncontrol->iface; in snd_ctl_new1()
278 kctl->id.device = ncontrol->device; in snd_ctl_new1()
279 kctl->id.subdevice = ncontrol->subdevice; in snd_ctl_new1()
281 strlcpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name)); in snd_ctl_new1()
282 if (strcmp(ncontrol->name, kctl->id.name) != 0) in snd_ctl_new1()
284 ncontrol->name, kctl->id.name); in snd_ctl_new1()
286 kctl->id.index = ncontrol->index; in snd_ctl_new1()
288 kctl->info = ncontrol->info; in snd_ctl_new1()
289 kctl->get = ncontrol->get; in snd_ctl_new1()
290 kctl->put = ncontrol->put; in snd_ctl_new1()
291 kctl->tlv.p = ncontrol->tlv.p; in snd_ctl_new1()
293 kctl->private_value = ncontrol->private_value; in snd_ctl_new1()
294 kctl->private_data = private_data; in snd_ctl_new1()
296 return kctl; in snd_ctl_new1()
321 struct snd_kcontrol *kctl; in snd_ctl_remove_numid_conflict() local
327 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_remove_numid_conflict()
328 if (kctl->id.numid < card->last_numid + 1 + count && in snd_ctl_remove_numid_conflict()
329 kctl->id.numid + kctl->count > card->last_numid + 1) { in snd_ctl_remove_numid_conflict()
330 card->last_numid = kctl->id.numid + kctl->count - 1; in snd_ctl_remove_numid_conflict()
521 struct snd_kcontrol *kctl; in snd_ctl_remove_id() local
525 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_id()
526 if (kctl == NULL) { in snd_ctl_remove_id()
530 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_id()
550 struct snd_kcontrol *kctl; in snd_ctl_remove_user_ctl() local
554 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_user_ctl()
555 if (kctl == NULL) { in snd_ctl_remove_user_ctl()
559 if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) { in snd_ctl_remove_user_ctl()
563 for (idx = 0; idx < kctl->count; idx++) in snd_ctl_remove_user_ctl()
564 if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) { in snd_ctl_remove_user_ctl()
568 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_user_ctl()
592 struct snd_kcontrol *kctl; in snd_ctl_activate_id() local
598 kctl = snd_ctl_find_id(card, id); in snd_ctl_activate_id()
599 if (kctl == NULL) { in snd_ctl_activate_id()
603 index_offset = snd_ctl_get_ioff(kctl, id); in snd_ctl_activate_id()
604 vd = &kctl->vd[index_offset]; in snd_ctl_activate_id()
615 snd_ctl_build_ioff(id, kctl, index_offset); in snd_ctl_activate_id()
639 struct snd_kcontrol *kctl; in snd_ctl_rename_id() local
642 kctl = snd_ctl_find_id(card, src_id); in snd_ctl_rename_id()
643 if (kctl == NULL) { in snd_ctl_rename_id()
647 kctl->id = *dst_id; in snd_ctl_rename_id()
648 kctl->id.numid = card->last_numid + 1; in snd_ctl_rename_id()
649 card->last_numid += kctl->count; in snd_ctl_rename_id()
670 struct snd_kcontrol *kctl; in snd_ctl_find_numid() local
674 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_find_numid()
675 if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) in snd_ctl_find_numid()
676 return kctl; in snd_ctl_find_numid()
698 struct snd_kcontrol *kctl; in snd_ctl_find_id() local
704 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_find_id()
705 if (kctl->id.iface != id->iface) in snd_ctl_find_id()
707 if (kctl->id.device != id->device) in snd_ctl_find_id()
709 if (kctl->id.subdevice != id->subdevice) in snd_ctl_find_id()
711 if (strncmp(kctl->id.name, id->name, sizeof(kctl->id.name))) in snd_ctl_find_id()
713 if (kctl->id.index > id->index) in snd_ctl_find_id()
715 if (kctl->id.index + kctl->count <= id->index) in snd_ctl_find_id()
717 return kctl; in snd_ctl_find_id()
752 struct snd_kcontrol *kctl; in snd_ctl_elem_list() local
766 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_elem_list()
767 if (offset >= kctl->count) { in snd_ctl_elem_list()
768 offset -= kctl->count; in snd_ctl_elem_list()
771 for (jidx = offset; jidx < kctl->count; jidx++) { in snd_ctl_elem_list()
772 snd_ctl_build_ioff(&id, kctl, jidx); in snd_ctl_elem_list()
826 struct snd_kcontrol *kctl; in snd_ctl_elem_info() local
832 kctl = snd_ctl_find_id(card, &info->id); in snd_ctl_elem_info()
833 if (kctl == NULL) { in snd_ctl_elem_info()
840 result = kctl->info(kctl, info); in snd_ctl_elem_info()
843 index_offset = snd_ctl_get_ioff(kctl, &info->id); in snd_ctl_elem_info()
844 vd = &kctl->vd[index_offset]; in snd_ctl_elem_info()
845 snd_ctl_build_ioff(&info->id, kctl, index_offset); in snd_ctl_elem_info()
882 struct snd_kcontrol *kctl; in snd_ctl_elem_read() local
886 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_read()
887 if (kctl == NULL) in snd_ctl_elem_read()
890 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_read()
891 vd = &kctl->vd[index_offset]; in snd_ctl_elem_read()
892 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) in snd_ctl_elem_read()
895 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_read()
896 return kctl->get(kctl, control); in snd_ctl_elem_read()
929 struct snd_kcontrol *kctl; in snd_ctl_elem_write() local
934 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_write()
935 if (kctl == NULL) in snd_ctl_elem_write()
938 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_write()
939 vd = &kctl->vd[index_offset]; in snd_ctl_elem_write()
940 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) || kctl->put == NULL || in snd_ctl_elem_write()
945 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_write()
946 result = kctl->put(kctl, control); in snd_ctl_elem_write()
992 struct snd_kcontrol *kctl; in snd_ctl_elem_lock() local
999 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_lock()
1000 if (kctl == NULL) { in snd_ctl_elem_lock()
1003 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_lock()
1020 struct snd_kcontrol *kctl; in snd_ctl_elem_unlock() local
1027 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_unlock()
1028 if (kctl == NULL) { in snd_ctl_elem_unlock()
1031 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_unlock()
1120 static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in replace_user_tlv() argument
1123 struct user_element *ue = kctl->private_data; in replace_user_tlv()
1147 for (i = 0; i < kctl->count; ++i) in replace_user_tlv()
1148 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; in replace_user_tlv()
1157 for (i = 0; i < kctl->count; ++i) { in replace_user_tlv()
1158 snd_ctl_build_ioff(&id, kctl, i); in replace_user_tlv()
1165 static int read_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in read_user_tlv() argument
1168 struct user_element *ue = kctl->private_data; in read_user_tlv()
1182 static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kctl, int op_flag, in snd_ctl_elem_user_tlv() argument
1186 return replace_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1188 return read_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1255 struct snd_kcontrol *kctl; in snd_ctl_elem_add() local
1324 err = snd_ctl_new(&kctl, count, access, file); in snd_ctl_elem_add()
1327 memcpy(&kctl->id, &info->id, sizeof(kctl->id)); in snd_ctl_elem_add()
1328 kctl->private_data = kzalloc(sizeof(struct user_element) + private_size * count, in snd_ctl_elem_add()
1330 if (kctl->private_data == NULL) { in snd_ctl_elem_add()
1331 kfree(kctl); in snd_ctl_elem_add()
1334 kctl->private_free = snd_ctl_elem_user_free; in snd_ctl_elem_add()
1337 ue = (struct user_element *)kctl->private_data; in snd_ctl_elem_add()
1346 snd_ctl_free_one(kctl); in snd_ctl_elem_add()
1353 kctl->info = snd_ctl_elem_user_enum_info; in snd_ctl_elem_add()
1355 kctl->info = snd_ctl_elem_user_info; in snd_ctl_elem_add()
1357 kctl->get = snd_ctl_elem_user_get; in snd_ctl_elem_add()
1359 kctl->put = snd_ctl_elem_user_put; in snd_ctl_elem_add()
1361 kctl->tlv.c = snd_ctl_elem_user_tlv; in snd_ctl_elem_add()
1364 err = snd_ctl_add(card, kctl); in snd_ctl_elem_add()
1367 offset = snd_ctl_get_ioff(kctl, &info->id); in snd_ctl_elem_add()
1368 snd_ctl_build_ioff(&info->id, kctl, offset); in snd_ctl_elem_add()
1435 struct snd_kcontrol *kctl, in call_tlv_handler() argument
1447 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in call_tlv_handler()
1458 if (kctl->tlv.c == NULL) in call_tlv_handler()
1465 return kctl->tlv.c(kctl, op_flag, size, buf); in call_tlv_handler()
1468 static int read_tlv_buf(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id, in read_tlv_buf() argument
1471 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in read_tlv_buf()
1477 if (kctl->tlv.p == NULL) in read_tlv_buf()
1480 len = sizeof(unsigned int) * 2 + kctl->tlv.p[1]; in read_tlv_buf()
1484 if (copy_to_user(buf, kctl->tlv.p, len)) in read_tlv_buf()
1497 struct snd_kcontrol *kctl; in snd_ctl_tlv_ioctl() local
1514 kctl = snd_ctl_find_numid(file->card, header.numid); in snd_ctl_tlv_ioctl()
1515 if (kctl == NULL) in snd_ctl_tlv_ioctl()
1519 id = kctl->id; in snd_ctl_tlv_ioctl()
1520 snd_ctl_build_ioff(&id, kctl, header.numid - id.numid); in snd_ctl_tlv_ioctl()
1521 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_tlv_ioctl()
1524 return call_tlv_handler(file, op_flag, kctl, &id, container, in snd_ctl_tlv_ioctl()
1528 return read_tlv_buf(kctl, &id, container, in snd_ctl_tlv_ioctl()
1790 struct snd_ctl_file *kctl; in snd_ctl_get_preferred_subdevice() local
1794 list_for_each_entry(kctl, &card->ctl_files, list) { in snd_ctl_get_preferred_subdevice()
1795 if (kctl->pid == task_pid(current)) { in snd_ctl_get_preferred_subdevice()
1796 subdevice = kctl->preferred_subdevice[type]; in snd_ctl_get_preferred_subdevice()