Lines Matching refs:kctl
202 struct snd_kcontrol *kctl, unsigned int ioff) in snd_ctl_notify_one() argument
204 struct snd_ctl_elem_id id = kctl->id; in snd_ctl_notify_one()
212 lops->lnotify(card, mask, kctl, ioff); in snd_ctl_notify_one()
230 static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count, in snd_ctl_new() argument
238 *kctl = kzalloc(struct_size(*kctl, vd, count), GFP_KERNEL); in snd_ctl_new()
239 if (!*kctl) in snd_ctl_new()
243 (*kctl)->vd[idx].access = access; in snd_ctl_new()
244 (*kctl)->vd[idx].owner = file; in snd_ctl_new()
246 (*kctl)->count = count; in snd_ctl_new()
265 struct snd_kcontrol *kctl; in snd_ctl_new1() local
289 err = snd_ctl_new(&kctl, count, access, NULL); in snd_ctl_new1()
294 kctl->id.iface = ncontrol->iface; in snd_ctl_new1()
295 kctl->id.device = ncontrol->device; in snd_ctl_new1()
296 kctl->id.subdevice = ncontrol->subdevice; in snd_ctl_new1()
298 strscpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name)); in snd_ctl_new1()
299 if (strcmp(ncontrol->name, kctl->id.name) != 0) in snd_ctl_new1()
301 ncontrol->name, kctl->id.name); in snd_ctl_new1()
303 kctl->id.index = ncontrol->index; in snd_ctl_new1()
305 kctl->info = ncontrol->info; in snd_ctl_new1()
306 kctl->get = ncontrol->get; in snd_ctl_new1()
307 kctl->put = ncontrol->put; in snd_ctl_new1()
308 kctl->tlv.p = ncontrol->tlv.p; in snd_ctl_new1()
310 kctl->private_value = ncontrol->private_value; in snd_ctl_new1()
311 kctl->private_data = private_data; in snd_ctl_new1()
313 return kctl; in snd_ctl_new1()
338 struct snd_kcontrol *kctl; in snd_ctl_remove_numid_conflict() local
344 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_remove_numid_conflict()
345 if (kctl->id.numid < card->last_numid + 1 + count && in snd_ctl_remove_numid_conflict()
346 kctl->id.numid + kctl->count > card->last_numid + 1) { in snd_ctl_remove_numid_conflict()
347 card->last_numid = kctl->id.numid + kctl->count - 1; in snd_ctl_remove_numid_conflict()
369 static bool elem_id_matches(const struct snd_kcontrol *kctl, in elem_id_matches() argument
372 return kctl->id.iface == id->iface && in elem_id_matches()
373 kctl->id.device == id->device && in elem_id_matches()
374 kctl->id.subdevice == id->subdevice && in elem_id_matches()
375 !strncmp(kctl->id.name, id->name, sizeof(kctl->id.name)) && in elem_id_matches()
376 kctl->id.index <= id->index && in elem_id_matches()
377 kctl->id.index + kctl->count > id->index; in elem_id_matches()
621 struct snd_kcontrol *kctl; in snd_ctl_remove_id() local
625 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_id()
626 if (kctl == NULL) { in snd_ctl_remove_id()
630 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_id()
650 struct snd_kcontrol *kctl; in snd_ctl_remove_user_ctl() local
654 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_user_ctl()
655 if (kctl == NULL) { in snd_ctl_remove_user_ctl()
659 if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) { in snd_ctl_remove_user_ctl()
663 for (idx = 0; idx < kctl->count; idx++) in snd_ctl_remove_user_ctl()
664 if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) { in snd_ctl_remove_user_ctl()
668 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_user_ctl()
689 struct snd_kcontrol *kctl; in snd_ctl_activate_id() local
695 kctl = snd_ctl_find_id(card, id); in snd_ctl_activate_id()
696 if (kctl == NULL) { in snd_ctl_activate_id()
700 index_offset = snd_ctl_get_ioff(kctl, id); in snd_ctl_activate_id()
701 vd = &kctl->vd[index_offset]; in snd_ctl_activate_id()
712 snd_ctl_build_ioff(id, kctl, index_offset); in snd_ctl_activate_id()
714 snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_INFO, kctl, index_offset); in snd_ctl_activate_id()
738 struct snd_kcontrol *kctl; in snd_ctl_rename_id() local
741 kctl = snd_ctl_find_id(card, src_id); in snd_ctl_rename_id()
742 if (kctl == NULL) { in snd_ctl_rename_id()
746 remove_hash_entries(card, kctl); in snd_ctl_rename_id()
747 kctl->id = *dst_id; in snd_ctl_rename_id()
748 kctl->id.numid = card->last_numid + 1; in snd_ctl_rename_id()
749 card->last_numid += kctl->count; in snd_ctl_rename_id()
750 add_hash_entries(card, kctl); in snd_ctl_rename_id()
766 void snd_ctl_rename(struct snd_card *card, struct snd_kcontrol *kctl, in snd_ctl_rename() argument
769 remove_hash_entries(card, kctl); in snd_ctl_rename()
771 if (strscpy(kctl->id.name, name, sizeof(kctl->id.name)) < 0) in snd_ctl_rename()
773 name, kctl->id.name); in snd_ctl_rename()
775 add_hash_entries(card, kctl); in snd_ctl_rename()
783 struct snd_kcontrol *kctl; in snd_ctl_find_numid_slow() local
785 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_find_numid_slow()
786 if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) in snd_ctl_find_numid_slow()
787 return kctl; in snd_ctl_find_numid_slow()
834 struct snd_kcontrol *kctl; in snd_ctl_find_id() local
841 kctl = xa_load(&card->ctl_hash, get_ctl_id_hash(id)); in snd_ctl_find_id()
842 if (kctl && elem_id_matches(kctl, id)) in snd_ctl_find_id()
843 return kctl; in snd_ctl_find_id()
848 list_for_each_entry(kctl, &card->controls, list) in snd_ctl_find_id()
849 if (elem_id_matches(kctl, id)) in snd_ctl_find_id()
850 return kctl; in snd_ctl_find_id()
884 struct snd_kcontrol *kctl; in snd_ctl_elem_list() local
896 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_elem_list()
897 if (offset >= kctl->count) { in snd_ctl_elem_list()
898 offset -= kctl->count; in snd_ctl_elem_list()
901 for (jidx = offset; jidx < kctl->count; jidx++) { in snd_ctl_elem_list()
902 snd_ctl_build_ioff(&id, kctl, jidx); in snd_ctl_elem_list()
1124 struct snd_kcontrol *kctl, in __snd_ctl_elem_info() argument
1137 result = kctl->info(kctl, info); in __snd_ctl_elem_info()
1141 index_offset = snd_ctl_get_ioff(kctl, &info->id); in __snd_ctl_elem_info()
1142 vd = &kctl->vd[index_offset]; in __snd_ctl_elem_info()
1143 snd_ctl_build_ioff(&info->id, kctl, index_offset); in __snd_ctl_elem_info()
1164 struct snd_kcontrol *kctl; in snd_ctl_elem_info() local
1168 kctl = snd_ctl_find_id(card, &info->id); in snd_ctl_elem_info()
1169 if (kctl == NULL) in snd_ctl_elem_info()
1172 result = __snd_ctl_elem_info(card, kctl, info, ctl); in snd_ctl_elem_info()
1199 struct snd_kcontrol *kctl; in snd_ctl_elem_read() local
1207 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_read()
1208 if (kctl == NULL) { in snd_ctl_elem_read()
1213 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_read()
1214 vd = &kctl->vd[index_offset]; in snd_ctl_elem_read()
1215 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) { in snd_ctl_elem_read()
1220 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_read()
1226 ret = __snd_ctl_elem_info(card, kctl, &info, NULL); in snd_ctl_elem_read()
1235 ret = kctl->get(kctl, control); in snd_ctl_elem_read()
1278 struct snd_kcontrol *kctl; in snd_ctl_elem_write() local
1284 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_write()
1285 if (kctl == NULL) { in snd_ctl_elem_write()
1290 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_write()
1291 vd = &kctl->vd[index_offset]; in snd_ctl_elem_write()
1292 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) || kctl->put == NULL || in snd_ctl_elem_write()
1298 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_write()
1306 result = __snd_ctl_elem_info(card, kctl, &info, NULL); in snd_ctl_elem_write()
1312 result = kctl->put(kctl, control); in snd_ctl_elem_write()
1321 snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_VALUE, kctl, index_offset); in snd_ctl_elem_write()
1358 struct snd_kcontrol *kctl; in snd_ctl_elem_lock() local
1365 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_lock()
1366 if (kctl == NULL) { in snd_ctl_elem_lock()
1369 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_lock()
1386 struct snd_kcontrol *kctl; in snd_ctl_elem_unlock() local
1393 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_unlock()
1394 if (kctl == NULL) { in snd_ctl_elem_unlock()
1397 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_unlock()
1493 static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in replace_user_tlv() argument
1496 struct user_element *ue = kctl->private_data; in replace_user_tlv()
1523 for (i = 0; i < kctl->count; ++i) in replace_user_tlv()
1524 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; in replace_user_tlv()
1538 for (i = 0; i < kctl->count; ++i) in replace_user_tlv()
1539 snd_ctl_notify_one(ue->card, mask, kctl, i); in replace_user_tlv()
1544 static int read_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in read_user_tlv() argument
1547 struct user_element *ue = kctl->private_data; in read_user_tlv()
1561 static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kctl, int op_flag, in snd_ctl_elem_user_tlv() argument
1565 return replace_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1567 return read_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1632 struct snd_kcontrol *kctl; in snd_ctl_elem_add() local
1698 err = snd_ctl_new(&kctl, count, access, file); in snd_ctl_elem_add()
1701 memcpy(&kctl->id, &info->id, sizeof(kctl->id)); in snd_ctl_elem_add()
1704 kfree(kctl); in snd_ctl_elem_add()
1708 kctl->private_data = ue; in snd_ctl_elem_add()
1709 kctl->private_free = snd_ctl_elem_user_free; in snd_ctl_elem_add()
1723 snd_ctl_free_one(kctl); in snd_ctl_elem_add()
1730 kctl->info = snd_ctl_elem_user_enum_info; in snd_ctl_elem_add()
1732 kctl->info = snd_ctl_elem_user_info; in snd_ctl_elem_add()
1734 kctl->get = snd_ctl_elem_user_get; in snd_ctl_elem_add()
1736 kctl->put = snd_ctl_elem_user_put; in snd_ctl_elem_add()
1738 kctl->tlv.c = snd_ctl_elem_user_tlv; in snd_ctl_elem_add()
1741 err = __snd_ctl_add_replace(card, kctl, CTL_ADD_EXCLUSIVE); in snd_ctl_elem_add()
1743 snd_ctl_free_one(kctl); in snd_ctl_elem_add()
1746 offset = snd_ctl_get_ioff(kctl, &info->id); in snd_ctl_elem_add()
1747 snd_ctl_build_ioff(&info->id, kctl, offset); in snd_ctl_elem_add()
1811 struct snd_kcontrol *kctl, in call_tlv_handler() argument
1823 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in call_tlv_handler()
1834 if (kctl->tlv.c == NULL) in call_tlv_handler()
1844 ret = kctl->tlv.c(kctl, op_flag, size, buf); in call_tlv_handler()
1849 static int read_tlv_buf(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id, in read_tlv_buf() argument
1852 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in read_tlv_buf()
1858 if (kctl->tlv.p == NULL) in read_tlv_buf()
1861 len = sizeof(unsigned int) * 2 + kctl->tlv.p[1]; in read_tlv_buf()
1865 if (copy_to_user(buf, kctl->tlv.p, len)) in read_tlv_buf()
1878 struct snd_kcontrol *kctl; in snd_ctl_tlv_ioctl() local
1895 kctl = snd_ctl_find_numid(file->card, header.numid); in snd_ctl_tlv_ioctl()
1896 if (kctl == NULL) in snd_ctl_tlv_ioctl()
1900 id = kctl->id; in snd_ctl_tlv_ioctl()
1901 snd_ctl_build_ioff(&id, kctl, header.numid - id.numid); in snd_ctl_tlv_ioctl()
1902 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_tlv_ioctl()
1905 return call_tlv_handler(file, op_flag, kctl, &id, container, in snd_ctl_tlv_ioctl()
1909 return read_tlv_buf(kctl, &id, container, in snd_ctl_tlv_ioctl()
2175 struct snd_ctl_file *kctl; in snd_ctl_get_preferred_subdevice() local
2180 list_for_each_entry(kctl, &card->ctl_files, list) { in snd_ctl_get_preferred_subdevice()
2181 if (kctl->pid == task_pid(current)) { in snd_ctl_get_preferred_subdevice()
2182 subdevice = kctl->preferred_subdevice[type]; in snd_ctl_get_preferred_subdevice()