499 	struct uvc_video_chain *chain, struct uvc_control *ctrl)  in uvc_ctrl_filter_plf_mapping()  argument
512 	ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
513 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
522 	ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
523 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
529 	if (chain->dev->uvc_version < 0x150)  in uvc_ctrl_filter_plf_mapping()
534 	ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
535 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
543 	uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
544 		       chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
980 static struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,  in uvc_find_control()  argument
993 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_find_control()
1000 		uvc_dbg(chain->dev, CONTROL, "Control 0x%08x not found\n",  in uvc_find_control()
1006 static int uvc_ctrl_populate_cache(struct uvc_video_chain *chain,  in uvc_ctrl_populate_cache()  argument
1012 		ret = uvc_query_ctrl(chain->dev, UVC_GET_DEF, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1013 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1021 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MIN, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1022 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1029 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MAX, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1030 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1037 		ret = uvc_query_ctrl(chain->dev, UVC_GET_RES, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1038 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1051 			uvc_warn_once(chain->dev, UVC_WARN_XU_GET_RES,  in uvc_ctrl_populate_cache()
1089 static int __uvc_ctrl_load_cur(struct uvc_video_chain *chain,  in __uvc_ctrl_load_cur()  argument
1108 		ret = ctrl->entity->get_cur(chain->dev, ctrl->entity,  in __uvc_ctrl_load_cur()
1112 		ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR,  in __uvc_ctrl_load_cur()
1113 				     ctrl->entity->id, chain->dev->intfnum,  in __uvc_ctrl_load_cur()
1125 static int __uvc_ctrl_get(struct uvc_video_chain *chain,  in __uvc_ctrl_get()  argument
1135 	ret = __uvc_ctrl_load_cur(chain, ctrl);  in __uvc_ctrl_get()
1145 static int __uvc_query_v4l2_class(struct uvc_video_chain *chain, u32 req_id,  in __uvc_query_v4l2_class()  argument
1154 		if (!(chain->ctrl_class_bitmap & BIT(i)))  in __uvc_query_v4l2_class()
1169 static int uvc_query_v4l2_class(struct uvc_video_chain *chain, u32 req_id,  in uvc_query_v4l2_class()  argument
1174 	idx = __uvc_query_v4l2_class(chain, req_id, found_id);  in uvc_query_v4l2_class()
1198 int uvc_ctrl_is_accessible(struct uvc_video_chain *chain, u32 v4l2_id,  in uvc_ctrl_is_accessible()  argument
1211 	if (__uvc_query_v4l2_class(chain, v4l2_id, 0) >= 0)  in uvc_ctrl_is_accessible()
1214 	ctrl = uvc_find_control(chain, v4l2_id, &mapping);  in uvc_ctrl_is_accessible()
1243 	ret = __uvc_ctrl_get(chain, master_ctrl, master_map, &val);  in uvc_ctrl_is_accessible()
1283 static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,  in __uvc_query_v4l2_ctrl()  argument
1309 		int ret = __uvc_ctrl_get(chain, master_ctrl, master_map, &val);  in __uvc_query_v4l2_ctrl()
1318 		int ret = uvc_ctrl_populate_cache(chain, ctrl);  in __uvc_query_v4l2_ctrl()
1387 int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,  in uvc_query_v4l2_ctrl()  argument
1394 	ret = mutex_lock_interruptible(&chain->ctrl_mutex);  in uvc_query_v4l2_ctrl()
1400 		ret = uvc_query_v4l2_class(chain, v4l2_ctrl->id, 0, v4l2_ctrl);  in uvc_query_v4l2_ctrl()
1405 	ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping);  in uvc_query_v4l2_ctrl()
1417 		ret = uvc_query_v4l2_class(chain, v4l2_ctrl->id, mapping->id,  in uvc_query_v4l2_ctrl()
1423 	ret = __uvc_query_v4l2_ctrl(chain, ctrl, mapping, v4l2_ctrl);  in uvc_query_v4l2_ctrl()
1425 	mutex_unlock(&chain->ctrl_mutex);  in uvc_query_v4l2_ctrl()
1438 int uvc_query_v4l2_menu(struct uvc_video_chain *chain,  in uvc_query_v4l2_menu()  argument
1455 	ret = mutex_lock_interruptible(&chain->ctrl_mutex);  in uvc_query_v4l2_menu()
1459 	ctrl = uvc_find_control(chain, query_menu->id, &mapping);  in uvc_query_v4l2_menu()
1474 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_query_v4l2_menu()
1500 	mutex_unlock(&chain->ctrl_mutex);  in uvc_query_v4l2_menu()
1508 static void uvc_ctrl_fill_event(struct uvc_video_chain *chain,  in uvc_ctrl_fill_event()  argument
1516 	__uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl);  in uvc_ctrl_fill_event()
1538 static void uvc_ctrl_send_event(struct uvc_video_chain *chain,  in uvc_ctrl_send_event()  argument
1549 	uvc_ctrl_fill_event(chain, &ev, ctrl, mapping, value, changes);  in uvc_ctrl_send_event()
1564 static void uvc_ctrl_send_slave_event(struct uvc_video_chain *chain,  in uvc_ctrl_send_slave_event()  argument
1576 	if (__uvc_ctrl_get(chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_send_slave_event()
1579 	uvc_ctrl_send_event(chain, handle, ctrl, mapping, val, changes);  in uvc_ctrl_send_slave_event()
1585 	lockdep_assert_held(&handle->chain->ctrl_mutex);  in uvc_ctrl_set_handle()
1616 void uvc_ctrl_status_event(struct uvc_video_chain *chain,  in uvc_ctrl_status_event()  argument
1623 	mutex_lock(&chain->ctrl_mutex);  in uvc_ctrl_status_event()
1643 			uvc_ctrl_send_slave_event(chain, handle, ctrl,  in uvc_ctrl_status_event()
1647 		uvc_ctrl_send_event(chain, handle, ctrl, mapping, value,  in uvc_ctrl_status_event()
1651 	mutex_unlock(&chain->ctrl_mutex);  in uvc_ctrl_status_event()
1661 	uvc_ctrl_status_event(w->chain, w->ctrl, w->data);  in uvc_ctrl_status_event_work()
1675 bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain,  in uvc_ctrl_status_event_async()  argument
1678 	struct uvc_device *dev = chain->dev;  in uvc_ctrl_status_event_async()
1686 	w->chain = chain;  in uvc_ctrl_status_event_async()
1718 		ctrl = uvc_find_control(handle->chain, xctrls[i].id, &mapping);  in uvc_ctrl_send_events()
1737 			uvc_ctrl_send_slave_event(handle->chain, handle, ctrl,  in uvc_ctrl_send_events()
1750 		uvc_ctrl_send_event(handle->chain, handle, ctrl, mapping,  in uvc_ctrl_send_events()
1762 	ret = mutex_lock_interruptible(&handle->chain->ctrl_mutex);  in uvc_ctrl_add_event()
1766 	if (__uvc_query_v4l2_class(handle->chain, sev->id, 0) >= 0) {  in uvc_ctrl_add_event()
1771 	ctrl = uvc_find_control(handle->chain, sev->id, &mapping);  in uvc_ctrl_add_event()
1783 		if (__uvc_ctrl_get(handle->chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_add_event()
1786 		uvc_ctrl_fill_event(handle->chain, &ev, ctrl, mapping, val,  in uvc_ctrl_add_event()
1797 	mutex_unlock(&handle->chain->ctrl_mutex);  in uvc_ctrl_add_event()
1805 	mutex_lock(&handle->chain->ctrl_mutex);  in uvc_ctrl_del_event()
1806 	if (__uvc_query_v4l2_class(handle->chain, sev->id, 0) >= 0)  in uvc_ctrl_del_event()
1810 	mutex_unlock(&handle->chain->ctrl_mutex);  in uvc_ctrl_del_event()
1844 int uvc_ctrl_begin(struct uvc_video_chain *chain)  in uvc_ctrl_begin()  argument
1846 	return mutex_lock_interruptible(&chain->ctrl_mutex) ? -ERESTARTSYS : 0;  in uvc_ctrl_begin()
1934 	struct uvc_video_chain *chain = handle->chain;  in __uvc_ctrl_commit()  local
1940 	list_for_each_entry(entity, &chain->entities, chain) {  in __uvc_ctrl_commit()
1941 		ret = uvc_ctrl_commit_entity(chain->dev, handle, entity,  in __uvc_ctrl_commit()
1955 	mutex_unlock(&chain->ctrl_mutex);  in __uvc_ctrl_commit()
1959 int uvc_ctrl_get(struct uvc_video_chain *chain,  in uvc_ctrl_get()  argument
1965 	if (__uvc_query_v4l2_class(chain, xctrl->id, 0) >= 0)  in uvc_ctrl_get()
1968 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_get()
1972 	return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value);  in uvc_ctrl_get()
1978 	struct uvc_video_chain *chain = handle->chain;  in uvc_ctrl_set()  local
1987 	lockdep_assert_held(&chain->ctrl_mutex);  in uvc_ctrl_set()
1989 	if (__uvc_query_v4l2_class(chain, xctrl->id, 0) >= 0)  in uvc_ctrl_set()
1992 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_set()
2002 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_set()
2027 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_set()
2057 				ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_set()
2079 		ret = __uvc_ctrl_load_cur(chain, ctrl);  in uvc_ctrl_set()
2263 int uvc_xu_ctrl_query(struct uvc_video_chain *chain,  in uvc_xu_ctrl_query()  argument
2277 	list_for_each_entry(iter, &chain->entities, chain) {  in uvc_xu_ctrl_query()
2286 		uvc_dbg(chain->dev, CONTROL, "Extension unit %u not found\n",  in uvc_xu_ctrl_query()
2302 		uvc_dbg(chain->dev, CONTROL, "Control %pUl/%u not found\n",  in uvc_xu_ctrl_query()
2307 	if (mutex_lock_interruptible(&chain->ctrl_mutex))  in uvc_xu_ctrl_query()
2310 	ret = uvc_ctrl_init_xu_ctrl(chain->dev, ctrl);  in uvc_xu_ctrl_query()
2372 	ret = uvc_query_ctrl(chain->dev, xqry->query, xqry->unit,  in uvc_xu_ctrl_query()
2373 			     chain->dev->intfnum, xqry->selector, data, size);  in uvc_xu_ctrl_query()
2382 	mutex_unlock(&chain->ctrl_mutex);  in uvc_xu_ctrl_query()
2461 static int __uvc_ctrl_add_mapping(struct uvc_video_chain *chain,  in __uvc_ctrl_add_mapping()  argument
2515 			chain->ctrl_class_bitmap |= BIT(i);  in __uvc_ctrl_add_mapping()
2521 	uvc_dbg(chain->dev, CONTROL, "Adding mapping '%s' to control %pUl/%u\n",  in __uvc_ctrl_add_mapping()
2535 int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,  in uvc_ctrl_add_mapping()  argument
2538 	struct uvc_device *dev = chain->dev;  in uvc_ctrl_add_mapping()
2552 	/* Search for the matching (GUID/CS) control on the current chain */  in uvc_ctrl_add_mapping()
2553 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_ctrl_add_mapping()
2574 	if (mutex_lock_interruptible(&chain->ctrl_mutex))  in uvc_ctrl_add_mapping()
2611 	ret = __uvc_ctrl_add_mapping(chain, ctrl, mapping);  in uvc_ctrl_add_mapping()
2616 	mutex_unlock(&chain->ctrl_mutex);  in uvc_ctrl_add_mapping()
2687 static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,  in uvc_ctrl_init_ctrl()  argument
2706 			uvc_ctrl_add_info(chain->dev, ctrl, info);  in uvc_ctrl_init_ctrl()
2713 			uvc_ctrl_get_flags(chain->dev, ctrl, &ctrl->info);  in uvc_ctrl_init_ctrl()
2731 			mapping = mapping->filter_mapping(chain, ctrl);  in uvc_ctrl_init_ctrl()
2736 		__uvc_ctrl_add_mapping(chain, ctrl, mapping);  in uvc_ctrl_init_ctrl()
2743 static int uvc_ctrl_init_chain(struct uvc_video_chain *chain)  in uvc_ctrl_init_chain()  argument
2749 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_ctrl_init_chain()
2769 		uvc_ctrl_prune_entity(chain->dev, entity);  in uvc_ctrl_init_chain()
2791 			uvc_ctrl_init_ctrl(chain, ctrl);  in uvc_ctrl_init_chain()
2801 	struct uvc_video_chain *chain;  in uvc_ctrl_init_device()  local
2806 	list_for_each_entry(chain, &dev->chains, list) {  in uvc_ctrl_init_device()
2807 		ret = uvc_ctrl_init_chain(chain);  in uvc_ctrl_init_device()
2819 	guard(mutex)(&handle->chain->ctrl_mutex);  in uvc_ctrl_cleanup_fh()
2824 	list_for_each_entry(entity, &handle->chain->dev->entities, list) {  in uvc_ctrl_cleanup_fh()