595 	struct uvc_video_chain *chain, struct uvc_control *ctrl)  in uvc_ctrl_filter_plf_mapping()  argument
608 	ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
609 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
618 	ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
619 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
625 	if (chain->dev->uvc_version < 0x150)  in uvc_ctrl_filter_plf_mapping()
630 	ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
631 			     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
639 	uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,  in uvc_ctrl_filter_plf_mapping()
640 		       chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_filter_plf_mapping()
1207 static struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,  in uvc_find_control()  argument
1221 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_find_control()
1229 		uvc_dbg(chain->dev, CONTROL, "Control 0x%08x not found\n",  in uvc_find_control()
1235 static int uvc_ctrl_populate_cache(struct uvc_video_chain *chain,  in uvc_ctrl_populate_cache()  argument
1241 		ret = uvc_query_ctrl(chain->dev, UVC_GET_DEF, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1242 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1250 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MIN, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1251 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1258 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MAX, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1259 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1266 		ret = uvc_query_ctrl(chain->dev, UVC_GET_RES, ctrl->entity->id,  in uvc_ctrl_populate_cache()
1267 				     chain->dev->intfnum, ctrl->info.selector,  in uvc_ctrl_populate_cache()
1280 			uvc_warn_once(chain->dev, UVC_WARN_XU_GET_RES,  in uvc_ctrl_populate_cache()
1292 static int __uvc_ctrl_load_cur(struct uvc_video_chain *chain,  in __uvc_ctrl_load_cur()  argument
1311 		ret = ctrl->entity->get_cur(chain->dev, ctrl->entity,  in __uvc_ctrl_load_cur()
1315 		ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR,  in __uvc_ctrl_load_cur()
1316 				     ctrl->entity->id, chain->dev->intfnum,  in __uvc_ctrl_load_cur()
1328 static int __uvc_ctrl_get(struct uvc_video_chain *chain,  in __uvc_ctrl_get()  argument
1338 	ret = __uvc_ctrl_load_cur(chain, ctrl);  in __uvc_ctrl_get()
1348 static int __uvc_query_v4l2_class(struct uvc_video_chain *chain, u32 req_id,  in __uvc_query_v4l2_class()  argument
1358 		if (!(chain->ctrl_class_bitmap & BIT(i)))  in __uvc_query_v4l2_class()
1373 static int uvc_query_v4l2_class(struct uvc_video_chain *chain, u32 req_id,  in uvc_query_v4l2_class()  argument
1379 	idx = __uvc_query_v4l2_class(chain, req_id, found_id);  in uvc_query_v4l2_class()
1434 int uvc_ctrl_is_accessible(struct uvc_video_chain *chain, u32 v4l2_id,  in uvc_ctrl_is_accessible()  argument
1452 	if (__uvc_query_v4l2_class(chain, v4l2_id, 0) >= 0)  in uvc_ctrl_is_accessible()
1455 	ctrl = uvc_find_control(chain, v4l2_id, &mapping);  in uvc_ctrl_is_accessible()
1490 	ret = __uvc_ctrl_get(chain, master_ctrl, master_map, &val);  in uvc_ctrl_is_accessible()
1547 static int __uvc_queryctrl_boundaries(struct uvc_video_chain *chain,  in __uvc_queryctrl_boundaries()  argument
1557 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in __uvc_queryctrl_boundaries()
1646 static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,  in __uvc_query_v4l2_ctrl()  argument
1682 			ret = __uvc_ctrl_get(chain, master_ctrl, master_map,  in __uvc_query_v4l2_ctrl()
1691 			dev_warn_ratelimited(&chain->dev->intf->dev,  in __uvc_query_v4l2_ctrl()
1713 	ret = __uvc_queryctrl_boundaries(chain, ctrl, mapping, v4l2_ctrl);  in __uvc_query_v4l2_ctrl()
1715 		dev_warn(&chain->dev->intf->dev,  in __uvc_query_v4l2_ctrl()
1727 int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,  in uvc_query_v4l2_ctrl()  argument
1734 	ret = mutex_lock_interruptible(&chain->ctrl_mutex);  in uvc_query_v4l2_ctrl()
1740 		ret = uvc_query_v4l2_class(chain, v4l2_ctrl->id, 0, v4l2_ctrl);  in uvc_query_v4l2_ctrl()
1745 	ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping);  in uvc_query_v4l2_ctrl()
1757 		ret = uvc_query_v4l2_class(chain, v4l2_ctrl->id, mapping->id,  in uvc_query_v4l2_ctrl()
1763 	ret = __uvc_query_v4l2_ctrl(chain, ctrl, mapping, v4l2_ctrl);  in uvc_query_v4l2_ctrl()
1765 	mutex_unlock(&chain->ctrl_mutex);  in uvc_query_v4l2_ctrl()
1778 int uvc_query_v4l2_menu(struct uvc_video_chain *chain,  in uvc_query_v4l2_menu()  argument
1795 	ret = mutex_lock_interruptible(&chain->ctrl_mutex);  in uvc_query_v4l2_menu()
1799 	ctrl = uvc_find_control(chain, query_menu->id, &mapping);  in uvc_query_v4l2_menu()
1814 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_query_v4l2_menu()
1840 	mutex_unlock(&chain->ctrl_mutex);  in uvc_query_v4l2_menu()
1848 static void uvc_ctrl_fill_event(struct uvc_video_chain *chain,  in uvc_ctrl_fill_event()  argument
1856 	__uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl);  in uvc_ctrl_fill_event()
1878 static void uvc_ctrl_send_event(struct uvc_video_chain *chain,  in uvc_ctrl_send_event()  argument
1889 	uvc_ctrl_fill_event(chain, &ev, ctrl, mapping, value, changes);  in uvc_ctrl_send_event()
1904 static void uvc_ctrl_send_slave_event(struct uvc_video_chain *chain,  in uvc_ctrl_send_slave_event()  argument
1917 	    __uvc_ctrl_get(chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_send_slave_event()
1920 	uvc_ctrl_send_event(chain, handle, ctrl, mapping, val, changes);  in uvc_ctrl_send_slave_event()
1927 	lockdep_assert_held(&handle->chain->ctrl_mutex);  in uvc_ctrl_set_handle()
1944 	ret = uvc_pm_get(handle->chain->dev);  in uvc_ctrl_set_handle()
1955 	lockdep_assert_held(&ctrl->handle->chain->ctrl_mutex);  in uvc_ctrl_clear_handle()
1963 	uvc_pm_put(ctrl->handle->chain->dev);  in uvc_ctrl_clear_handle()
1968 void uvc_ctrl_status_event(struct uvc_video_chain *chain,  in uvc_ctrl_status_event()  argument
1975 	mutex_lock(&chain->ctrl_mutex);  in uvc_ctrl_status_event()
2000 			uvc_ctrl_send_slave_event(chain, handle, ctrl,  in uvc_ctrl_status_event()
2004 		uvc_ctrl_send_event(chain, handle, ctrl, mapping, value,  in uvc_ctrl_status_event()
2008 	mutex_unlock(&chain->ctrl_mutex);  in uvc_ctrl_status_event()
2018 	uvc_ctrl_status_event(w->chain, w->ctrl, w->data);  in uvc_ctrl_status_event_work()
2032 bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain,  in uvc_ctrl_status_event_async()  argument
2035 	struct uvc_device *dev = chain->dev;  in uvc_ctrl_status_event_async()
2043 	w->chain = chain;  in uvc_ctrl_status_event_async()
2078 		ctrl = uvc_find_control(handle->chain, xctrls[i].id, &mapping);  in uvc_ctrl_send_events()
2100 			uvc_ctrl_send_slave_event(handle->chain, handle, ctrl,  in uvc_ctrl_send_events()
2117 		uvc_ctrl_send_event(handle->chain, handle, ctrl, mapping,  in uvc_ctrl_send_events()
2129 	ret = mutex_lock_interruptible(&handle->chain->ctrl_mutex);  in uvc_ctrl_add_event()
2133 	if (__uvc_query_v4l2_class(handle->chain, sev->id, 0) >= 0) {  in uvc_ctrl_add_event()
2138 	ctrl = uvc_find_control(handle->chain, sev->id, &mapping);  in uvc_ctrl_add_event()
2149 		ret = uvc_pm_get(handle->chain->dev);  in uvc_ctrl_add_event()
2154 		    __uvc_ctrl_get(handle->chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_add_event()
2157 		uvc_ctrl_fill_event(handle->chain, &ev, ctrl, mapping, val,  in uvc_ctrl_add_event()
2160 		uvc_pm_put(handle->chain->dev);  in uvc_ctrl_add_event()
2173 	mutex_unlock(&handle->chain->ctrl_mutex);  in uvc_ctrl_add_event()
2181 	mutex_lock(&handle->chain->ctrl_mutex);  in uvc_ctrl_del_event()
2182 	if (__uvc_query_v4l2_class(handle->chain, sev->id, 0) >= 0)  in uvc_ctrl_del_event()
2186 	mutex_unlock(&handle->chain->ctrl_mutex);  in uvc_ctrl_del_event()
2220 int uvc_ctrl_begin(struct uvc_video_chain *chain)  in uvc_ctrl_begin()  argument
2222 	return mutex_lock_interruptible(&chain->ctrl_mutex) ? -ERESTARTSYS : 0;  in uvc_ctrl_begin()
2323 	struct uvc_video_chain *chain = handle->chain;  in __uvc_ctrl_commit()  local
2330 	list_for_each_entry(entity, &chain->entities, chain) {  in __uvc_ctrl_commit()
2331 		ret = uvc_ctrl_commit_entity(chain->dev, handle, entity,  in __uvc_ctrl_commit()
2353 	mutex_unlock(&chain->ctrl_mutex);  in __uvc_ctrl_commit()
2357 static int uvc_mapping_get_xctrl_compound(struct uvc_video_chain *chain,  in uvc_mapping_get_xctrl_compound()  argument
2401 		ret = __uvc_ctrl_load_cur(chain, ctrl);  in uvc_mapping_get_xctrl_compound()
2403 		ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_mapping_get_xctrl_compound()
2420 static int uvc_mapping_get_xctrl_std(struct uvc_video_chain *chain,  in uvc_mapping_get_xctrl_std()  argument
2430 		return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value);  in uvc_mapping_get_xctrl_std()
2439 	ret = __uvc_queryctrl_boundaries(chain, ctrl, mapping, &qec);  in uvc_mapping_get_xctrl_std()
2458 static int uvc_mapping_get_xctrl(struct uvc_video_chain *chain,  in uvc_mapping_get_xctrl()  argument
2464 		return uvc_mapping_get_xctrl_compound(chain, ctrl, mapping,  in uvc_mapping_get_xctrl()
2466 	return uvc_mapping_get_xctrl_std(chain, ctrl, mapping, which, xctrl);  in uvc_mapping_get_xctrl()
2469 int uvc_ctrl_get(struct uvc_video_chain *chain, u32 which,  in uvc_ctrl_get()  argument
2475 	if (__uvc_query_v4l2_class(chain, xctrl->id, 0) >= 0)  in uvc_ctrl_get()
2478 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_get()
2482 	return uvc_mapping_get_xctrl(chain, ctrl, mapping, which, xctrl);  in uvc_ctrl_get()
2485 static int uvc_ctrl_clamp(struct uvc_video_chain *chain,  in uvc_ctrl_clamp()  argument
2500 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_clamp()
2538 			ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_clamp()
2566 				ret = uvc_ctrl_populate_cache(chain, ctrl);  in uvc_ctrl_clamp()
2620 	struct uvc_video_chain *chain = handle->chain;  in uvc_ctrl_set()  local
2625 	lockdep_assert_held(&chain->ctrl_mutex);  in uvc_ctrl_set()
2627 	if (__uvc_query_v4l2_class(chain, xctrl->id, 0) >= 0)  in uvc_ctrl_set()
2630 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_set()
2636 	ret = uvc_ctrl_clamp(chain, ctrl, xctrl->id, mapping, &xctrl->value);  in uvc_ctrl_set()
2645 		ret = __uvc_ctrl_load_cur(chain, ctrl);  in uvc_ctrl_set()
2830 int uvc_xu_ctrl_query(struct uvc_video_chain *chain,  in uvc_xu_ctrl_query()  argument
2844 	list_for_each_entry(iter, &chain->entities, chain) {  in uvc_xu_ctrl_query()
2853 		uvc_dbg(chain->dev, CONTROL, "Extension unit %u not found\n",  in uvc_xu_ctrl_query()
2869 		uvc_dbg(chain->dev, CONTROL, "Control %pUl/%u not found\n",  in uvc_xu_ctrl_query()
2874 	if (mutex_lock_interruptible(&chain->ctrl_mutex))  in uvc_xu_ctrl_query()
2877 	ret = uvc_ctrl_init_xu_ctrl(chain->dev, ctrl);  in uvc_xu_ctrl_query()
2939 	ret = uvc_query_ctrl(chain->dev, xqry->query, xqry->unit,  in uvc_xu_ctrl_query()
2940 			     chain->dev->intfnum, xqry->selector, data, size);  in uvc_xu_ctrl_query()
2949 	mutex_unlock(&chain->ctrl_mutex);  in uvc_xu_ctrl_query()
3027 static int __uvc_ctrl_add_mapping(struct uvc_video_chain *chain,  in __uvc_ctrl_add_mapping()  argument
3088 			chain->ctrl_class_bitmap |= BIT(i);  in __uvc_ctrl_add_mapping()
3094 	uvc_dbg(chain->dev, CONTROL, "Adding mapping '%s' to control %pUl/%u\n",  in __uvc_ctrl_add_mapping()
3110 int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,  in uvc_ctrl_add_mapping()  argument
3113 	struct uvc_device *dev = chain->dev;  in uvc_ctrl_add_mapping()
3127 	/* Search for the matching (GUID/CS) control on the current chain */  in uvc_ctrl_add_mapping()
3128 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_ctrl_add_mapping()
3149 	if (mutex_lock_interruptible(&chain->ctrl_mutex))  in uvc_ctrl_add_mapping()
3186 	ret = __uvc_ctrl_add_mapping(chain, ctrl, mapping);  in uvc_ctrl_add_mapping()
3191 	mutex_unlock(&chain->ctrl_mutex);  in uvc_ctrl_add_mapping()
3262 static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,  in uvc_ctrl_init_ctrl()  argument
3272 			uvc_ctrl_add_info(chain->dev, ctrl, info);  in uvc_ctrl_init_ctrl()
3279 			uvc_ctrl_get_flags(chain->dev, ctrl, &ctrl->info);  in uvc_ctrl_init_ctrl()
3297 			mapping = mapping->filter_mapping(chain, ctrl);  in uvc_ctrl_init_ctrl()
3302 		__uvc_ctrl_add_mapping(chain, ctrl, mapping);  in uvc_ctrl_init_ctrl()
3309 static int uvc_ctrl_init_chain(struct uvc_video_chain *chain)  in uvc_ctrl_init_chain()  argument
3315 	list_for_each_entry(entity, &chain->entities, chain) {  in uvc_ctrl_init_chain()
3335 		uvc_ctrl_prune_entity(chain->dev, entity);  in uvc_ctrl_init_chain()
3356 			uvc_ctrl_init_ctrl(chain, ctrl);  in uvc_ctrl_init_chain()
3366 	struct uvc_video_chain *chain;  in uvc_ctrl_init_device()  local
3371 	list_for_each_entry(chain, &dev->chains, list) {  in uvc_ctrl_init_device()
3372 		ret = uvc_ctrl_init_chain(chain);  in uvc_ctrl_init_device()
3384 	guard(mutex)(&handle->chain->ctrl_mutex);  in uvc_ctrl_cleanup_fh()
3389 	list_for_each_entry(entity, &handle->chain->dev->entities, list) {  in uvc_ctrl_cleanup_fh()