732 struct uvc_control *uvc_find_control(struct uvc_video_device *video,  in uvc_find_control()  argument
745 	__uvc_find_control(video->processing, v4l2_id, mapping, &ctrl, next);  in uvc_find_control()
749 	list_for_each_entry(entity, &video->iterms, chain) {  in uvc_find_control()
755 	list_for_each_entry(entity, &video->extensions, chain) {  in uvc_find_control()
768 int uvc_query_v4l2_ctrl(struct uvc_video_device *video,  in uvc_query_v4l2_ctrl()  argument
778 	ctrl = uvc_find_control(video, v4l2_ctrl->id, &mapping);  in uvc_query_v4l2_ctrl()
796 		if ((ret = uvc_query_ctrl(video->dev, GET_DEF, ctrl->entity->id,  in uvc_query_v4l2_ctrl()
797 				video->dev->intfnum, ctrl->info->selector,  in uvc_query_v4l2_ctrl()
832 		if ((ret = uvc_query_ctrl(video->dev, GET_MIN, ctrl->entity->id,  in uvc_query_v4l2_ctrl()
833 				video->dev->intfnum, ctrl->info->selector,  in uvc_query_v4l2_ctrl()
839 		if ((ret = uvc_query_ctrl(video->dev, GET_MAX, ctrl->entity->id,  in uvc_query_v4l2_ctrl()
840 				video->dev->intfnum, ctrl->info->selector,  in uvc_query_v4l2_ctrl()
846 		if ((ret = uvc_query_ctrl(video->dev, GET_RES, ctrl->entity->id,  in uvc_query_v4l2_ctrl()
847 				video->dev->intfnum, ctrl->info->selector,  in uvc_query_v4l2_ctrl()
884 int uvc_ctrl_begin(struct uvc_video_device *video)  in uvc_ctrl_begin()  argument
886 	return mutex_lock_interruptible(&video->ctrl_mutex) ? -ERESTARTSYS : 0;  in uvc_ctrl_begin()
936 int __uvc_ctrl_commit(struct uvc_video_device *video, int rollback)  in __uvc_ctrl_commit()  argument
942 	ret = uvc_ctrl_commit_entity(video->dev, video->processing, rollback);  in __uvc_ctrl_commit()
946 	list_for_each_entry(entity, &video->iterms, chain) {  in __uvc_ctrl_commit()
947 		ret = uvc_ctrl_commit_entity(video->dev, entity, rollback);  in __uvc_ctrl_commit()
952 	list_for_each_entry(entity, &video->extensions, chain) {  in __uvc_ctrl_commit()
953 		ret = uvc_ctrl_commit_entity(video->dev, entity, rollback);  in __uvc_ctrl_commit()
959 	mutex_unlock(&video->ctrl_mutex);  in __uvc_ctrl_commit()
963 int uvc_ctrl_get(struct uvc_video_device *video,  in uvc_ctrl_get()  argument
972 	ctrl = uvc_find_control(video, xctrl->id, &mapping);  in uvc_ctrl_get()
977 		ret = uvc_query_ctrl(video->dev, GET_CUR, ctrl->entity->id,  in uvc_ctrl_get()
978 				video->dev->intfnum, ctrl->info->selector,  in uvc_ctrl_get()
1003 int uvc_ctrl_set(struct uvc_video_device *video,  in uvc_ctrl_set()  argument
1011 	ctrl = uvc_find_control(video, xctrl->id, &mapping);  in uvc_ctrl_set()
1026 			ret = uvc_query_ctrl(video->dev, GET_CUR,  in uvc_ctrl_set()
1027 				ctrl->entity->id, video->dev->intfnum,  in uvc_ctrl_set()
1056 int uvc_xu_ctrl_query(struct uvc_video_device *video,  in uvc_xu_ctrl_query()  argument
1066 	list_for_each_entry(entity, &video->extensions, chain) {  in uvc_xu_ctrl_query()
1105 	if (mutex_lock_interruptible(&video->ctrl_mutex))  in uvc_xu_ctrl_query()
1118 	ret = uvc_query_ctrl(video->dev, set ? SET_CUR : GET_CUR, xctrl->unit,  in uvc_xu_ctrl_query()
1119 			     video->dev->intfnum, xctrl->selector, data,  in uvc_xu_ctrl_query()
1135 	mutex_unlock(&video->ctrl_mutex);  in uvc_xu_ctrl_query()