usb/uvc/uvc_ctrl.c

1392 	struct v4l2_querymenu *query_menu)
1396 	u32 index = query_menu->index;
1397 	u32 id = query_menu->id;
1401 	memset(query_menu, 0, sizeof(*query_menu));
1402 	query_menu->id = id;
1403 	query_menu->index = index;
1412 	ctrl = uvc_find_control(chain, query_menu->id, &mapping);
1418 	if (!test_bit(query_menu->index, &mapping->menu_mask)) {
1432 		mask = uvc_mapping_get_menu_value(mapping, query_menu->index);
1444 	name = uvc_mapping_get_menu_name(mapping, query_menu->index);
1450 	strscpy(query_menu->name, name, sizeof(query_menu->name));