HID_GLOBAL_ITEM_TAG_REPORT_SIZE > 32??????????

linux3.1.0(sdk4)-hid-core.c 

 362     case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 363         parser->global.report_size = item_udata(item);
 364         printk("azy parser->global.report_size == %d\n", parser->global.report_size);
 365         if (parser->global.report_size > 32) {
 366             dbg_hid("invalid report_size %d\n",
 367                     parser->global.report_size);
 368             return -1;
 369         }
 370         return 0;

linux3.14(sdk8)

 388     case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 389         parser->global.report_size = item_udata(item);
 390         if (parser->global.report_size > 128) {
 391             hid_err(parser->device, "invalid report_size %d\n",
 392                     parser->global.report_size);
 393             return -1;
 394         }
 395         return 0;

32  to  128 ???????????

why??????????????

Ace an：

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