if(usb_trans_status)
printf("func: %s line %d usb trans with error %d\n", __func__, __LINE__, usb_trans_status);
ret = gs_read(buf, &count);
if(usb_trans_status)
printf("func: %s line %d usb trans with error %d\n", __func__, __LINE__, usb_trans_status);
ret = gs_read(buf, &count);