hid_device_info with bcdDevice release number.

hidapi/hidapi.h

@@ -55,6 +55,9 @@ extern "C" {
 			unsigned short product_id;
 			/** Serial Number */
 			wchar_t *serial_number;
+			/** Device Release Number in binary-coded decimal,
+			    also known as Device Version Number */
+			unsigned short release_number;
 			/** Manufacturer String */
 			wchar_t *manufacturer_string;
 			/** Product string */

linux/hid-libusb.c

@@ -498,6 +498,9 @@ struct hid_device_info  HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
 							/* VID/PID */
 							cur_dev->vendor_id = dev_vid;
 							cur_dev->product_id = dev_pid;
+
+							/* Release Number */
+							cur_dev->release_number = desc.bcdDevice;
 						}
 					}
 				} /* altsettings */

linux/hid.c

@@ -295,6 +295,10 @@ struct hid_device_info  HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
 			/* VID/PID */
 			cur_dev->vendor_id = dev_vid;
 			cur_dev->product_id = dev_pid;
+
+			/* Release Number */
+			str = udev_device_get_sysattr_value(dev, "bcdDevice");
+			cur_dev->release_number = (str)? strtol(str, NULL, 16): 0x0;
 		}
 		else
 			goto next;

mac/hid.c

@@ -361,6 +361,9 @@ struct hid_device_info  HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
 			/* VID/PID */
 			cur_dev->vendor_id = dev_vid;
 			cur_dev->product_id = dev_pid;
+
+			/* Release Number */
+			cur_dev->release_number = get_int_property(dev, CFSTR(kIOHIDVersionNumberKey));
 		}
 	}
 	

windows/hid.cpp

@@ -356,6 +356,9 @@ struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned shor
 			/* VID/PID */
 			cur_dev->vendor_id = attrib.VendorID;
 			cur_dev->product_id = attrib.ProductID;
+
+			/* Release Number */
+			cur_dev->release_number = attrib.VersionNumber;
 		}
 
 cont_close: