Added support for 0b05:19b6 (GA503) keyboard

Signed-off-by: black.dragon74 <nickk.2974@gmail.com>

Author: black-dragon74

README.md

@@ -7,7 +7,7 @@ Aura Core software.  Supports RGB keyboards with IDs
 [0b05:1854](https://linux-hardware.org/index.php?id=usb:0b05-1854)
 (GL553, GL753),
 [0b05:1869](https://linux-hardware.org/index.php?id=usb:0b05-1869)
-(GL503, FX503, GL703) and [0b05:1866](https://linux-hardware.org/index.php?id=usb:0b05-1866) (GL504, GL703, GX501, GM501).
+(GL503, FX503, GL703), [0b05:1866](https://linux-hardware.org/index.php?id=usb:0b05-1866) (GL504, GL703, GX501, GM501), and [0b05:19b6](https://linux-hardware.org/index.php?id=usb:0b05-19b6) (GA503).
 
 ## Usage
 

macRogAuraCore/main.c

@@ -476,7 +476,7 @@ static int get_string_property(IOHIDDeviceRef device, CFStringRef prop, wchar_t
 
 // Vendor specific constants
 const uint16_t ASUS_VENDOR_ID = 0x0b05;
-const uint16_t ASUS_PRODUCT_IDS[] = { 0x1854, 0x1869, 0x1866 };
+const uint16_t ASUS_PRODUCT_IDS[] = { 0x1854, 0x1869, 0x1866, 0x19b6 };
 const int NUM_ASUS_PRODUCTS = (int)(sizeof(ASUS_PRODUCT_IDS) / sizeof(ASUS_PRODUCT_IDS[0]));
 
 int handleUsb(Messages *pMessages) {
@@ -554,8 +554,8 @@ int main(int argc, char** argv) {
     pMessages.setAndApply = 1;
 
     if (parseArguments(argc, (char**)argv, &pMessages) == 0) {
-        handleUsb(&pMessages);
+        return handleUsb(&pMessages);
     }
 
-    return 0;
+    return -1;
 }