From f963991161fa9461f19c73abc9952f90e3638553 Mon Sep 17 00:00:00 2001
From: nirenjan <nirenjan@gmail.com>
Date: Sat, 4 Jul 2020 23:29:25 -0700
Subject: [PATCH] Save PID in libx52_device structure

This will support a parser interface which will parse the HID report
from the X52, but given that the device has different PIDs, the parser
will need to behave differently depending on the PID.
---
 lib/libx52/x52_common.h | 6 ++++++
 lib/libx52/x52_core.c   | 6 +-----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/libx52/x52_common.h b/lib/libx52/x52_common.h
index c3e8533..978be49 100644
--- a/lib/libx52/x52_common.h
+++ b/lib/libx52/x52_common.h
@@ -14,6 +14,11 @@
 #include <libusb.h>
 #include "libx52.h"
 
+#define VENDOR_SAITEK 0x06a3
+#define X52_PROD_X52PRO 0x0762
+#define X52_PROD_X52_1  0x0255
+#define X52_PROD_X52_2  0x075C
+
 /*
  * The X52 MFD supports the following:
  *  - 3 lines of 16 characters each
@@ -33,6 +38,7 @@ struct x52_mfd_line {
 struct libx52_device {
     libusb_context *ctx;
     libusb_device_handle *hdl;
+    uint16_t pid;
 
     uint32_t update_mask;
     uint32_t flags;
diff --git a/lib/libx52/x52_core.c b/lib/libx52/x52_core.c
index 8a0470d..576d6ca 100644
--- a/lib/libx52/x52_core.c
+++ b/lib/libx52/x52_core.c
@@ -18,11 +18,6 @@
 #include "x52_common.h"
 #include "gettext.h"
 
-#define VENDOR_SAITEK 0x06a3
-#define X52_PROD_X52PRO 0x0762
-#define X52_PROD_X52_1  0x0255
-#define X52_PROD_X52_2  0x075C
-
 /* Check if the USB device is supported by this library */
 static int libx52_check_product(uint16_t idVendor, uint16_t idProduct)
 {
@@ -101,6 +96,7 @@ int libx52_connect(libx52_device *dev)
                 }
 
                 dev->hdl = hdl;
+                dev->pid = desc.idProduct;
 
                 if (libx52_device_is_x52pro(desc.idProduct)) {
                     set_bit(&(dev->flags), X52_FLAG_IS_PRO);