From b93b9d8b58643310f14ff0210bfdf5d4f3b23f76 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 9 Mar 2015 16:23:09 +0100
Subject: [PATCH] (udev) Implement wheel up/wheel down

---
 input/drivers/udev_input.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/input/drivers/udev_input.c b/input/drivers/udev_input.c
index 79fd52404a..e10681267b 100644
--- a/input/drivers/udev_input.c
+++ b/input/drivers/udev_input.c
@@ -217,12 +217,6 @@ static void udev_handle_mouse(udev_input_t *udev,
             case BTN_MIDDLE:
                udev->mouse_m = event->value;
                break;
-            case BTN_FORWARD:
-               udev->mouse_wu = event->value;
-               break;
-            case BTN_BACK:
-               udev->mouse_wd = event->value;
-               break;
             default:
                break;
          }
@@ -238,6 +232,12 @@ static void udev_handle_mouse(udev_input_t *udev,
             case REL_Y:
                udev->mouse_y += event->value;
                break;
+            case REL_WHEEL:
+               if (event->value == 1)
+                  udev->mouse_wu = 1;
+               else if (event->value == -1)
+                  udev->mouse_wd = 1;
+               break;
 
             default:
                break;