From 21bf91537f4462a458b20334d59f43c3bdec6066 Mon Sep 17 00:00:00 2001
From: Edward Rudd <urkle@outoforder.cc>
Date: Thu, 30 May 2013 22:14:24 -0400
Subject: [PATCH] Add trigger value adjustment code to the
 SDL_GameControllerGetAxis code as well.

- fixes Trigger values when polling instead of using event driven
---
 src/joystick/SDL_gamecontroller.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index 0d5ae7176..bf85cdc10 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -960,7 +960,17 @@ SDL_GameControllerGetAxis(SDL_GameController * gamecontroller, SDL_GameControlle
 
     if (gamecontroller->mapping.axes[axis] >= 0 )
     {
-        return ( SDL_JoystickGetAxis( gamecontroller->joystick, gamecontroller->mapping.axes[axis]) );
+        Sint16 value = ( SDL_JoystickGetAxis( gamecontroller->joystick, gamecontroller->mapping.axes[axis]) );
+        switch (axis)
+        {
+            case SDL_CONTROLLER_AXIS_TRIGGERLEFT:
+            case SDL_CONTROLLER_AXIS_TRIGGERRIGHT:
+                /* Shift it to be 0 - 32767. */
+                value = value / 2 + 16384;
+            default:
+                break;
+        }
+        return value;
     }
     else if (gamecontroller->mapping.buttonasaxis[axis] >= 0 )
     {