From f973738e5ba268d2ca76bab2cb08b123a4c7aae1 Mon Sep 17 00:00:00 2001
From: Daryl Borth <dborth@gmail.com>
Date: Sun, 16 Feb 2020 17:52:18 -0700
Subject: [PATCH] set default calibration values for controllers that return
 invalid data

---
 source/gui/gui_trigger.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/gui/gui_trigger.cpp b/source/gui/gui_trigger.cpp
index e918178..ff20557 100644
--- a/source/gui/gui_trigger.cpp
+++ b/source/gui/gui_trigger.cpp
@@ -137,6 +137,14 @@ s8 GuiTrigger::WPAD_Stick(u8 stick, int axis)
 			return 0;
 		}
 
+		// some 3rd party controllers return invalid analog sticks calibration data
+		if ((min >= center) || (max <= center)) {
+			// force default calibration settings
+			min = 0;
+			max = stick ? 32 : 64;
+			center = stick ? 16 : 32;
+		}
+
 		if (pos > max) return 127;
 		if (pos < min) return -128;