From dad19aa2ade8baad22f312cbea7f25047aa2e943 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Wed, 22 Dec 2021 23:43:03 +0900
Subject: [PATCH] [input] Correct balanced range calculation

Fixes axis inputs being half what they should be. Can't quite get +1,
though (need to figure something out for the positive axis range being
slightly smaller than the negative range).
---
 libs/input/in_imt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/input/in_imt.c b/libs/input/in_imt.c
index d64fc7a1d..2d1d1f5b3 100644
--- a/libs/input/in_imt.c
+++ b/libs/input/in_imt.c
@@ -588,8 +588,8 @@ IMT_ProcessAxis (int axis, int value)
 				if (recipe->deadzone >= 0) {
 					// balanced axis: -1..1
 					int         center = (recipe->min + recipe->max + 1) / 2;
-					minval += deadzone - center;
-					maxval -= deadzone + center;
+					minval += deadzone;
+					maxval -= deadzone;
 					input -= center;
 					if (input < -deadzone) {
 						input += deadzone;