From e46ef1c378a30f21530558c10c317642d3425948 Mon Sep 17 00:00:00 2001
From: Brendan Porter <bporter@mytech.com>
Date: Wed, 15 Aug 2018 18:44:43 -0500
Subject: [PATCH] fixing gpio slowdown

---
 matrix.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/matrix.go b/matrix.go
index 439a34e..1a0f089 100644
--- a/matrix.go
+++ b/matrix.go
@@ -120,7 +120,7 @@ func (c *HardwareConfig) toC() *C.struct_RGBLedMatrixOptions {
 	o.hardware_mapping = C.CString(c.HardwareMapping)
 
 	if c.GPIOSlowdown >= 0 && c.GPIOSlowdown < 3 {
-		C.gpio_slowdown(gpio_slowdown)
+		C.gpio_slowdown(c.GPIOSlowdown)
 	}
 
 	if c.ShowRefreshRate == true {