From 4fe995d0ec984833a7ea9c33bac5c67a53c04178 Mon Sep 17 00:00:00 2001
From: Andrew Scheller <andrew.scheller@raspberrypi.com>
Date: Thu, 8 Apr 2021 21:25:01 +0100
Subject: [PATCH] Update NULL GPIO function to 0x1f (#320)

Fixes #210
---
 src/rp2_common/hardware_gpio/include/hardware/gpio.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rp2_common/hardware_gpio/include/hardware/gpio.h b/src/rp2_common/hardware_gpio/include/hardware/gpio.h
index 019ec3d..3c261a9 100644
--- a/src/rp2_common/hardware_gpio/include/hardware/gpio.h
+++ b/src/rp2_common/hardware_gpio/include/hardware/gpio.h
@@ -96,7 +96,7 @@ enum gpio_function {
     GPIO_FUNC_PIO1 = 7,
     GPIO_FUNC_GPCK = 8,
     GPIO_FUNC_USB = 9,
-    GPIO_FUNC_NULL = 0xf,
+    GPIO_FUNC_NULL = 0x1f,
 };
 
 #define GPIO_OUT 1