From c4047eabdbd636ec09779b484f09204aa3bb19d3 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Thu, 7 Nov 2019 15:53:48 -0700
Subject: [PATCH] Ensure that spurious presses are ignored

---
 src/board/system76/galp3-c/main.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/board/system76/galp3-c/main.c b/src/board/system76/galp3-c/main.c
index 4630381..7bfb51f 100644
--- a/src/board/system76/galp3-c/main.c
+++ b/src/board/system76/galp3-c/main.c
@@ -100,9 +100,16 @@ void power_button() {
     static bool power = false;
 
     // Check if the power switch goes low
-    static bool last = false;
+    static bool last = true;
     bool new = gpio_get(&PWR_SW_N);
     if (!new && last) {
+        // Ensure press is not spurious
+        delay_ms(100);
+        if (gpio_get(&PWR_SW_N) != new) {
+            printf("Spurious press\n");
+            return;
+        }
+
         printf("Power switch press\n");
 
         power = !power;