From e779f66dac37f70908c36f7cae30b67e0d153ef1 Mon Sep 17 00:00:00 2001
From: bruceperens <bruceperens@01035d8c-6547-0410-b346-abe4f91aad63>
Date: Sat, 19 Apr 2014 06:01:47 +0000
Subject: [PATCH] Make sure "changed" is only set for real changes.

git-svn-id: https://svn.code.sf.net/p/freetel/code@1512 01035d8c-6547-0410-b346-abe4f91aad63
---
 freedv-server/source/platform/linux/ptt_evdev.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/freedv-server/source/platform/linux/ptt_evdev.cpp b/freedv-server/source/platform/linux/ptt_evdev.cpp
index e9960011..864ac16c 100644
--- a/freedv-server/source/platform/linux/ptt_evdev.cpp
+++ b/freedv-server/source/platform/linux/ptt_evdev.cpp
@@ -130,12 +130,16 @@ namespace FreeDV {
         if ( event->type == EV_KEY && event->code == button_index ) {
           switch ( event->value ) {
           case 0:
-  	    changed = true;
-  	    pressed = false;
+            if ( pressed ) {
+  	      changed = true;
+  	      pressed = false;
+            }
             break;
           case 1:
-  	    changed = true;
-            pressed = true;
+            if ( !pressed ) {
+  	      changed = true;
+              pressed = true;
+            }
             break;
   	  default:
   	    ;
-- 
2.25.1