From 7c71ebd451256886b12b953adba47c717dbda4ba Mon Sep 17 00:00:00 2001
From: chrys87 <chrys87@web.de>
Date: Tue, 31 Jan 2017 10:37:39 +0100
Subject: [PATCH] add compat for older evdev versions.

---
 src/fenrir/inputDriver/evdevDriver.py | 33 ++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/src/fenrir/inputDriver/evdevDriver.py b/src/fenrir/inputDriver/evdevDriver.py
index 3724faf2..1fff537e 100644
--- a/src/fenrir/inputDriver/evdevDriver.py
+++ b/src/fenrir/inputDriver/evdevDriver.py
@@ -161,7 +161,28 @@ class driver():
                 self.ledDevices[i].set_led(led , 1)
     def grabDevices(self):
         if not self._initialized:
-            return None    
+            return None
+        try:
+            for fd in self.iDevices:
+                try:        
+                    self.uDevices[fd] = UInput.from_device(self.iDevices[fd].fn)
+                except:
+                    try:
+                        self.env['runtime']['debug'].writeDebugOut('InputDriver evdev: compat fallback:  ' + str(e),debug.debugLevel.ERROR)         
+                        dev = self.iDevices[fd]
+                        cap = dev.capabilities()
+                        del cap[0]
+                        self.uDevices[fd] = UInput(
+                          cap,
+                          dev.name,
+                        )
+                    except Exception as e:
+                        self.env['runtime']['debug'].writeDebugOut('InputDriver evdev: init Uinput not possible:  ' + str(e),debug.debugLevel.ERROR)         
+                        return                  
+                try:
+                    self.iDevices[fd].grab()
+                except Exception as e:
+                    self.env['runtime']['debug'].writeDebugOut('InputDriver evdev: grabing not possible:  ' + str(e),debug.debugLevel.ERROR)         
 #        leve the old code until the new one is better tested    
 #        for fd in self.iDevices:
 #            dev = self.iDevices[fd]
@@ -175,14 +196,10 @@ class driver():
 #              #dev.version,
 #              #dev.info.bustype,
 #              #'/dev/uinput'
-#              )
+#            )
 #            dev.grab()
-        for fd in self.iDevices:
-            try:        
-                self.uDevices[fd] = UInput.from_device(self.iDevices[fd].fn)
-                self.iDevices[fd].grab()
-            except Exception as e:
-                self.env['runtime']['debug'].writeDebugOut('InputDriver evdev: grabing not possible:  ' + str(e),debug.debugLevel.ERROR) 
+
+
     def releaseDevices(self):
         if not self._initialized:
             return None