calculate-overlay/games-util/steam-launcher/files/steam-fix-joystick-detection.patch

--- /usr/bin/steam	2015-03-31 21:21:06.000000000 +0200
+++ steam	2015-05-05 13:34:16.462812460 +0200
@@ -31,6 +31,27 @@
     fi
 fi
 
+# Finds joystick devices so we can coerce Steam's old SDL library into using them
+function enum_joysticks {
+  local joyprop=ID_INPUT_JOYSTICK=1
+  for f in /dev/input/*; do
+    if [ ! -c $f ]; then
+      continue
+    elif udevadm info --query=property --name=$f | grep --quiet $joyprop; then
+      echo $f
+    fi
+  done
+}
+
+# Uses the first arg as a separator to join the remaining args
+function join {
+  local IFS="$1"
+  shift
+  echo "$*"
+}
+
+export SDL_JOYSTICK_DEVICE=$(join : $(enum_joysticks))
+
 function show_message()
 {
 	style=$1