From: Michal Suchanek <msuchanek@suse.de>
Date: Thu, 15 Jun 2017 10:50:05 +0000 (+0200)
Subject: hwdb: weed out key defines which do not designate events
X-Git-Tag: v234~74^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F6099%2Fhead;p=thirdparty%2Fsystemd.git

hwdb: weed out key defines which do not designate events

The defines

KEY_MAX
KEY_CNT
KEY_MIN_INTERESTING
BTN_MISC
BTN_MOUSE
BTN_JOYSTICK
BTN_GAMEPAD
BTN_DIGI
BTN_WHEEL
BTN_TRIGGER_HAPPY

mark start/end of key blocks and do not designate events.

Exclude them from the list of recognized key events.
---

diff --git a/src/udev/generate-keyboard-keys-list.sh b/src/udev/generate-keyboard-keys-list.sh
index 83bf4a97d22..7a74e0dae1e 100755
--- a/src/udev/generate-keyboard-keys-list.sh
+++ b/src/udev/generate-keyboard-keys-list.sh
@@ -1,4 +1,6 @@
 #!/bin/sh -eu
 
-$1 -dM -include linux/input.h - </dev/null | \
-        awk '/^#define[ \t]+(KEY|BTN)_[^ ]+[ \t]+[0-9BK]/ { if ($2 != "KEY_MAX") { print $2 } }'
+$1 -dM -include linux/input.h - </dev/null | awk '
+        /\<(KEY_(MAX|MIN_INTERESTING))|(BTN_(MISC|MOUSE|JOYSTICK|GAMEPAD|DIGI|WHEEL|TRIGGER_HAPPY))\>/  { next }
+        /^#define[ \t]+(KEY|BTN)_[^ ]+[ \t]+[0-9BK]/                                                    { print $2 }
+'