From: Kevin O'Connor <kevin@koconnor.net>
Date: Fri, 2 Sep 2016 20:18:53 +0000 (-0400)
Subject: kbd: Suppress keys without mappings
X-Git-Tag: rel-1.10.0~17
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=da90e733004ad39e6b2e8c280f8a9f95ac17e354;p=people%2Fandrewcoop%2Fseabios.git

kbd: Suppress keys without mappings

Don't warn if a key without a mapping is pressed - it's known that
some keys aren't mapped to keycodes.  Suppress these keys instead of
sending 0x0000 to the keyboard buffer - as 0x0000 can confuse some
programs.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---

diff --git a/src/kbd.c b/src/kbd.c
index cc41025..203402a 100644
--- a/src/kbd.c
+++ b/src/kbd.c
@@ -553,9 +553,8 @@ __process_key(u8 scancode)
             else
                 keycode = (keycode & 0xff00) | 0xe0;
         }
-        if (!keycode)
-            dprintf(1, "KBD: keycode is zero?\n");
-        enqueue_key(keycode);
+        if (keycode)
+            enqueue_key(keycode);
         break;
     }
     flags2 &= ~KF2_LAST_E0;