From bb09cd8d9a3f04463df55cb4ba63d2d4920e04a9 Mon Sep 17 00:00:00 2001
From: Francisco Lopes <francisco@oblita.com>
Date: Mon, 4 Dec 2017 02:54:52 -0200
Subject: [PATCH] Discard MSC_SCAN events

Given that only EV_KEY events are being mapped, without their scancode
counterparts, we just drop all scancode events to avoid having to map
them too, to syncing it with the corresponding mapped keys. This is
expected to be harmless.
---
 caps2esc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/caps2esc.c b/caps2esc.c
index f25310d..e9e29b6 100644
--- a/caps2esc.c
+++ b/caps2esc.c
@@ -39,6 +39,9 @@ int main(void) {
     setbuf(stdin, NULL), setbuf(stdout, NULL);
 
     while (read_event(&input)) {
+        if (input.type == EV_MSC && input.code == MSC_SCAN)
+            continue;
+
         if (input.type != EV_KEY) {
             write_event(&input);
             continue;