From: Michal Sojka <michal.sojka@cvut.cz>
Date: Mon, 6 Aug 2018 11:55:27 +0000 (+0200)
Subject: Allow using different input event source
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/coffee/mt-apps.git/commitdiff_plain/4d4c49a152a98299af9ea5215a6bd03285dbbb7d

Allow using different input event source

Useful for testing on different hardware (e.g. my laptop).
---

diff --git a/mt_keys.c b/mt_keys.c
index a209340..5d4145e 100644
--- a/mt_keys.c
+++ b/mt_keys.c
@@ -100,9 +100,14 @@ static void keys_cb(EV_P_ ev_io *w_, int revents)
 
 int mt_keys_init(mt_keys_t *self, struct ev_loop *loop, int fd)
 {
-    int ev = open("/dev/input/by-path/platform-gpio-keys-event", O_RDONLY);
+    char *dev = getenv("INPUT");
+
+    if (!dev)
+	dev = "/dev/input/by-path/platform-gpio-keys-event";
+
+    int ev = open(dev, O_RDONLY);
     if (ev == -1) {
-        perror("/dev/input/by-path/platform-gpio-keys-event");
+        perror(dev);
         return -1;
     }