From 9a071f051ca9dffdf64b68ea59b2424e37bc51e7 Mon Sep 17 00:00:00 2001
From: Priyadi Iman Nurcahyo <priyadi@priyadi.net>
Date: Sat, 26 Nov 2016 13:24:53 +0700
Subject: [PATCH] Make PS2 init delay configurable. Some devices are not fully
 powered up after 1s.

---
 tmk_core/protocol/ps2_mouse.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tmk_core/protocol/ps2_mouse.c b/tmk_core/protocol/ps2_mouse.c
index c3e8b3c1..82f6966e 100644
--- a/tmk_core/protocol/ps2_mouse.c
+++ b/tmk_core/protocol/ps2_mouse.c
@@ -26,6 +26,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "print.h"
 #include "debug.h"
 
+#ifndef PS2_INIT_DELAY
+#define PS2_INIT_DELAY 1000
+#endif
 
 static report_mouse_t mouse_report = {};
 
@@ -39,7 +42,7 @@ uint8_t ps2_mouse_init(void) {
 
     ps2_host_init();
 
-    _delay_ms(1000);    // wait for powering up
+    _delay_ms(PS2_INIT_DELAY);    // wait for powering up
 
     // send Reset
     rcv = ps2_host_send(0xFF);