From c922fc2cf35b4a45b673fa5343a9a96fc05a7856 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@users.noreply.github.com>
Date: Tue, 20 Apr 2021 19:08:29 +0200
Subject: [PATCH] =?UTF-8?q?[Keyboard]=20kint2pp:=20reduce=20input=20latenc?=
 =?UTF-8?q?y=20by=20=E2=89=8810ms=20(#12625)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 keyboards/kinesis/kint2pp/config.h | 4 ++++
 keyboards/kinesis/kint2pp/rules.mk | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/keyboards/kinesis/kint2pp/config.h b/keyboards/kinesis/kint2pp/config.h
index 902c9b24a0..ff5761b6bc 100644
--- a/keyboards/kinesis/kint2pp/config.h
+++ b/keyboards/kinesis/kint2pp/config.h
@@ -36,3 +36,7 @@
 #define DEBOUNCE 5
 
 #define IGNORE_MOD_TAP_INTERRUPT
+
+// Reduce input latency by lowering the USB polling interval
+// from its 10ms default to the 1ms minimum that USB 1.x (Full Speed) allows:
+#define USB_POLLING_INTERVAL_MS 1
diff --git a/keyboards/kinesis/kint2pp/rules.mk b/keyboards/kinesis/kint2pp/rules.mk
index e69de29bb2..7c48a98bfc 100644
--- a/keyboards/kinesis/kint2pp/rules.mk
+++ b/keyboards/kinesis/kint2pp/rules.mk
@@ -0,0 +1,3 @@
+# Debounce eagerly (report change immediately), keep per-key timers. We can use
+# this because the kinT does not have to deal with noise.
+DEBOUNCE_TYPE = sym_eager_pk