From de326d078d9de21acccfa96525597308a7ec036d Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Fri, 17 Jun 2016 22:06:58 -0400
Subject: prevents ergodox_ez from waking up machine (#375)

---
 keyboard/ergodox_ez/matrix.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/keyboard/ergodox_ez/matrix.c b/keyboard/ergodox_ez/matrix.c
index 7266cca98..2a7dfba21 100644
--- a/keyboard/ergodox_ez/matrix.c
+++ b/keyboard/ergodox_ez/matrix.c
@@ -106,6 +106,25 @@ void matrix_init(void)
 
 }
 
+void matrix_power_up(void) {
+    mcp23018_status = init_mcp23018();
+
+    unselect_rows();
+    init_cols();
+
+    // initialize matrix state: all keys off
+    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+        matrix[i] = 0;
+        matrix_debouncing[i] = 0;
+    }
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+    matrix_timer = timer_read32();
+    matrix_scan_count = 0;
+#endif
+
+}
+
 uint8_t matrix_scan(void)
 {
     if (mcp23018_status) { // if there was an error
-- 
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