From 45f5449fbf8e872562c83e479aa2d2337ebabf75 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Mon, 10 Oct 2016 14:10:43 +0300
Subject: [PATCH] prevent some devices from locking the SCL line

---
 cores/esp32/esp32-hal-i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp32/esp32-hal-i2c.c b/cores/esp32/esp32-hal-i2c.c
index 83a527c0..bb78e71d 100644
--- a/cores/esp32/esp32-hal-i2c.c
+++ b/cores/esp32/esp32-hal-i2c.c
@@ -26,7 +26,7 @@
 
 void i2cAttachSCL(i2c_t * i2c, int8_t scl)
 {
-    pinMode(scl, OUTPUT_OPEN_DRAIN);
+    pinMode(scl, OUTPUT);
     pinMatrixOutAttach(scl, I2C_SCL_IDX(i2c->num), false, false);
     pinMatrixInAttach(scl, I2C_SCL_IDX(i2c->num), false);
 }