From 87ee6d10e002776b8461e873e54e990cf2e616a6 Mon Sep 17 00:00:00 2001
From: skorpsim <57116055+skorpsim@users.noreply.github.com>
Date: Sun, 8 Dec 2019 17:12:03 +0100
Subject: [PATCH] Update I2S.cpp WDT patch

enableClock() in I2S.cpp does not set DIVSEL bit but requires DIVSEL to be 0.
All of the WDT's i have tested so far set DIVSEL to 1.
This leads to incompatibilities. For example no sound with ArduinoSound and WDT
---
 libraries/I2S/src/I2S.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/I2S/src/I2S.cpp b/libraries/I2S/src/I2S.cpp
index a62bc5114..cf5023583 100644
--- a/libraries/I2S/src/I2S.cpp
+++ b/libraries/I2S/src/I2S.cpp
@@ -419,6 +419,7 @@ void I2SClass::enableClock(int divider)
 
   // use the DFLL as the source
   while (GCLK->STATUS.bit.SYNCBUSY);
+  GCLK->GENCTRL.bit.DIVSEL = 0;
   GCLK->GENCTRL.bit.ID = _clockGenerator;
   GCLK->GENCTRL.bit.SRC = src;
   GCLK->GENCTRL.bit.IDC = 1;