From f37cdf8ffa662ef8f8f4b4a8d23c7973a644f30b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Sarrailh?= <remi@madnerd.org>
Date: Fri, 15 Feb 2019 21:35:06 +0100
Subject: [PATCH] Fix for ESP32 with Compiler Warning:All

I got this error with ESP32
error: suggest parentheses around comparison in operand of '&' [-Werror=parentheses]

When compiler warning is set on All, the code will not compile
---
 Adafruit_TSL2561_U.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Adafruit_TSL2561_U.cpp b/Adafruit_TSL2561_U.cpp
index 69663fa..f77eaf7 100644
--- a/Adafruit_TSL2561_U.cpp
+++ b/Adafruit_TSL2561_U.cpp
@@ -107,7 +107,7 @@ boolean Adafruit_TSL2561_Unified::init()
 {
   /* Make sure we're actually connected */
   uint8_t x = read8(TSL2561_REGISTER_ID);
-  if (x & 0xF0 != 0x10) { // ID code for TSL2561
+  if ((x & 0xF0) != 0x10) { // ID code for TSL2561
     return false;
   }
   _tsl2561Initialised = true;