From d00141b1d403f9a8b9e14bf4f1cb0f3fe0f201f7 Mon Sep 17 00:00:00 2001
From: Gunar Schorcht <gunar@schorcht.net>
Date: Thu, 25 Nov 2021 13:45:23 +0100
Subject: [PATCH] sys/arduino: update TwoWire class to new I2C API

---
 sys/arduino/wireport.cpp | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/sys/arduino/wireport.cpp b/sys/arduino/wireport.cpp
index 6488bb2483..290bd398b1 100644
--- a/sys/arduino/wireport.cpp
+++ b/sys/arduino/wireport.cpp
@@ -101,13 +101,12 @@ uint8_t TwoWire::requestFrom(uint8_t addr, uint8_t size, uint8_t stop)
 
     uint8_t read = 0;
 
-    if (i2c_acquire(ARDUINO_I2C_DEV) == 0) {
-        if (i2c_read_bytes(ARDUINO_I2C_DEV, addr, rxBuffer, size,
-                           stop ? 0 : I2C_NOSTOP) == 0) {
-            read = size;
-        }
-        i2c_release(ARDUINO_I2C_DEV);
+    i2c_acquire(ARDUINO_I2C_DEV);
+    if (i2c_read_bytes(ARDUINO_I2C_DEV, addr, rxBuffer, size,
+                       stop ? 0 : I2C_NOSTOP) == 0) {
+        read = size;
     }
+    i2c_release(ARDUINO_I2C_DEV);
 
     rxBufferIndex = 0;
     rxBufferLength = read;
@@ -136,9 +135,7 @@ uint8_t TwoWire::endTransmission(uint8_t stop)
         return txError;
     }
 
-    if (i2c_acquire(ARDUINO_I2C_DEV) != 0) {
-        return WIRE_PORT_ERROR_OTHER;
-    }
+    i2c_acquire(ARDUINO_I2C_DEV);
 
     int res = i2c_write_bytes(ARDUINO_I2C_DEV,
                               txAddress, txBuffer, txBufferLength,