From c7453b24523b83abccf79c27f868ca27c409037f Mon Sep 17 00:00:00 2001
From: Wolfgang Betz <wolfgang.betz@st.com>
Date: Thu, 23 Feb 2017 09:18:34 +0100
Subject: [PATCH] Correct return values for `I2C::write(int, const char*, int,
 bool)`

---
 drivers/I2C.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/I2C.h b/drivers/I2C.h
index 84f1d89880..69561dd039 100644
--- a/drivers/I2C.h
+++ b/drivers/I2C.h
@@ -117,8 +117,8 @@ public:
      *  @param repeated Repeated start, true - do not send stop at end
      *
      *  @returns
-     *      0 or non-zero - written number of bytes,
-     *      negative - I2C_ERROR_XXX status
+     *       0 on success (ack),
+     *   non-0 on failure (nack)
      */
     int write(int address, const char *data, int length, bool repeated = false);