From 3936e7a7f1923b6ee2cc78de260db47a4045e6bd Mon Sep 17 00:00:00 2001
From: Rocco Marco Guglielmi <roccomarco.guglielmi@live.com>
Date: Sat, 7 May 2016 09:46:19 +0000
Subject: Fixed bug #740

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9444 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c | 4 ++--
 readme.txt                                 | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
index ba987adc9..5a01134ef 100644
--- a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
+++ b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
@@ -869,7 +869,7 @@ void adc_lld_stop_conversion(ADCDriver *adcp) {
  */
 void adcSTM32EnableVREF(ADCDriver *adcp) {
 
-  adcp->adcc->CCR |= ADC_CCR_VBATEN;
+  adcp->adcc->CCR |= ADC_CCR_VREFEN;
 }
 
 /**
@@ -884,7 +884,7 @@ void adcSTM32EnableVREF(ADCDriver *adcp) {
  */
 void adcSTM32DisableVREF(ADCDriver *adcp) {
 
-  adcp->adcc->CCR &= ~ADC_CCR_VBATEN;
+  adcp->adcc->CCR &= ~ADC_CCR_VREFEN;
 }
 
 /**
diff --git a/readme.txt b/readme.txt
index 285ca7988..838f8ca71 100644
--- a/readme.txt
+++ b/readme.txt
@@ -111,6 +111,8 @@
 - RT:  Merged RT4.
 - NIL: Merged NIL2.
 - NIL: Added STM32F7 demo.
+- HAL: Fixed bug in VREF enable/disable functions in ADCv3 driver 
+       (bug #740)(backported to 16.1.5).
 - HAL: Fixed DAC driver not enabled for STM32F4x7 and STM32F4x9 devices
        (bug #739)(backported to 3.0.6 and 16.1.5).
 - HAL: Fixed bug in interrupt handlers in STM32F4xx EXT driver (bug #738)
-- 
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