From a139fc90cc2762cd2442067b9dea6c5bdded9880 Mon Sep 17 00:00:00 2001
From: Frederic Pillon <frederic.pillon@st.com>
Date: Mon, 3 May 2021 11:05:28 +0200
Subject: [PATCH] fix: analog: use MAX_PWM_RESOLUTION instead of
 MAX_ADC_RESOLUTION

Fixes #1378

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>
---
 cores/arduino/wiring_analog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
index 6caf815e83..0b80ca3828 100644
--- a/cores/arduino/wiring_analog.c
+++ b/cores/arduino/wiring_analog.c
@@ -119,8 +119,8 @@ void analogWriteResolution(int res)
 {
   if ((res > 0) && (res <= 32)) {
     _writeResolution = res;
-    if (_writeResolution > MAX_ADC_RESOLUTION) {
-      _internalWriteResolution = MAX_ADC_RESOLUTION;
+    if (_writeResolution > MAX_PWM_RESOLUTION) {
+      _internalWriteResolution = MAX_PWM_RESOLUTION;
     } else {
       _internalWriteResolution = _writeResolution;
     }