From b858c638adcbebb9a3946e1a893f5da312711b3d Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 13 Mar 2018 22:33:08 -0500
Subject: [PATCH] Fix compiler warning for HAL_ANALOG_SELECT

---
 Marlin/src/HAL/HAL_AVR/HAL_AVR.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/src/HAL/HAL_AVR/HAL_AVR.h b/Marlin/src/HAL/HAL_AVR/HAL_AVR.h
index df6e7efe2..1a5d02682 100644
--- a/Marlin/src/HAL/HAL_AVR/HAL_AVR.h
+++ b/Marlin/src/HAL/HAL_AVR/HAL_AVR.h
@@ -164,7 +164,7 @@ extern "C" {
 
 // ADC
 #ifdef DIDR2
-  #define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin - 8); }while(0)
+  #define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin & 0x07); }while(0)
 #else
   #define HAL_ANALOG_SELECT(pin) do{ SBI(DIDR0, pin); }while(0)
 #endif