From 765e2da8a7495aca1c90309b6df0ada9647a32f1 Mon Sep 17 00:00:00 2001
From: Pat Hickey <pat@galois.com>
Date: Wed, 5 Dec 2012 18:33:42 -0800
Subject: [PATCH] AP_HAL_AVR: analog input fixed when ANALOG_INPUT_NONE

* need to provide new sample so we dont spin forever
---
 libraries/AP_HAL_AVR/AnalogIn_Common.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_HAL_AVR/AnalogIn_Common.cpp b/libraries/AP_HAL_AVR/AnalogIn_Common.cpp
index f073dcdb70..bd4ad671fb 100644
--- a/libraries/AP_HAL_AVR/AnalogIn_Common.cpp
+++ b/libraries/AP_HAL_AVR/AnalogIn_Common.cpp
@@ -70,6 +70,7 @@ void AVRAnalogIn::_register_channel(ADCSource* ch) {
 void AVRAnalogIn::_timer_event(uint32_t t) {
 
     if (_channels[_active_channel]->_pin == ANALOG_INPUT_NONE) {
+        _channels[_active_channel]->new_sample(0);
         goto next_channel;
     }