From a7e617657af1c6a1f5d99d4b3a01e599eed8cf00 Mon Sep 17 00:00:00 2001
From: Antonio Lignan <alinan@zolertia.com>
Date: Thu, 29 Dec 2016 14:19:32 +0100
Subject: [PATCH] zoul: fix a bitmask bug in channels used

---
 platform/zoul/dev/adc-zoul.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/zoul/dev/adc-zoul.c b/platform/zoul/dev/adc-zoul.c
index f19daab48..1b9dbc974 100644
--- a/platform/zoul/dev/adc-zoul.c
+++ b/platform/zoul/dev/adc-zoul.c
@@ -162,7 +162,8 @@ configure(int type, int value)
     }
     adc_init();
     set_decimation_rate(SOC_ADC_ADCCON_DIV_512);
-    enabled_channels += value;
+    enabled_channels |= value;
+    PRINTF("ADC: enabled channels 0x%02X\n", enabled_channels);
     break;
 
   case ZOUL_SENSORS_CONFIGURE_TYPE_DECIMATION_RATE: