From 6e39b4d191e5598add355fcc08cebe9d8cc1ba09 Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Wed, 8 Jan 2020 15:25:20 +0100
Subject: [PATCH] drivers/periph: adc_sample() now returns int32_t

Reasoning: This allow support for ADCs with resolution of more than 16 bits on
8 bit and 16 bit platforms.
---
 drivers/include/periph/adc.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/include/periph/adc.h b/drivers/include/periph/adc.h
index d4e6458b3e..16105c355d 100644
--- a/drivers/include/periph/adc.h
+++ b/drivers/include/periph/adc.h
@@ -56,6 +56,7 @@
 #define PERIPH_ADC_H
 
 #include <limits.h>
+#include <stdint.h>
 
 #include "periph_cpu.h"
 #include "periph_conf.h"
@@ -125,7 +126,7 @@ int adc_init(adc_t line);
  * @return                  the sampled value on success
  * @return                  -1 if resolution is not applicable
  */
-int adc_sample(adc_t line, adc_res_t res);
+int32_t adc_sample(adc_t line, adc_res_t res);
 
 #ifdef __cplusplus
 }