From 959c67702501b1a7eb48d23ccb4a83c307537fe5 Mon Sep 17 00:00:00 2001
From: Mahavir Jain <mahavir@espressif.com>
Date: Tue, 17 Apr 2018 10:39:36 +0530
Subject: [PATCH] rtc_module: fix build failure if assertions are disabled

Closes https://github.com/espressif/esp-idf/issues/1841

Signed-off-by: Mahavir Jain <mahavir@espressif.com>
---
 components/driver/rtc_module.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/driver/rtc_module.c b/components/driver/rtc_module.c
index 31804a78a1..c2bff692b4 100644
--- a/components/driver/rtc_module.c
+++ b/components/driver/rtc_module.c
@@ -1240,7 +1240,7 @@ static int adc_convert( adc_unit_t unit, int channel)
         adc_value = SENS.sar_meas_start2.meas2_data_sar;    
     } else {
         ESP_LOGE(TAG, "invalid adc unit");
-        assert(0);
+        return ESP_ERR_INVALID_ARG;
     }
     return adc_value;
 }