1 files changed, 5 insertions, 1 deletions
diff --git a/os/hal/src/hal_adc.c b/os/hal/src/hal_adc.c
index 0945ea9f2..222aaea4f 100644
--- a/os/hal/src/hal_adc.c
+++ b/os/hal/src/hal_adc.c
@@ -117,10 +117,14 @@ void adcStop(ADCDriver *adcp) {
   osalDbgCheck(adcp != NULL);
 
   osalSysLock();
+
   osalDbgAssert((adcp->state == ADC_STOP) || (adcp->state == ADC_READY),
                 "invalid state");
+
   adc_lld_stop(adcp);
-  adcp->state = ADC_STOP;
+  adcp->config = NULL;
+  adcp->state  = ADC_STOP;
+
   osalSysUnlock();
 }