From c288034ff760a49b4ab10dc9c723259fbb9ba070 Mon Sep 17 00:00:00 2001
From: jeromecoutant <jerome.coutant@st.com>
Date: Fri, 13 Nov 2020 10:13:46 +0100
Subject: [PATCH] STM32L4: ADC compilation issue with L422

---
 targets/TARGET_STM/TARGET_STM32L4/analogin_device.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/targets/TARGET_STM/TARGET_STM32L4/analogin_device.c b/targets/TARGET_STM/TARGET_STM32L4/analogin_device.c
index 60a9d8082c..96814a6885 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/analogin_device.c
+++ b/targets/TARGET_STM/TARGET_STM32L4/analogin_device.c
@@ -92,7 +92,9 @@ static void _analogin_init_direct(analogin_t *obj, const PinMap *pinmap)
 
     // Enable ADC clock
     __HAL_RCC_ADC_CLK_ENABLE();
+#if defined(RCC_CCIPR_ADCSEL)
     __HAL_RCC_ADC_CONFIG(RCC_ADCCLKSOURCE_SYSCLK);
+#endif
 
     if (HAL_ADC_Init(&obj->handle) != HAL_OK) {
         error("Cannot initialize ADC\n");