diff --git a/configs/sama5d3x-ek/include/board_384mhz.h b/configs/sama5d3x-ek/include/board_384mhz.h
index 2488dc1d778..c2bc2426b44 100644
--- a/configs/sama5d3x-ek/include/board_384mhz.h
+++ b/configs/sama5d3x-ek/include/board_384mhz.h
@@ -155,7 +155,7 @@
  */
 
 #define BOARD_ADC_PRESCAL          (7)
-#define BOARD_TSD_STARTUP          (40         /* 40 nanoseconds */
+#define BOARD_TSD_STARTUP          (40)        /* 40 nanoseconds */
 #define BOARD_TSD_TRACKTIM         (2000)      /* Min 1µs at 8MHz */
 #define BOARD_TSD_DEBOUNCE         (10000000)  /* 10 milliseconds (unis nanoseconds) */
 
diff --git a/configs/sama5d3x-ek/include/board_396mhz.h b/configs/sama5d3x-ek/include/board_396mhz.h
index 68cff128f26..d099a068e43 100644
--- a/configs/sama5d3x-ek/include/board_396mhz.h
+++ b/configs/sama5d3x-ek/include/board_396mhz.h
@@ -113,7 +113,7 @@
  */
 
 #define BOARD_ADC_PRESCAL          (7)
-#define BOARD_TSD_STARTUP          (40         /* 40 nanoseconds */
+#define BOARD_TSD_STARTUP          (40)        /* 40 nanoseconds */
 #define BOARD_TSD_TRACKTIM         (2000)      /* Min 1µs at 8MHz */
 #define BOARD_TSD_DEBOUNCE         (10000000)  /* 10 milliseconds (unis nanoseconds) */
 
diff --git a/configs/sama5d3x-ek/src/sam_touchscreen.c b/configs/sama5d3x-ek/src/sam_touchscreen.c
index 94763a69a86..d09a50d01bf 100644
--- a/configs/sama5d3x-ek/src/sam_touchscreen.c
+++ b/configs/sama5d3x-ek/src/sam_touchscreen.c
@@ -39,6 +39,8 @@
 
 #include <nuttx/config.h>
 
+#include <sys/types.h>
+#include <errno.h>
 #include <debug.h>
 
 #include "sam_adc.h"
@@ -102,7 +104,6 @@ int arch_tcinitialize(int minor)
 {
   struct sam_adc_s *adc;
   static bool initialized = false;
-  FAR struct spi_dev_s *dev;
   int ret;
 
   idbg("initialized:%d minor:%d\n", initialized, minor);
@@ -116,7 +117,7 @@ int arch_tcinitialize(int minor)
     {
       /* Initialize the ADC driver */
 
-      adc = sam_adcinitialize();
+      adc = sam_adc_initialize();
       if (!adc)
         {
           idbg("ERROR: Failed to initialize the ADC driver\n");