diff --git a/drivers/input/touchscreen_upper.c b/drivers/input/touchscreen_upper.c
index 9844a59221..a1239452e3 100644
--- a/drivers/input/touchscreen_upper.c
+++ b/drivers/input/touchscreen_upper.c
@@ -245,6 +245,10 @@ out:
   return ret;
 }
 
+/****************************************************************************
+ * Name: touch_ioctl
+ ****************************************************************************/
+
 static int touch_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 {
   FAR struct inode             *inode = filep->f_inode;
@@ -271,6 +275,10 @@ static int touch_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
   return ret;
 }
 
+/****************************************************************************
+ * Name: touch_poll
+ ****************************************************************************/
+
 static int touch_poll(FAR struct file *filep, struct pollfd *fds, bool setup)
 {
   FAR struct touch_openpriv_s *openpriv = filep->f_priv;
@@ -318,6 +326,10 @@ errout:
  * Public Function
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: touch_event
+ ****************************************************************************/
+
 void touch_event(FAR void *priv, FAR const struct touch_sample_s *sample)
 {
   FAR struct touch_upperhalf_s *upper = priv;
@@ -346,6 +358,10 @@ void touch_event(FAR void *priv, FAR const struct touch_sample_s *sample)
   nxmutex_unlock(&upper->lock);
 }
 
+/****************************************************************************
+ * Name: touch_register
+ ****************************************************************************/
+
 int touch_register(FAR struct touch_lowerhalf_s *lower,
                    FAR const char *path, uint8_t nums)
 {
@@ -384,6 +400,10 @@ int touch_register(FAR struct touch_lowerhalf_s *lower,
   return ret;
 }
 
+/****************************************************************************
+ * Name: touch_unregister
+ ****************************************************************************/
+
 void touch_unregister(FAR struct touch_lowerhalf_s *lower,
                       FAR const char *path)
 {