nuttx: Support for the mouse ioctl interface

Signed-off-by: liuhongchao <liuhongchao@xiaomi.com>

drivers/input/mouse_upper.c

@@ -68,6 +68,8 @@ static int     mouse_open(FAR struct file *filep);
 static int     mouse_close(FAR struct file *filep);
 static ssize_t mouse_read(FAR struct file *filep, FAR char *buffer,
                           size_t buflen);
+static int     mouse_ioctl(FAR struct file *filep, int cmd,
+                           unsigned long arg);
 static int     mouse_poll(FAR struct file *filep, FAR struct pollfd *fds,
                           bool setup);
 
@@ -82,7 +84,7 @@ static const struct file_operations g_mouse_fops =
   mouse_read,     /* read */
   NULL,           /* write */
   NULL,           /* seek */
-  NULL,           /* ioctl */
+  mouse_ioctl,    /* ioctl */
   NULL,           /* mmap */
   NULL,           /* truncate */
   mouse_poll      /* poll */
@@ -217,6 +219,36 @@ out:
   return ret;
 }
 
+/****************************************************************************
+ * Name: mouse_ioctl
+ ****************************************************************************/
+
+static int mouse_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
+{
+  FAR struct inode             *inode = filep->f_inode;
+  FAR struct mouse_upperhalf_s *upper = inode->i_private;
+  FAR struct mouse_lowerhalf_s *lower = upper->lower;
+  int ret;
+
+  ret = nxmutex_lock(&upper->lock);
+  if (ret < 0)
+    {
+      return ret;
+    }
+
+  if (lower->control)
+    {
+      ret = lower->control(lower, cmd, arg);
+    }
+  else
+    {
+      ret = -ENOTTY;
+    }
+
+  nxmutex_unlock(&upper->lock);
+  return ret;
+}
+
 /****************************************************************************
  * Name: mouse_poll
  ****************************************************************************/