diff --git a/src/dev/nuttx/lv_nuttx_libuv.c b/src/dev/nuttx/lv_nuttx_libuv.c
index b17d8bb28..f623ae062 100644
--- a/src/dev/nuttx/lv_nuttx_libuv.c
+++ b/src/dev/nuttx/lv_nuttx_libuv.c
@@ -301,14 +301,15 @@ static int lv_nuttx_uv_input_init(lv_nuttx_uv_t * uv_info, lv_nuttx_uv_ctx_t * u
     LV_ASSERT_NULL(uv_ctx);
     LV_ASSERT_NULL(loop);
 
-    if(!indev->read_timer) {
-        LV_LOG_ERROR("indev->read_timer is NULL");
+    if(lv_indev_get_mode(indev) == LV_INDEV_MODE_EVENT) {
+        LV_LOG_ERROR("input device has been running in event-driven mode");
         return -EINVAL;
     }
 
     lv_nuttx_uv_input_ctx_t * input_ctx = &uv_ctx->input_ctx;
     input_ctx->fd = *(int *)lv_indev_get_driver_data(indev);
     if(input_ctx->fd <= 0) {
+        LV_LOG_ERROR("can't get valid input fd");
         return 0;
     }
 
diff --git a/src/indev/lv_indev.c b/src/indev/lv_indev.c
index 338fd376d..4489f09e2 100644
--- a/src/indev/lv_indev.c
+++ b/src/indev/lv_indev.c
@@ -487,6 +487,12 @@ lv_timer_t * lv_indev_get_read_timer(lv_indev_t * indev)
     return indev->read_timer;
 }
 
+lv_indev_mode_t lv_indev_get_mode(lv_indev_t * indev)
+{
+    if(indev) return indev->mode;
+    return LV_INDEV_MODE_NONE;
+}
+
 void lv_indev_set_mode(lv_indev_t * indev, lv_indev_mode_t mode)
 {
     if(!indev || indev->mode == mode)
diff --git a/src/indev/lv_indev.h b/src/indev/lv_indev.h
index 0fb563aa2..62e44b8ea 100644
--- a/src/indev/lv_indev.h
+++ b/src/indev/lv_indev.h
@@ -42,8 +42,9 @@ typedef enum {
 } lv_indev_state_t;
 
 typedef enum {
-    LV_INDEV_MODE_TIMER = 0,
-    LV_INDEV_MODE_EVENT = 1
+    LV_INDEV_MODE_NONE = 0,
+    LV_INDEV_MODE_TIMER,
+    LV_INDEV_MODE_EVENT,
 } lv_indev_mode_t;
 
 /** Data structure passed to an input driver to fill*/
@@ -247,6 +248,13 @@ lv_timer_t * lv_indev_get_read_timer(lv_indev_t * indev);
 */
 void lv_indev_set_mode(lv_indev_t * indev, lv_indev_mode_t mode);
 
+/**
+ * Get the input device's running mode.
+ * @param indev pointer to an input device
+ * @return the running mode for the specified input device.
+ */
+lv_indev_mode_t lv_indev_get_mode(lv_indev_t * indev);
+
 /**
  * Search the most top, clickable object by a point
  * @param obj pointer to a start object, typically the screen