From 0b8d488867df1038abd9fa0ddf657632cf24111f Mon Sep 17 00:00:00 2001
From: C47D <carlos.santiago.diaz@gmail.com>
Date: Wed, 13 Oct 2021 22:47:12 -0500
Subject: [PATCH] Check for CONFIG_LV_DISP_PIN_BCKL before using it

---
 lvgl_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lvgl_helpers.c b/lvgl_helpers.c
index 8f927bf..8802a2c 100644
--- a/lvgl_helpers.c
+++ b/lvgl_helpers.c
@@ -153,7 +153,7 @@ void display_bsp_init_io(void)
     ESP_ERROR_CHECK(err);
 #endif
 
-#ifndef CONFIG_LV_DISP_BACKLIGHT_OFF
+#ifndef (CONFIG_LV_DISP_BACKLIGHT_OFF) && defined(CONFIG_LV_DISP_PIN_BCKL)
     io_conf.mode = GPIO_MODE_OUTPUT;
     io_conf.pin_bit_mask = (1ULL << CONFIG_LV_DISP_PIN_BCKL);
     err = gpio_config(&io_conf);