diff --git a/src/esp32_smartdisplay.c b/src/esp32_smartdisplay.c
index cdc3e59..506c3bd 100644
--- a/src/esp32_smartdisplay.c
+++ b/src/esp32_smartdisplay.c
@@ -112,7 +112,7 @@ void smartdisplay_lcd_set_backlight(float duty)
   if (duty < 0.0)
     duty = 0.0f;
 #if ESP_ARDUINO_VERSION_MAJOR >= 3
-  ledcWrite(BCKL, duty * PWM_MAX_BCKL);
+  ledcWrite(GPIO_BCKL, duty * PWM_MAX_BCKL);
 #else
   ledcWrite(PWM_CHANNEL_BCKL, duty * PWM_MAX_BCKL);
 #endif
@@ -235,14 +235,14 @@ void smartdisplay_init()
 
   lv_init();
   // Setup backlight
-  pinMode(BCKL, OUTPUT);
+  pinMode(GPIO_BCKL, OUTPUT);
+  digitalWrite(GPIO_BCKL, LOW);
 #if ESP_ARDUINO_VERSION_MAJOR >= 3
-  ledcAttach(BCKL, PWM_FREQ_BCKL, PWM_BITS_BCKL);
+  ledcAttach(GPIO_BCKL, PWM_FREQ_BCKL, PWM_BITS_BCKL);
 #else
   ledcSetup(PWM_CHANNEL_BCKL, PWM_FREQ_BCKL, PWM_BITS_BCKL);
-  ledcAttachPin(BCKL, PWM_CHANNEL_BCKL);
+  ledcAttachPin(GPIO_BCKL, PWM_CHANNEL_BCKL);
 #endif
-  digitalWrite(BCKL, LOW);
   // Setup TFT display
   lv_disp_drv_init(&disp_drv);
   disp_drv.hor_res = LCD_WIDTH;
diff --git a/src/lvgl_gc9a01_spi.c b/src/lvgl_gc9a01_spi.c
index 1dc7823..6fb21ea 100644
--- a/src/lvgl_gc9a01_spi.c
+++ b/src/lvgl_gc9a01_spi.c
@@ -38,7 +38,7 @@ void lvgl_lcd_init(lv_disp_drv_t *drv)
     // Create SPI bus
     const spi_bus_config_t spi_bus_config = {
         .mosi_io_num = GC9A01_SPI_BUS_MOSI_IO_NUM,
-        .mosi_io_num = GC9A01_SPI_BUS_MISO_IO_NUM,
+        .miso_io_num = GC9A01_SPI_BUS_MISO_IO_NUM,
         .sclk_io_num = GC9A01_SPI_BUS_SCLK_IO_NUM,
         .quadwp_io_num = GC9A01_SPI_BUS_QUADWP_IO_NUM,
         .quadhd_io_num = GC9A01_SPI_BUS_QUADHD_IO_NUM,
diff --git a/src/lvgl_st7789_i80.c b/src/lvgl_st7789_i80.c
index 77f50ea..b6b052c 100644
--- a/src/lvgl_st7789_i80.c
+++ b/src/lvgl_st7789_i80.c
@@ -1,7 +1,5 @@
 #ifdef LCD_ST7789_I80
 
-#warning Still under development. Will most probably NOT function!
-
 #include <esp32_smartdisplay.h>
 #include <esp_lcd_panel_io.h>
 #include <esp_lcd_panel_vendor.h>
@@ -96,8 +94,12 @@ void lvgl_lcd_init(lv_disp_drv_t *drv)
 
     ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));
     ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));
-    // IPS
+
+#ifdef LCD_IPS
+    // If LCD is IPS invert the colors
     ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel_handle, true));
+#endif
+
     drv->user_data = panel_handle;
     drv->flush_cb = st7789_lv_flush;
 }