diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78870dd..bd2b3b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,46 +5,25 @@ set(LVGL_INCLUDE_DIRS . lvgl_tft)
 list(APPEND SOURCES "lvgl_tft/disp_driver.c")
 list(APPEND SOURCES "lvgl_tft/esp_lcd_backlight.c")
 
-# Include only the source file of the selected
-# display controller.
-if(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341)
+# Build all display drivers
     list(APPEND SOURCES "lvgl_tft/ili9341.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481)
     list(APPEND SOURCES "lvgl_tft/ili9481.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9486)
     list(APPEND SOURCES "lvgl_tft/ili9486.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488)
     list(APPEND SOURCES "lvgl_tft/ili9488.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789)
     list(APPEND SOURCES "lvgl_tft/st7789.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S)
     list(APPEND SOURCES "lvgl_tft/st7735s.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7796S)
     list(APPEND SOURCES "lvgl_tft/st7796s.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357)
     list(APPEND SOURCES "lvgl_tft/hx8357.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107)
     list(APPEND SOURCES "lvgl_tft/sh1107.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_SSD1306)
     list(APPEND SOURCES "lvgl_tft/ssd1306.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
     list(APPEND SOURCES "lvgl_tft/EVE_commands.c")
     list(APPEND SOURCES "lvgl_tft/FT81x.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_IL3820)
     list(APPEND SOURCES "lvgl_tft/il3820.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_JD79653A)
     list(APPEND SOURCES "lvgl_tft/jd79653a.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_UC8151D)
     list(APPEND SOURCES "lvgl_tft/uc8151d.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875)
     list(APPEND SOURCES "lvgl_tft/ra8875.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_GC9A01)
     list(APPEND SOURCES "lvgl_tft/GC9A01.c")
-elseif(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C)
     list(APPEND SOURCES "lvgl_tft/ili9163c.c")
-else()
-    message(WARNING "LVGL ESP32 drivers: Display controller not defined.")
-endif()
 
 if(CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI)
     list(APPEND SOURCES "lvgl_tft/disp_spi.c")
diff --git a/lvgl_tft/EVE_config.h b/lvgl_tft/EVE_config.h
index 386edb9..a15e746 100644
--- a/lvgl_tft/EVE_config.h
+++ b/lvgl_tft/EVE_config.h
@@ -208,6 +208,8 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR TH
 #define EVE_SUNFLOWER
 #elif defined(CONFIG_LV_FT81X_CONFIG_EVE_CONNECTEVE)
 #define EVE_CONNECTEVE
+#else
+#define EVE_EVE2_35 // Define something if there is no Kconfig option selected
 #endif
 
 /* display timing parameters below */
diff --git a/lvgl_tft/GC9A01.c b/lvgl_tft/GC9A01.c
index c807233..bb6741b 100644
--- a/lvgl_tft/GC9A01.c
+++ b/lvgl_tft/GC9A01.c
@@ -220,7 +220,7 @@ static void GC9A01_send_color(void * data, uint16_t length)
 
 static void GC9A01_set_orientation(uint8_t orientation)
 {
-    // ESP_ASSERT(orientation < 4);
+    assert(orientation < 4);
 
     const char *orientation_str[] = {
         "PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"
@@ -229,14 +229,14 @@ static void GC9A01_set_orientation(uint8_t orientation)
     ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
 
 #if defined CONFIG_LV_PREDEFINED_DISPLAY_M5STACK
-    uint8_t data[] = {0x68, 0x68, 0x08, 0x08};  ///
+    const uint8_t data[] = {0x68, 0x68, 0x08, 0x08};
 #elif defined (CONFIG_LV_PREDEFINED_DISPLAY_WROVER4)
-    uint8_t data[] = {0x4C, 0x88, 0x28, 0xE8}; ///
-#elif defined (CONFIG_LV_PREDEFINED_DISPLAY_NONE)
-    uint8_t data[] = {0x08, 0xC8, 0x68, 0xA8}; ///ggggg
+    const uint8_t data[] = {0x4C, 0x88, 0x28, 0xE8};
+#else
+    const uint8_t data[] = {0x08, 0xC8, 0x68, 0xA8};
 #endif
 
-    ESP_LOGI(TAG, "0x36 command value: 0x%02X", data[orientation]);
+    ESP_LOGD(TAG, "0x36 command value: 0x%02X", data[orientation]);
 
     GC9A01_send_cmd(0x36);
     GC9A01_send_data((void *) &data[orientation], 1);
diff --git a/lvgl_tft/il3820.c b/lvgl_tft/il3820.c
index 1ce0b39..4fe8e82 100644
--- a/lvgl_tft/il3820.c
+++ b/lvgl_tft/il3820.c
@@ -180,7 +180,9 @@ void il3820_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t* buf,
         BIT_CLEAR(buf[byte_index], 7 - bit_index);
     }
 #else
-#error "Unsupported orientation used"
+    (void)byte_index;
+    (void)bit_index;
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
 #endif
 }
 
diff --git a/lvgl_tft/ili9341.c b/lvgl_tft/ili9341.c
index e91680f..00c0a42 100644
--- a/lvgl_tft/ili9341.c
+++ b/lvgl_tft/ili9341.c
@@ -186,7 +186,7 @@ static void ili9341_send_color(void * data, uint16_t length)
 
 static void ili9341_set_orientation(uint8_t orientation)
 {
-    // ESP_ASSERT(orientation < 4);
+    assert(orientation < 4);
 
     const char *orientation_str[] = {
         "PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"
@@ -195,16 +195,16 @@ static void ili9341_set_orientation(uint8_t orientation)
     ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
 
 #if defined CONFIG_LV_PREDEFINED_DISPLAY_M5STACK
-    uint8_t data[] = {0x68, 0x68, 0x08, 0x08};
+    const uint8_t data[] = {0x68, 0x68, 0x08, 0x08};
 #elif defined (CONFIG_LV_PREDEFINED_DISPLAY_M5CORE2)
-	uint8_t data[] = {0x08, 0x88, 0x28, 0xE8};
+	const uint8_t data[] = {0x08, 0x88, 0x28, 0xE8};
 #elif defined (CONFIG_LV_PREDEFINED_DISPLAY_WROVER4)
-    uint8_t data[] = {0x6C, 0xEC, 0xCC, 0x4C};
-#elif defined (CONFIG_LV_PREDEFINED_DISPLAY_NONE)
-    uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
+    const uint8_t data[] = {0x6C, 0xEC, 0xCC, 0x4C};
+#else
+    const uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
 #endif
 
-    ESP_LOGI(TAG, "0x36 command value: 0x%02X", data[orientation]);
+    ESP_LOGD(TAG, "0x36 command value: 0x%02X", data[orientation]);
 
     ili9341_send_cmd(0x36);
     ili9341_send_data((void *) &data[orientation], 1);
diff --git a/lvgl_tft/ili9486.c b/lvgl_tft/ili9486.c
index 829f0bd..e96b607 100644
--- a/lvgl_tft/ili9486.c
+++ b/lvgl_tft/ili9486.c
@@ -165,7 +165,7 @@ static void ili9486_send_color(void * data, uint16_t length)
 
 static void ili9486_set_orientation(uint8_t orientation)
 {
-    // ESP_ASSERT(orientation < 4);
+    assert(orientation < 4);
 
     const char *orientation_str[] = {
         "PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"
@@ -173,11 +173,9 @@ static void ili9486_set_orientation(uint8_t orientation)
 
     ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
 
-#if defined (CONFIG_LV_PREDEFINED_DISPLAY_NONE)
-    uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
-#endif
+    const uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
 
-    ESP_LOGI(TAG, "0x36 command value: 0x%02X", data[orientation]);
+    ESP_LOGD(TAG, "0x36 command value: 0x%02X", data[orientation]);
 
     ili9486_send_cmd(0x36);
     ili9486_send_data((void *) &data[orientation], 1);
diff --git a/lvgl_tft/ili9488.c b/lvgl_tft/ili9488.c
index feb9fba..482f114 100644
--- a/lvgl_tft/ili9488.c
+++ b/lvgl_tft/ili9488.c
@@ -194,7 +194,7 @@ static void ili9488_send_color(void * data, uint16_t length)
 
 static void ili9488_set_orientation(uint8_t orientation)
 {
-    // ESP_ASSERT(orientation < 4);
+    assert(orientation < 4);
 
     const char *orientation_str[] = {
         "PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"
@@ -202,11 +202,9 @@ static void ili9488_set_orientation(uint8_t orientation)
 
     ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
 
-#if defined (CONFIG_LV_PREDEFINED_DISPLAY_NONE)
-    uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
-#endif
+    const uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
 
-    ESP_LOGI(TAG, "0x36 command value: 0x%02X", data[orientation]);
+    ESP_LOGD(TAG, "0x36 command value: 0x%02X", data[orientation]);
 
     ili9488_send_cmd(0x36);
     ili9488_send_data((void *) &data[orientation], 1);
diff --git a/lvgl_tft/jd79653a.c b/lvgl_tft/jd79653a.c
index 0f4be67..e29d934 100644
--- a/lvgl_tft/jd79653a.c
+++ b/lvgl_tft/jd79653a.c
@@ -123,10 +123,9 @@ static const uint8_t lut_bb1[] = {
 static const jd79653a_seq_t init_seq[] = {
 #if defined (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
         {0x00, {0xd3, 0x0e},       2},                 // Panel settings
-#elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
-        {0x00, {0xdf, 0x0e}, 2},                 // Panel settings
+//#elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
 #else
-#error "Unsupported orientation - only portrait modes are supported for now"
+        {0x00, {0xdf, 0x0e}, 2},                 // Panel settings
 #endif
         {0x4d, {0x55}, 1},                             // Undocumented secret from demo code
         {0xaa, {0x0f}, 1},                             // Undocumented secret from demo code
@@ -249,7 +248,8 @@ static void jd79653a_partial_in()
 #elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
     uint8_t pst_use_reg_lut[] = { 0xff, 0x0e };
 #else
-#error "Unsupported orientation - only portrait modes are supported for now"
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
+    uint8_t pst_use_reg_lut[] = { 0,0 };
 #endif
     jd79653a_spi_send_cmd(0x00);
     jd79653a_spi_send_data(pst_use_reg_lut, sizeof(pst_use_reg_lut));
@@ -276,7 +276,8 @@ static void jd79653a_partial_out()
 #elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
     uint8_t pst_use_otp_lut[] = { 0xdf, 0x0e };
 #else
-#error "Unsupported orientation - only portrait modes are supported for now"
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
+    uint8_t pst_use_otp_lut[] = { 0,0 };
 #endif
     jd79653a_spi_send_cmd(0x00);
     jd79653a_spi_send_data(pst_use_otp_lut, sizeof(pst_use_otp_lut));
diff --git a/lvgl_tft/ra8875.c b/lvgl_tft/ra8875.c
index b4f8e2a..dd37605 100644
--- a/lvgl_tft/ra8875.c
+++ b/lvgl_tft/ra8875.c
@@ -16,7 +16,6 @@
 /*********************
  *      DEFINES
  *********************/
-#define DEBUG false
 #define TAG "RA8875"
 
 #define DIV_ROUND_UP(n, d) (((n)+(d)-1)/(d))
@@ -43,6 +42,24 @@
 #define VDIR_MASK (1 << 2)
 #define HDIR_MASK (1 << 3)
 
+#ifndef CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875
+    // Use this settings if there is no Kconfig settings defined
+    #define DPCR_VAL (0x00)
+    #define PCSR_VAL (0x00)
+    #define HNDR_VAL (0x00)
+    #define HNDFTR_VAL (0x00)
+    #define HSTR_VAL (0x00)
+    #define HPW (0x00)
+    #define HPWR_VAL (0x00)
+    #define VNDR_VAL (0x00)
+    #define VSTR_VAL (0x00)
+    #define VPW      (0x00)
+    #define VPWR_VAL (0x00)
+    #define CONFIG_LV_DISP_RA8875_PLLDIVM (0x00)
+    #define CONFIG_LV_DISP_RA8875_PLLDIVN (0x00)
+    #define CONFIG_LV_DISP_RA8875_PLLDIVK (0x00)
+
+#else
 #if ( CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED || CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED )
     #if CONFIG_LV_INVERT_DISPLAY
         #define DPCR_VAL (VDIR_MASK)
@@ -92,6 +109,7 @@
 #else
     #define VPWR_VAL (VPW)
 #endif
+#endif // CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875
 
 /**********************
  *      TYPEDEFS
@@ -119,6 +137,9 @@ static void ra8875_send_buffer(uint8_t * data, size_t length, bool signal_flush)
 
 void ra8875_init(void)
 {
+#ifndef CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875
+    assert(false); // This driver is not properly configured
+#endif
     unsigned int i = 0;
 
     struct {
@@ -205,18 +226,14 @@ void ra8875_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
     size_t linelen = (area->x2 - area->x1 + 1);
     uint8_t * buffer = (uint8_t*)color_map;
 
-#if DEBUG
-    ESP_LOGI(TAG, "flush: %d,%d at %d,%d", area->x1, area->x2, area->y1, area->y2 );
-#endif
+    ESP_LOGD(TAG, "flush: %d,%d at %d,%d", area->x1, area->x2, area->y1, area->y2 );
 
     // Get lock
     disp_spi_acquire();
 
     // Set window if needed
     if ((x1 != area->x1) || (x2 != area->x2)) {
-#if DEBUG
-        ESP_LOGI(TAG, "flush: set window (x1,x2): %d,%d -> %d,%d", x1, x2, area->x1, area->x2);
-#endif
+        ESP_LOGD(TAG, "flush: set window (x1,x2): %d,%d -> %d,%d", x1, x2, area->x1, area->x2);
         ra8875_set_window(area->x1, area->x2, 0, LV_VER_RES_MAX-1);
         x1 = area->x1;
         x2 = area->x2;
@@ -224,9 +241,7 @@ void ra8875_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
 
     // Set cursor if needed
     if ((x != area->x1) || (y != area->y1)) {
-#if DEBUG
-        ESP_LOGI(TAG, "flush: set cursor (x,y): %d,%d -> %d,%d", x, y, area->x1, area->y1);
-#endif
+        ESP_LOGD(TAG, "flush: set cursor (x,y): %d,%d -> %d,%d", x, y, area->x1, area->y1);
         ra8875_set_memory_write_cursor(area->x1, area->y1);
         x = area->x1;
     }
diff --git a/lvgl_tft/ssd1306.c b/lvgl_tft/ssd1306.c
index 5953d44..d282a7f 100644
--- a/lvgl_tft/ssd1306.c
+++ b/lvgl_tft/ssd1306.c
@@ -106,7 +106,7 @@ void ssd1306_init(void)
     orientation_1 = 0xA0;
     orientation_2 = OLED_CMD_SET_COM_SCAN_MODE_NORMAL;
 #else
-    #error "Unsupported orientation"
+    assert(false); // Invalid configuration of SSD1306 driver
 #endif
 
     uint8_t display_mode = 0;
diff --git a/lvgl_tft/st7735s.c b/lvgl_tft/st7735s.c
index 8be725b..aedf386 100644
--- a/lvgl_tft/st7735s.c
+++ b/lvgl_tft/st7735s.c
@@ -41,10 +41,13 @@ static void st7735s_send_cmd(uint8_t cmd);
 static void st7735s_send_data(void * data, uint16_t length);
 static void st7735s_send_color(void * data, uint16_t length);
 static void st7735s_set_orientation(uint8_t orientation);
+
+#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
 static void axp192_write_byte(uint8_t addr, uint8_t data);
 static void axp192_init();
 static void axp192_sleep_in();
 static void axp192_sleep_out();
+#endif
 
 /**********************
  *  STATIC VARIABLES
@@ -225,33 +228,33 @@ static void st7735s_set_orientation(uint8_t orientation)
 
 #ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
 
-    static void axp192_write_byte(uint8_t addr, uint8_t data)
-    {
-        err = lvgl_i2c_write(CONFIG_LV_I2C_DISPLAY_PORT, AXP192_I2C_ADDRESS, addr, &data, 1);
-        if (ret != ESP_OK) {
-            ESP_LOGE(TAG, "AXP192 send failed. code: 0x%.2X", ret);
-        }
+static void axp192_write_byte(uint8_t addr, uint8_t data)
+{
+    err = lvgl_i2c_write(CONFIG_LV_I2C_DISPLAY_PORT, AXP192_I2C_ADDRESS, addr, &data, 1);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "AXP192 send failed. code: 0x%.2X", ret);
     }
+}
 
-    static void axp192_init()
-    {
-        // information on how to init and use AXP192 ifor M5StickC taken from
-        // 	https://forum.m5stack.com/topic/1025/m5stickc-turn-off-screen-completely
+static void axp192_init()
+{
+    // information on how to init and use AXP192 ifor M5StickC taken from
+    // 	https://forum.m5stack.com/topic/1025/m5stickc-turn-off-screen-completely
 
-        axp192_write_byte(0x10, 0xFF);			// OLED_VPP Enable
-        axp192_write_byte(0x28, 0xCC);			// Enable LDO2&LDO3, LED&TFT 3.0V
-        axp192_sleep_out();
-        ESP_LOGI(TAG, "AXP192 initialized, power enabled for LDO2 and LDO3");
-    }
+    axp192_write_byte(0x10, 0xFF);			// OLED_VPP Enable
+    axp192_write_byte(0x28, 0xCC);			// Enable LDO2&LDO3, LED&TFT 3.0V
+    axp192_sleep_out();
+    ESP_LOGI(TAG, "AXP192 initialized, power enabled for LDO2 and LDO3");
+}
 
-    static void axp192_sleep_in()
-    {
-        axp192_write_byte(0x12, 0x4b);
-    }
+static void axp192_sleep_in()
+{
+    axp192_write_byte(0x12, 0x4b);
+}
 
-    static void axp192_sleep_out()
-    {
-        axp192_write_byte(0x12, 0x4d);
-    }
+static void axp192_sleep_out()
+{
+    axp192_write_byte(0x12, 0x4d);
+}
 
 #endif
diff --git a/lvgl_tft/st7796s.c b/lvgl_tft/st7796s.c
index 7de92ef..48a767c 100644
--- a/lvgl_tft/st7796s.c
+++ b/lvgl_tft/st7796s.c
@@ -189,7 +189,7 @@ static void st7796s_send_color(void *data, uint16_t length)
 
 static void st7796s_set_orientation(uint8_t orientation)
 {
-	// ESP_ASSERT(orientation < 4);
+	assert(orientation < 4);
 
 	const char *orientation_str[] = {
 		"PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"};
@@ -197,16 +197,16 @@ static void st7796s_set_orientation(uint8_t orientation)
 	ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
 
 #if defined CONFIG_LV_PREDEFINED_DISPLAY_M5STACK
-	uint8_t data[] = {0x68, 0x68, 0x08, 0x08};
+	const uint8_t data[] = {0x68, 0x68, 0x08, 0x08};
 #elif defined(CONFIG_LV_PREDEFINED_DISPLAY_WROVER4)
-	uint8_t data[] = {0x4C, 0x88, 0x28, 0xE8};
+	const uint8_t data[] = {0x4C, 0x88, 0x28, 0xE8};
 #elif defined(CONFIG_LV_PREDEFINED_DISPLAY_WT32_SC01)
-	uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
-#elif defined(CONFIG_LV_PREDEFINED_DISPLAY_NONE)
-	uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
+	const uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
+#else
+	const uint8_t data[] = {0x48, 0x88, 0x28, 0xE8};
 #endif
 
-	ESP_LOGI(TAG, "0x36 command value: 0x%02X", data[orientation]);
+	ESP_LOGD(TAG, "0x36 command value: 0x%02X", data[orientation]);
 
 	st7796s_send_cmd(0x36);
 	st7796s_send_data((void *)&data[orientation], 1);