modules: lvgl: Remove LV_COLOR_16_SWAP Kconfig option

faxe1008 · faxe1008 · commit 70464ba70c1a · 2026-05-05T13:26:07.000+02:00
Remove usage of LV_COLOR_16_SWAP everywhere. Display drivers support a
dedicated RGB_565X format for byte swapping no need to have this additional
option.

Signed-off-by: Fabian Blatz &lt;fabianblatz@gmail.com&gt;
diff --git a/boards/adafruit/feather_esp32s2/Kconfig.defconfig b/boards/adafruit/feather_esp32s2/Kconfig.defconfig
@@ -11,9 +11,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adafruit/feather_esp32s3_tft/Kconfig.defconfig b/boards/adafruit/feather_esp32s3_tft/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adafruit/feather_esp32s3_tft_reverse/Kconfig.defconfig b/boards/adafruit/feather_esp32s3_tft_reverse/Kconfig.defconfig
@@ -15,9 +15,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adi/max32662evkit/Kconfig.defconfig b/boards/adi/max32662evkit/Kconfig.defconfig
@@ -16,9 +16,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16  # 16 bit per pixel
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adi/max32672evkit/Kconfig.defconfig b/boards/adi/max32672evkit/Kconfig.defconfig
@@ -16,9 +16,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16  # 16 bit per pixel
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adi/max32680evkit/Kconfig.defconfig b/boards/adi/max32680evkit/Kconfig.defconfig
@@ -16,9 +16,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16  # 16 bit per pixel
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/adi/max32690evkit/Kconfig.defconfig b/boards/adi/max32690evkit/Kconfig.defconfig
@@ -16,9 +16,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16  # 16 bit per pixel
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/alientek/dnesp32s3b/Kconfig.defconfig b/boards/alientek/dnesp32s3b/Kconfig.defconfig
@@ -15,9 +15,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/espressif/esp32s3_eye/Kconfig.defconfig b/boards/espressif/esp32s3_eye/Kconfig.defconfig
diff --git a/boards/ezurio/bl5340_dvk/Kconfig.defconfig b/boards/ezurio/bl5340_dvk/Kconfig.defconfig
@@ -81,9 +81,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config INPUT
 	default y
 
diff --git a/boards/lilygo/twatch_s3/Kconfig.defconfig b/boards/lilygo/twatch_s3/Kconfig.defconfig
diff --git a/boards/m5stack/m5stack_atoms3/Kconfig.defconfig b/boards/m5stack/m5stack_atoms3/Kconfig.defconfig
diff --git a/boards/m5stack/m5stack_core2/Kconfig.defconfig b/boards/m5stack/m5stack_core2/Kconfig.defconfig
@@ -26,9 +26,6 @@ config REGULATOR_FIXED_INIT_PRIORITY
 config INPUT
 	default y
 
-configdefault LV_COLOR_16_SWAP
-	default y if LVGL
-
 # Increase initialization priority of MIPI DBI device, so that it initializes
 # after the GPIO controller
 if MIPI_DBI
diff --git a/boards/m5stack/m5stack_cores3/Kconfig.defconfig b/boards/m5stack/m5stack_cores3/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 # Takes good care of initialization priorities
diff --git a/boards/m5stack/m5stack_fire/Kconfig.defconfig b/boards/m5stack/m5stack_fire/Kconfig.defconfig
@@ -14,9 +14,6 @@ config GPIO_HOGS_INIT_PRIORITY
 config INPUT
 	default y
 
-configdefault LV_COLOR_16_SWAP
-	default y if LVGL
-
 # Increase initialization priority of MIPI DBI device, so that it initializes
 # after the GPIO controller
 if MIPI_DBI
diff --git a/boards/seeed/wio_terminal/Kconfig.defconfig b/boards/seeed/wio_terminal/Kconfig.defconfig
diff --git a/boards/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig b/boards/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config INPUT
 	default y
 
diff --git a/boards/shields/g1120b0mipi/boards/mimxrt595_evk_mimxrt595s_cm33.conf b/boards/shields/g1120b0mipi/boards/mimxrt595_evk_mimxrt595s_cm33.conf
@@ -1,4 +1,3 @@
 # Enable DMA, so that DSI MCUX will use SMARTDMA
 CONFIG_DMA=y
 CONFIG_MIPI_DSI_MCUX_2L_SWAP16=y
-CONFIG_LV_COLOR_16_SWAP=n
diff --git a/boards/shields/g1120b0mipi/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf b/boards/shields/g1120b0mipi/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf
@@ -1,4 +1,3 @@
 CONFIG_REGULATOR=y
 CONFIG_DCACHE=n
 CONFIG_MIPI_DSI_MCUX_2L_SWAP16=y
-CONFIG_LV_COLOR_16_SWAP=n
diff --git a/boards/shields/m5stack_cardputer/Kconfig.defconfig b/boards/shields/m5stack_cardputer/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/shields/seeed_xiao_round_display/Kconfig.defconfig b/boards/shields/seeed_xiao_round_display/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 endif # DISPLAY
 
diff --git a/boards/shields/st7789v_generic/Kconfig.defconfig b/boards/shields/st7789v_generic/Kconfig.defconfig
@@ -15,9 +15,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16 if SHIELD_ST7789V_WAVESHARE_240X240
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y if SHIELD_ST7789V_WAVESHARE_240X240
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/shields/waveshare_pico_lcd_1_14/Kconfig.defconfig b/boards/shields/waveshare_pico_lcd_1_14/Kconfig.defconfig
@@ -14,9 +14,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/shields/zc143ac72mipi/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf b/boards/shields/zc143ac72mipi/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf
@@ -1,4 +1,3 @@
 CONFIG_REGULATOR=y
 CONFIG_DCACHE=n
 CONFIG_MIPI_DSI_MCUX_2L_SWAP16=y
-CONFIG_LV_COLOR_16_SWAP=n
diff --git a/boards/viewe/uedx24240013_md50e/Kconfig.defconfig b/boards/viewe/uedx24240013_md50e/Kconfig.defconfig
@@ -10,9 +10,6 @@ if DISPLAY
 
 if LVGL
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config LV_Z_VDB_SIZE
 	default 20
 
diff --git a/boards/viewe/uedx24320028e_wb_a/Kconfig.defconfig b/boards/viewe/uedx24320028e_wb_a/Kconfig.defconfig
@@ -14,9 +14,6 @@ if DISPLAY
 
 if LVGL
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config LV_Z_VDB_SIZE
 	default 100
 
diff --git a/boards/viewe/uedx32480035e_wb_a/Kconfig.defconfig b/boards/viewe/uedx32480035e_wb_a/Kconfig.defconfig
@@ -15,9 +15,6 @@ if DISPLAY
 
 if LVGL
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config LV_Z_VDB_SIZE
 	default 100
 
diff --git a/boards/waveshare/esp32s3_geek/Kconfig.defconfig b/boards/waveshare/esp32s3_geek/Kconfig.defconfig
@@ -11,9 +11,6 @@ choice LV_COLOR_DEPTH
 	default LV_COLOR_DEPTH_16
 endchoice
 
-config LV_COLOR_16_SWAP
-	default y
-
 endif # LVGL
 
 endif # DISPLAY
diff --git a/boards/waveshare/esp32s3_touch_lcd_1_28/Kconfig.defconfig b/boards/waveshare/esp32s3_touch_lcd_1_28/Kconfig.defconfig
@@ -9,7 +9,4 @@ config KERNEL_MEM_POOL
 config PWM
 	default y if DISPLAY
 
-configdefault LV_COLOR_16_SWAP
-	default y if LVGL
-
 endif # BOARD_ESP32S3_TOUCH_LCD_1_28_ESP32S3_PROCPU
diff --git a/boards/weact/mini_stm32h743/Kconfig.defconfig b/boards/weact/mini_stm32h743/Kconfig.defconfig
@@ -12,9 +12,6 @@ config INPUT
 
 if LVGL
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config LV_Z_BITS_PER_PIXEL
 	default 16
 
diff --git a/boards/weact/mini_stm32h743/mini_stm32h743.dts b/boards/weact/mini_stm32h743/mini_stm32h743.dts
@@ -70,7 +70,7 @@
 			gamctrp1 = [02 1c 07 12 37 32 29 2d 29 25 2b 39 00 01 03 10];
 			gamctrn1 = [03 1d 07 06 2e 2c 29 2d 2e 2e 37 3f 00 00 02 10];
 			colmod = <5>;
-			/* Set D3 (RGB) bit to 1. LV_COLOR_16_SWAP is enabled by default */
+			/* Set D3 (RGB) bit to 1. */
 			madctl = <120>; /* Set to <184> to rotate the image 180 degrees. */
 			caset = [00 01 00 a0];
 			raset = [00 1a 00 69];
diff --git a/boards/weact/mini_stm32h7b0/Kconfig.defconfig b/boards/weact/mini_stm32h7b0/Kconfig.defconfig
@@ -12,9 +12,6 @@ config INPUT
 
 if LVGL
 
-configdefault LV_COLOR_16_SWAP
-	default y
-
 config LV_Z_BITS_PER_PIXEL
 	default 16
 
diff --git a/boards/weact/mini_stm32h7b0/mini_stm32h7b0.dts b/boards/weact/mini_stm32h7b0/mini_stm32h7b0.dts
@@ -70,7 +70,7 @@
 			gamctrp1 = [02 1c 07 12 37 32 29 2d 29 25 2b 39 00 01 03 10];
 			gamctrn1 = [03 1d 07 06 2e 2c 29 2d 2e 2e 37 3f 00 00 02 10];
 			colmod = <5>;
-			/* Set D3 (RGB) bit to 1. LV_COLOR_16_SWAP is enabled by default */
+			/* Set D3 (RGB) bit to 1. */
 			madctl = <120>; /* Set to <184> to rotate the image 180 degrees. */
 			caset = [00 01 00 a0];
 			raset = [00 1a 00 69];
diff --git a/modules/lvgl/Kconfig b/modules/lvgl/Kconfig
@@ -93,10 +93,6 @@ choice LV_COLOR_DEPTH
 		bool "1: monochrome"
 endchoice
 
-config LV_COLOR_16_SWAP
-	bool "Swap the 2 bytes of RGB565 color."
-	depends on LV_COLOR_DEPTH_16
-
 config LV_Z_COLOR_MONO_HW_INVERSION
 	bool "Hardware pixel inversion (disables software pixel inversion)."
 	depends on LV_COLOR_DEPTH_1
diff --git a/modules/lvgl/include/lv_conf.h b/modules/lvgl/include/lv_conf.h
@@ -36,10 +36,6 @@
 /* Provide definition to align LVGL buffers */
 #define LV_ATTRIBUTE_MEM_ALIGN __aligned(CONFIG_LV_ATTRIBUTE_MEM_ALIGN_SIZE)
 
-#ifdef CONFIG_LV_COLOR_16_SWAP
-#define LV_COLOR_16_SWAP 1
-#endif /* CONFIG_LV_COLOR_16_SWAP */
-
 #ifdef CONFIG_LV_Z_USE_OSAL
 #define LV_USE_OS            LV_OS_CUSTOM
 #define LV_OS_CUSTOM_INCLUDE "lvgl_zephyr_osal.h"
diff --git a/tests/lib/gui/lvgl/testcase.yaml b/tests/lib/gui/lvgl/testcase.yaml
@@ -57,7 +57,6 @@ tests:
   libraries.gui.lvgl.16bit.swap:
     extra_configs:
       - CONFIG_LV_COLOR_DEPTH_16=y
-      - CONFIG_LV_COLOR_16_SWAP=y
     platform_allow:
       - native_sim/native/64
       - native_sim
