lvgl: Activate custom tick implementation

Use a custom tick source that tells the elapsed time in milliseconds.
It removes the need to manually update the tick with `lv_tick_inc()`.
This is the behavior which ought to be used for LVGL running on Linux
compared to LVGL running on microcontroller.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/meta-oe/recipes-graphics/lvgl/lvgl_8.3.7.bb b/meta-oe/recipes-graphics/lvgl/lvgl_8.3.7.bb
index a82ab3b749..5f3fc44cfe 100644
--- a/meta-oe/recipes-graphics/lvgl/lvgl_8.3.7.bb
+++ b/meta-oe/recipes-graphics/lvgl/lvgl_8.3.7.bb
@@ -28,6 +28,11 @@ do_configure:prepend() {
     [ -r "${S}/lv_conf.h" ] \
         || sed -e 's|#if 0 .*Set it to "1" to enable .*|#if 1 // Enabled|g' \
             -e "s|\(#define LV_MEM_CUSTOM .*\)0|\1${LVGL_CONFIG_LV_MEM_CUSTOM}|g" \
+            \
+            -e "s|\(#define LV_TICK_CUSTOM \).*|\1 1|g" \
+            -e "s|\(#define LV_TICK_CUSTOM_INCLUDE \).*|\1 <stdint.h>|g" \
+            -e "s|\(#define LV_TICK_CUSTOM_SYS_TIME_EXPR \).*|extern uint32_t custom_tick_get(void);\n\1 (custom_tick_get())|g" \
+            \
             < "${S}/lv_conf_template.h" > "${S}/lv_conf.h"
 }