working

mf86e_diffconfig

@@ -3,6 +3,7 @@ CONFIG_TARGET_msm89xx_msm8916=y
 CONFIG_TARGET_msm89xx_msm8916_DEVICE_generic-mf68e=y
 CONFIG_BUSYBOX_CUSTOM=y
 CONFIG_BUSYBOX_CONFIG_FBSET=y
+CONFIG_BUSYBOX_CONFIG_USLEEP=y
 CONFIG_LIBQMI_COLLECTION_BASIC=y
 CONFIG_LIBQMI_WITH_MBIM_QMUX=y
 CONFIG_LIBQMI_WITH_QRTR_GLIB=y

packages/display-monitor/Makefile

@@ -10,7 +10,7 @@ define Package/display-monitor
   SECTION:=utils
   CATEGORY:=Utilities
   TITLE:=Display backlight monitor with timeout
-  DEPENDS:=+fbtft-gc9107
+  # DEPENDS:=+fbtft-gc9107
   PKGARCH:=all
 endef
 

packages/fbtft-gc9107/files/05_display_logo

@@ -1,17 +1,30 @@
 #!/bin/sh
 
 show_logo() {
-	local i=0
-	while [ ! -c /dev/fb0 ] && [ $i -lt 50 ]; do
-		sleep 1  
-		i=$((i + 1))
-	done
-
-	# [ -c /dev/fb0 ] && echo 0 > /sys/class/backlight/backlight/bl_power
-
-	if [ -c /dev/fb0 ] && [ -f /etc/boot_logo.fb ]; then
-		cat /etc/boot_logo.fb > /dev/fb0 2>/dev/null
-	fi
+	(
+		local BACKLIGHT="/sys/class/backlight/backlight"
+		local i=0
+		
+		while [ ! -c /dev/fb0 ] && [ $i -lt 100 ]; do
+			usleep 100000  # 100ms = 0.1s
+			i=$((i + 1))
+		done
+		
+		if [ -c /dev/fb0 ] && [ -f /etc/boot_logo.fb ]; then
+			cat /etc/boot_logo.fb > /dev/fb0 2>/dev/null
+		fi
+		
+		i=0
+		while [ ! -d "$BACKLIGHT" ] && [ $i -lt 50 ]; do
+			usleep 100000  # 100ms = 0.1s
+			i=$((i + 1))
+		done
+		
+		if [ -d "$BACKLIGHT" ]; then
+			echo 0 > $BACKLIGHT/bl_power 2>/dev/null
+			echo 892 > $BACKLIGHT/brightness 2>/dev/null
+		fi
+	) &
 }
 
 boot_hook_add preinit_main show_logo