From d63ce8ee33c1c8f5e2dd4963c75c1aa112b1c825 Mon Sep 17 00:00:00 2001
From: DanyLE <xsang.le@gmail.com>
Date: Sun, 9 Jul 2023 18:28:04 +0200
Subject: [PATCH] fix lcd backlight problem

---
 conf/layer.conf                       | 9 ++++-----
 recipes-diya/diya-overlay/files/confd | 5 +++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/conf/layer.conf b/conf/layer.conf
index eb141fb..1ff368c 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -2,8 +2,8 @@
 BBPATH .= ":${LAYERDIR}"
 
 # We have recipes-* directories, add to BBFILES
-BBFILES += " ${LAYERDIR}/recipes-*/*/*.bb \
-            ${LAYERDIR}/recipes-*/*/*.bbappend "
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "meta-rpi-diya"
 BBFILE_PATTERN_meta-rpi-diya = "^${LAYERDIR}/"
@@ -43,7 +43,7 @@ ENABLE_SPI_BUS = "0"
 ENABLE_I2C = "0"
 # KERNEL_MODULE_AUTOLOAD:rpi += " i2c-dev "
 
-VC4DTBO = "vc4-kms-v3d,nocomposite,noaudio"
+VC4DTBO = "vc4-kms-v3d,noaudio"
 
 KERNEL_DEVICETREE:append = " overlays/vc4-kms-dpi-generic.dtbo overlays/dpi24.dtbo "
 
@@ -56,12 +56,11 @@ dtoverlay=waveshare-28dpi-4b \n']['${RPI_USE_wS_28_DPI_LCD}' == '1']}"
 
 RPI_EXTRA_CONFIG += '\n\
 #start_x=1             # essential \n\
-#dtparam=audio=on \n\
 #gpu_mem=128           # at least, or maybe more if you wish \n\
 #disable_camera_led=1  # optional \n\
 '
 
 # extra kernel CMDLINE_RNDIS option
-# CMDLINE_RNDIS += ""
+CMDLINE_RNDIS += " video=DPI-1:480x640,rotate=90 "
 # accept license for wifi and bluetooth firmware
 LICENSE_FLAGS_ACCEPTED = "synaptics-killswitch"
\ No newline at end of file
diff --git a/recipes-diya/diya-overlay/files/confd b/recipes-diya/diya-overlay/files/confd
index 7d8499e..145ffaa 100644
--- a/recipes-diya/diya-overlay/files/confd
+++ b/recipes-diya/diya-overlay/files/confd
@@ -6,8 +6,9 @@ DESC="Auto deployment configuration from media"
 case "$1" in
     start)
         echo -n "Start $DESC: "
-        dmesg | tee /boot/kern.log
-        lsmod | tee /boot/lsmod.txt
+        # for some reason the LCD backlight is turned off
+        # need to turn it on manually
+        echo  0 > /sys/class/backlight/backlight/bl_power
         if [ -f "/boot/fs_resize" ]; then
             /usr/bin/expandfs.sh
             touch /boot/home_partition_should_be_formated