rootdir/etc/init.qcom.early_boot.sh

#!/system/bin/sh
# Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of The Linux Foundation nor
#       the names of its contributors may be used to endorse or promote
#       products derived from this software without specific prior written
#       permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

export PATH=/system/bin

# Set platform variables
if [ -f /sys/devices/soc0/hw_platform ]; then
    soc_hwplatform=`cat /sys/devices/soc0/hw_platform` 2> /dev/null
else
    soc_hwplatform=`cat /sys/devices/system/soc/soc0/hw_platform` 2> /dev/null
fi
if [ -f /sys/devices/soc0/soc_id ]; then
    soc_hwid=`cat /sys/devices/soc0/soc_id` 2> /dev/null
else
    soc_hwid=`cat /sys/devices/system/soc/soc0/id` 2> /dev/null
fi
if [ -f /sys/devices/soc0/platform_version ]; then
    soc_hwver=`cat /sys/devices/soc0/platform_version` 2> /dev/null
else
    soc_hwver=`cat /sys/devices/system/soc/soc0/platform_version` 2> /dev/null
fi

log -t BOOT -p i "MSM target '$1', SoC '$soc_hwplatform', HwID '$soc_hwid', SoC ver '$soc_hwver'"

case "$1" in
    "msm7630_surf" | "msm7630_1x" | "msm7630_fusion")
        case "$soc_hwplatform" in
            "FFA" | "SVLTE_FFA")
                # linking to surf_keypad_qwerty.kcm.bin instead of surf_keypad_numeric.kcm.bin so that
                # the UI keyboard works fine.
                ln -s  /system/usr/keychars/surf_keypad_qwerty.kcm.bin /system/usr/keychars/surf_keypad.kcm.bin
                ;;
            "Fluid")
                setprop ro.sf.lcd_density 240
                setprop qcom.bt.dev_power_class 2
                ;;
            *)
                ln -s  /system/usr/keychars/surf_keypad_qwerty.kcm.bin /system/usr/keychars/surf_keypad.kcm.bin
                ;;
        esac
        ;;

    "msm8660")
        case "$soc_hwplatform" in
            "Fluid")
                setprop ro.sf.lcd_density 240
                ;;
            "Dragon")
                setprop ro.sound.alsa "WM8903"
                ;;
        esac
        ;;

    "msm8960")
        # lcd density is write-once. Hence the separate switch case
        case "$soc_hwplatform" in
            "Liquid")
                if [ "$soc_hwver" == "196608" ]; then # version 0x30000 is 3D sku
                    setprop ro.sf.hwrotation 90
                fi

                setprop ro.sf.lcd_density 160
                ;;
            "MTP")
                setprop ro.sf.lcd_density 240
                ;;
            *)
                case "$soc_hwid" in
                    "109")
                        setprop ro.sf.lcd_density 160
                        ;;
                    *)
                        setprop ro.sf.lcd_density 240
                        ;;
                esac
            ;;
        esac

        #Set up composition type based on the target
        case "$soc_hwid" in
            87)
                #8960
                setprop debug.composition.type dyn
                ;;
            153|154|155|156|157|138)
                #8064 V2 PRIME | 8930AB | 8630AB | 8230AB | 8030AB | 8960AB
                setprop debug.composition.type c2d
                ;;
            *)
        esac
        ;;

    "msm8974")
        case "$soc_hwplatform" in
            "Liquid")
                setprop ro.sf.lcd_density 160
                # Liquid do not have hardware navigation keys, so enable
                # Android sw navigation bar
                setprop ro.hw.nav_keys 0
                ;;
            "Dragon")
                setprop ro.sf.lcd_density 240
                ;;
            *)
                setprop ro.sf.lcd_density 320
                ;;
        esac
        ;;

    "msm8226")
        case "$soc_hwplatform" in
            *)
                setprop ro.sf.lcd_density 320
                ;;
        esac
        ;;

    "msm8610" | "apq8084" | "mpq8092")
        case "$soc_hwplatform" in
            *)
                setprop ro.sf.lcd_density 240
                ;;
        esac
        ;;
    "apq8084")
        case "$soc_hwplatform" in
            "Liquid")
                setprop ro.sf.lcd_density 320
                # Liquid do not have hardware navigation keys, so enable
                # Android sw navigation bar
                setprop ro.hw.nav_keys 0
                ;;
            "SBC")
                setprop ro.sf.lcd_density 200
                # SBC do not have hardware navigation keys, so enable
                # Android sw navigation bar
                setprop qemu.hw.mainkeys 0
                ;;
            *)
                setprop ro.sf.lcd_density 480
                ;;
        esac
        ;;
esac

# Setup HDMI related nodes & permissions
# HDMI can be fb1 or fb2
# Loop through the sysfs nodes and determine
# the HDMI(dtv panel)
for fb_cnt in 0 1 2
do
file=/sys/class/graphics/fb$fb_cnt
dev_file=/dev/graphics/fb$fb_cnt
  if [ -d "$file" ]
  then
    value=`cat $file/msm_fb_type`
    case "$value" in
            "dtv panel")
        chown -h system.graphics $file/hpd
        chown -h system.system $file/hdcp/tp
        chown -h system.graphics $file/vendor_name
        chown -h system.graphics $file/product_description
        chmod -h 0664 $file/hpd
        chmod -h 0664 $file/hdcp/tp
        chmod -h 0664 $file/vendor_name
        chmod -h 0664 $file/product_description
        chmod -h 0664 $file/video_mode
        chmod -h 0664 $file/format_3d
        # create symbolic link
        ln -s $dev_file /dev/graphics/hdmi
        # Change owner and group for media server and surface flinger
        chown -h system.system $file/format_3d;;
    esac
  fi
done