[General Questions and Answers] prabhaahar:
noisy mic , and external mic not working.

Hi All,

can any one please help me fixing the mic problem . here i have attached the init.sh file code. the problem is internal mic is very noisy and when i connect external mic it is not working. can any one please edit this init.sh code as reply . thanks in advance.

#

# Copyright (C) 2013-2015 The Android-x86 Open Source Project

# Copyright (C) 2018 Woltrex AOSP Developer AndroTechTeam Co.

# License: GNU Public License v2 or later

#

function set_property()

{

setprop "$1" "$2"

[ -n "$DEBUG" ] && echo "$1"="$2" >> /dev/x86.prop

}

function set_prop_if_empty()

{

[ -z "$(getprop $1)" ] && set_property "$1" "$2"

}

function init_misc()

{

# device information

setprop ro.product.manufacturer "$(cat $DMIPATH/sys_vendor)"

setprop ro.product.model "$PRODUCT"

# a hack for USB modem

lsusb | grep 1a8d:1000 && eject

# in case no cpu governor driver autoloads

[ -d /sys/devices/system/cpu/cpu0/cpufreq ] || modprobe acpi-cpufreq

}

function init_hal_audio()

{

case "$PRODUCT" in

VirtualBox*|Bochs*)

[ -d /proc/asound/card0 ] || modprobe snd-sb16 isapnp=0 irq=5

;;

*)

;;

esac

if grep -qi "IntelHDMI" /proc/asound/card0/id; then

[ -d /proc/asound/card1 ] || set_property ro.hardware.audio.primary hdmi

fi

}

function init_hal_wifi()

{

# BCM WiFi driver conflict start.

#	Broadcom BCM4311 (PCI IDs 14e4:4311, 14e4:4312)

#	Broadcom BCM4312 (PCI ID 14e4:4315)

#	Broadcom BCM4313 (PCI ID 14e4:4727)

#	Broadcom BCM4321 (PCI IDs 14e4:4328, 14e4:4329, 14e4:432a)

#	Broadcom BCM4322 (PCI IDs 14e4:432b, 14e4:432c, 14e4:432d)

#	Broadcom BCM43224 (PCI IDs 14e4:0576, 14e4:4353)

#	Broadcom BCM43225 (PCI ID 14e4:4357)

#	Broadcom BCM43227 (PCI ID 14e4:4358)

#	Broadcom BCM43228 (PCI ID 14e4:4359)

#	Broadcom BCM43142 (PCI ID 14e4:4365)

#	Broadcom BCM4331 (PCI ID 14e4:4331)

#	Broadcom BCM4352 (PCI ID 14e4:43b1)

#	Broadcom BCM4360 (PCI IDs 14e4:43a0, 14e4:4360)

BCMAID=`lspci | grep "14e4" | awk '{print $4}'`

case "${BCMAID##*:}" in

4311 | 4312 | \

4315 | \

4727 | \

4328 | 4329 | 432a | \

432b | 432c | 432d | \

0576 | 4353 | \

4357 | 4358 | 4359 | \

4365 | \

4331 | \

43b1 | \

43a0 | 4360 )

rmmod b43

rmmod b44

rmmod b43legacy

rmmod ssb

rmmod bcma

rmmod brcm80211

rmmod wl

modprobe wl

;;

*)

;;

esac

# BCM WiFi driver conflict end.

# BCM SDIO WiFi driver config file start.

BCMSDIO=`dmesg | grep brcmfmac | grep txt`

if [ "$BCMSDIO" != "" ]; then

BCMNAME=`echo $BCMSDIO | awk '{print $9}'`

mount -t efivarfs none /sys/firmware/efi/efivars

cp /sys/firmware/efi/efivars/nvram-74b00bd9-805a-4d61-b51f-43268123d113 /lib/firmware/$BCMNAME

set_property phoenixos.brcmfmac 1

fi

# BCM SDIO WiFi driver config file end.

}

function init_hal_bluetooth()

{

for r in /sys/class/rfkill/*; do

type=$(cat $r/type)

[ "$type" = "wlan" -o "$type" = "bluetooth" ] && echo 1 > $r/state

done

case "$PRODUCT" in

T10*TA|M80TA|HP*Omni*)

BTUART_PORT=/dev/ttyS1

set_property hal.bluetooth.uart.proto bcm

;;

MacBookPro8*)

rmmod b43

modprobe b43 btcoex=0

modprobe btusb

;;

# FIXME

# Fix MacBook 2013-2015 (Air6/7&Pro11/12) BCM4360 ssb&wl conflict.

MacBookPro11* | MacBookPro12* | MacBookAir6* | MacBookAir7*)

rmmod b43

rmmod ssb

rmmod bcma

rmmod wl

modprobe wl

modprobe btusb

;;

*)

for bt in $(busybox lsusb -v | awk ' /Class:.E0/ { print $9 } '); do

chown 1002.1002 $bt && chmod 660 $bt

done

;;

esac

if [ -n "$BTUART_PORT" ]; then

set_property hal.bluetooth.uart $BTUART_PORT

chown bluetooth.bluetooth $BTUART_PORT

start btattach

fi

# rtl8723bs bluetooth

if dmesg -t | grep -qE '8723bs.*BT'; then

TTYSTRING=`dmesg -t | grep -E 'tty.*MMIO' | awk '{print $2}' | head -1`

if [ -n "$TTYSTRING" ]; then

echo "RTL8723BS BT uses $TTYSTRING for Bluetooth."

ln -sf $TTYSTRING /dev/rtk_h5

start rtk_hciattach

fi

fi

}

function init_hal_camera()

{

return

}

function init_hal_gps()

{

# TODO

return

}

function set_drm_mode()

{

case "$PRODUCT" in

ET1602*)

drm_mode=1366x768

;;

VMware*)

[ -n "$video" ] && drm_mode=$video

;;

*)

;;

esac

[ -n "$drm_mode" ] && set_property debug.drm.mode.force $drm_mode

}

function init_uvesafb()

{

case "$PRODUCT" in

ET2002*)

UVESA_MODE=${UVESA_MODE:-1600x900}

;;

*)

;;

esac

modprobe uvesafb mode_option=${UVESA_MODE:-1024x768}-32 ${UVESA_OPTION:-mtrr=3 scroll=redraw}

}

function init_hal_gralloc()

{

case "$(cat /proc/fb | head -1)" in

*virtiodrmfb)

if [ "$HWACCEL" != "0" ]; then

set_property ro.hardware.hwcomposer drm

set_property ro.hardware.gralloc gbm

fi

set_prop_if_empty sleep.state none

;;

0*inteldrmfb|0*radeondrmfb|0*nouveaufb|0*svgadrmfb|0*amdgpudrmfb)

if [ "$HWACCEL" != "0" ]; then

set_property ro.hardware.gralloc drm

set_drm_mode

fi

;;

"")

init_uvesafb

;&

0*)

;;

esac

[ -n "$DEBUG" ] && set_property debug.egl.trace error

}

function init_hal_hwcomposer()

{

# TODO

return

}

function init_hal_lights()

{

chown 1000.1000 /sys/class/backlight/*/brightness

}

function init_hal_power()

{

for p in /sys/class/rtc/*; do

echo disabled > $p/device/power/wakeup

done

# TODO

case "$PRODUCT" in

HP*Omni*|OEMB|Surface*3|T10*TA)

set_prop_if_empty sleep.state none

;;

*)

;;

esac

}

function init_hal_sensors()

{

# if we have sensor module for our hardware, use it

ro_hardware=$(getprop ro.hardware)

[ -f /system/lib/hw/sensors.${ro_hardware}.so ] && return 0

local hal_sensors=kbd

local has_sensors=true

case "$(cat $DMIPATH/uevent)" in

*Lucid-MWE*)

set_property ro.ignore_atkbd 1

hal_sensors=hdaps

;;

*ICONIA*W5*)

hal_sensors=w500

;;

*S10-3t*)

hal_sensors=s103t

;;

*Inagua*)

#setkeycodes 0x62 29

#setkeycodes 0x74 56

set_property ro.ignore_atkbd 1

set_property hal.sensors.kbd.type 2

;;

*TEGA*|*2010:svnIntel:*)

set_property ro.ignore_atkbd 1

set_property hal.sensors.kbd.type 1

io_switch 0x0 0x1

setkeycodes 0x6d 125

;;

*DLI*)

set_property ro.ignore_atkbd 1

set_property hal.sensors.kbd.type 1

setkeycodes 0x64 1

setkeycodes 0x65 172

setkeycodes 0x66 120

setkeycodes 0x67 116

setkeycodes 0x68 114

setkeycodes 0x69 115

setkeycodes 0x6c 114

setkeycodes 0x6d 115

;;

*tx2*)

setkeycodes 0xb1 138

setkeycodes 0x8a 152

set_property hal.sensors.kbd.type 6

set_property poweroff.doubleclick 0

set_property qemu.hw.mainkeys 1

;;

*MS-N0E1*)

set_property ro.ignore_atkbd 1

set_property poweroff.doubleclick 0

setkeycodes 0xa5 125

setkeycodes 0xa7 1

setkeycodes 0xe3 142

;;

*Aspire1*25*)

modprobe lis3lv02d_i2c

echo -n "enabled" > /sys/class/thermal/thermal_zone0/mode

;;

*ThinkPad*Tablet*)

modprobe hdaps

hal_sensors=hdaps

;;

*i7Stylus*|*S10T*)

set_property hal.sensors.iio.accel.matrix 1,0,0,0,-1,0,0,0,-1

[ -z "$(getprop sleep.state)" ] && set_property sleep.state none

;;

*ST70416-6*)

set_property hal.sensors.iio.accel.matrix 0,-1,0,-1,0,0,0,0,-1

;;

*ONDATablet*)

set_property hal.sensors.iio.accel.matrix 0,1,0,1,0,0,0,0,-1

;;

*)

has_sensors=false

;;

esac

# has iio sensor-hub?

if [ -n "`ls /sys/bus/iio/devices/iio:device* 2> /dev/null`" ]; then

busybox chown -R 1000.1000 /sys/bus/iio/devices/iio:device*/

lsmod | grep -q hid_sensor_accel_3d && hal_sensors=hsb || hal_sensors=iio

elif lsmod | grep -q lis3lv02d_i2c; then

hal_sensors=hdaps

fi

# TODO close Surface Pro 4 sensor until bugfix

case "$(cat $DMIPATH/uevent)" in

*SurfacePro4*)

hal_sensors=kbd

;;

*)

;;

esac

set_property ro.hardware.sensors $hal_sensors

[ "$hal_sensors" != "kbd" ] && has_sensors=true

set_property config.override_forced_orient $has_sensors

}

function create_pointercal()

{

if [ ! -e /data/misc/tscal/pointercal ]; then

mkdir -p /data/misc/tscal

touch /data/misc/tscal/pointercal

chown 1000.1000 /data/misc/tscal /data/misc/tscal/*

chmod 775 /data/misc/tscal

chmod 664 /data/misc/tscal/pointercal

fi

}

function init_tscal()

{

case "$PRODUCT" in

ST70416-6*)

modprobe gslx680_ts_acpi

;&

T91|T101|ET2002|74499FU|945GSE-ITE8712|CF-19[CDYFGKLP]*)

create_pointercal

return

;;

*)

;;

esac

for usbts in $(lsusb | awk '{ print $6 }'); do

case "$usbts" in

0596:0001|0eef:0001)

create_pointercal

return

;;

*)

;;

esac

done

}

function init_ril()

{

case "$(cat $DMIPATH/uevent)" in

*TEGA*|*2010:svnIntel:*|*Lucid-MWE*)

set_property rild.libpath /system/lib/libhuaweigeneric-ril.so

set_property rild.libargs "-d /dev/ttyUSB2 -v /dev/ttyUSB1"

set_property ro.radio.noril no

;;

*)

set_property ro.radio.noril yes

;;

esac

}

function init_cpu_governor()

{

governor=$(getprop cpu.governor)

[ $governor ] && {

for cpu in $(ls -d /sys/devices/system/cpu/cpu?); do

echo $governor > $cpu/cpufreq/scaling_governor || return 1

done

}

}

function phoenixos_compat()

{

PHOENIX_LOG=/data/system/phoenixos.log

PHOENIX_LOG1=/data/system/phoenixos1.log

PHOENIX_TEMP=/data/system/tmp

PHOENIX_DISK=`cat /data/system/phoenixlog.addr`

PHOENIX_COMPAT_BIN=/system/xbin/phoenix_compat

if [ -f /data/system/phoenixlog.dir ]; then

PHOENIX_DIR=`cat /data/system/phoenixlog.dir`

else

PHOENIX_DIR=PhoenixOS-ROC

fi

if [ $1 = "cmdline" ]; then

sed -i '5s/^.*$/boot: cmdline/' $PHOENIX_LOG

else

if [ $1 = "android" ]; then

sed -i '5s/^.*$/boot: android/' $PHOENIX_LOG

else

sed -i '5s/^.*$/boot: phoenixos/' $PHOENIX_LOG

fi

$PHOENIX_COMPAT_BIN $1

cp -f $PHOENIX_LOG1 $PHOENIX_LOG

fi

mount $PHOENIX_DISK $PHOENIX_TEMP

cp -f $PHOENIX_LOG $PHOENIX_TEMP/$PHOENIX_DIR

umount $PHOENIX_TEMP

}

function do_init()

{

phoenixos_compat cmdline

init_misc

init_hal_audio

init_hal_wifi

init_hal_bluetooth

init_hal_camera

init_hal_gps

init_hal_gralloc

init_hal_hwcomposer

init_hal_lights

init_hal_power

init_hal_sensors

init_tscal

init_ril

post_init

}

function do_netconsole()

{

modprobe netconsole netconsole="@/,@$(getprop dhcp.eth0.gateway)/"

}

function do_bootanim()

{

phoenixos_compat android

[ -n "$(getprop phoenixos.brcmfmac)" ] && rmmod brcmfmac && modprobe brcmfmac

}

function do_bootcomplete()

{

phoenixos_compat phoenixos

init_cpu_governor

[ -z "$(getprop persist.sys.root_access)" ] && setprop persist.sys.root_access 3

lsmod | grep -Ehq "brcmfmac|rtl8723be" && setprop wlan.no-unload-driver 1

case "$PRODUCT" in

1866???|1867???|1869???) # ThinkPad X41 Tablet

start tablet-mode

start wacom-input

setkeycodes 0x6d 115

setkeycodes 0x6e 114

setkeycodes 0x69 28

setkeycodes 0x6b 158

setkeycodes 0x68 172

setkeycodes 0x6c 127

setkeycodes 0x67 217

;;

6363???|6364???|6366???) # ThinkPad X60 Tablet

;&

7762???|7763???|7767???) # ThinkPad X61 Tablet

start tablet-mode

start wacom-input

setkeycodes 0x6d 115

setkeycodes 0x6e 114

setkeycodes 0x69 28

setkeycodes 0x6b 158

setkeycodes 0x68 172

setkeycodes 0x6c 127

setkeycodes 0x67 217

;;

7448???|7449???|7450???|7453???) # ThinkPad X200 Tablet

start tablet-mode

start wacom-input

setkeycodes 0xe012 158

setkeycodes 0x66 172

setkeycodes 0x6b 127

;;

*)

;;

esac

#	[ -d /proc/asound/card0 ] || modprobe snd-dummy

for c in $(grep '\[.*\]' /proc/asound/cards | awk '{print $1}'); do

f=/system/etc/alsa/$(cat /proc/asound/card$c/id).state

if [ -e $f ]; then

alsa_ctl -f $f restore $c

else

alsa_ctl init $c

alsa_amixer -c $c set Master on

alsa_amixer -c $c set Master 100%

alsa_amixer -c $c set Headphone on

alsa_amixer -c $c set Headphone 100%

alsa_amixer -c $c set Speaker 100%

alsa_amixer -c $c set Capture 100%

alsa_amixer -c $c set Capture cap

alsa_amixer -c $c set PCM 100 unmute

alsa_amixer -c $c set SPO unmute

alsa_amixer -c $c set 'Mic Boost' 0

alsa_amixer -c $c set 'Internal Mic Boost' 0

alsa_amixer -c $c set Line on

alsa_amixer -c $c set Line 100%

alsa_amixer -c $c set 'Line Boost' 0

alsa_amixer -c $c set 'Front Mic' on

alsa_amixer -c $c set 'Front Mic' 100

alsa_amixer -c $c set 'Front Mic Boost' 0

alsa_amixer -c $c set 'Rear Mic' on

alsa_amixer -c $c set 'Rear Mic' 100%

alsa_amixer -c $c set 'Rear Mic Boost' 0

alsa_amixer -c $c set 'Input Source',0 'Rear Mic'

alsa_amixer -c $c set 'Internal Mic Boost' 0

alsa_amixer -c $c set 'Inverted Internal Mic' on

alsa_amixer -c $c set 'Inverted Internal Mic' 100%

alsa_amixer -c $c cset name='Mic Capture Switch' on

alsa_amixer -c $c cset name='Internal Mic Capture Switch' on

alsa_amixer -c $c cset name='Inverted Internal Mic Capture Switch' on

alsa_amixer -c set 'Internal Mic Boost' 0

alsa_amixer -c set 'Inverted Internal Mic' on

alsa_amixer -c set 'Inverted Internal Mic' 100%

alsa_amixer -c cset name='Mic Capture Switch' on

alsa_amixer -c cset name='Internal Mic Capture Switch' on

alsa_amixer -c cset name='Inverted Internal Mic Capture Switch' on

alsa_amixer -c0 $c set Mic on

alsa_amixer -c0 $c set Mic 100%

alsa_amixer -c0 $c set Capture 20

alsa_amixer -c0 $c set Capture cap

alsa_amixer -c0 $c set 'Front Mic' on

alsa_amixer -c0 $c set 'Front Mic' 100

alsa_amixer -c0 $c set 'Front Mic Boost' 0

alsa_amixer -c0 $c set 'Rear Mic' on

alsa_amixer -c0 $c set 'Rear Mic' 100%

alsa_amixer -c0 $c set 'Rear Mic Boost' 0

alsa_amixer -c0 $c set Line on

alsa_amixer -c0 $c set Line 100%

alsa_amixer -c0 $c set 'Line Boost' 0

alsa_amixer -c0 $c set 'Input Source',0 'Rear Mic'

alsa_amixer -c0 $c set 'Internal Mic Boost' 0

alsa_amixer -c0 $c set 'Inverted Internal Mic' on

alsa_amixer -c0 $c set 'Inverted Internal Mic' 100%

alsa_amixer -c0 $c cset name='Mic Capture Switch' on

alsa_amixer -c0 $c cset name='Internal Mic Capture Switch' on

alsa_amixer -c0 $c cset name='Inverted Internal Mic Capture Switch' on

alsa_amixer -c0 set*'Mic'*on

alsa_amixer -c0 set*'Mic'*100%

alsa_amixer -c0 cset*name='Mic Capture Switch'*on

alsa_amixer -c0 set*'Mic Boost'*1

alsa_amixer -c0 set*'Internal Mic'*on

alsa_amixer -c0 set*'Internal Mic'*100%

alsa_amixer -c0 cset*name='Internal Mic Capture Switch'*on

alsa_amixer -c0 set*'Internal Mic Boost'*1

alsa_amixer -c0 set*'Inverted Internal Mic'*on

alsa_amixer -c0 set*'Inverted Internal Mic'*100%

alsa_amixer -c0 cset*name='Inverted Internal Mic Capture Switch'*on

alsa_amixer -c1 $c set Mic on

alsa_amixer -c1 $c set Mic 100%

alsa_amixer -c1 $c set 'Mic Boost' 1

alsa_amixer -c1 $c set 'Internal Mic' on

alsa_amixer -c1 $c set 'Internal Mic' 100%

alsa_amixer -c1 $c set Capture 20

alsa_amixer -c1 $c set Capture cap

alsa_amixer -c1 $c set 'Front Mic' on

alsa_amixer -c1 $c set 'Front Mic' 100

alsa_amixer -c1 $c set 'Front Mic Boost' 0

alsa_amixer -c1 $c set 'Rear Mic' on

alsa_amixer -c1 $c set 'Rear Mic' 100%

alsa_amixer -c1 $c set 'Rear Mic Boost' 0

alsa_amixer -c1 $c set Line on

alsa_amixer -c1 $c set Line 100%

alsa_amixer -c1 $c set 'Line Boost' 0

alsa_amixer -c1 $c set 'Input Source',0 'Rear Mic'

alsa_amixer -c1 $c set 'Internal Mic Boost' 0

alsa_amixer -c1 $c set 'Inverted Internal Mic' on

alsa_amixer -c1 $c set 'Inverted Internal Mic' 100%

alsa_amixer -c1 $c cset name='Mic Capture Switch' on

alsa_amixer -c1 $c cset name='Internal Mic Capture Switch' on

alsa_amixer -c1 $c cset name='Inverted Internal Mic Capture Switch' on

alsa_amixer -c1 set*'Mic'*on

alsa_amixer -c1 set*'Mic'*100%

alsa_amixer -c1 cset*name='Mic Capture Switch'*on

alsa_amixer -c1 set*'Mic Boost'*1

alsa_amixer -c1 set*'Internal Mic'*on

alsa_amixer -c1 set*'Internal Mic'*100%

alsa_amixer -c1 cset*name='Internal Mic Capture Switch'*on

alsa_amixer -c1 set*'Internal Mic Boost'*1

alsa_amixer -c1 set*'Inverted Internal Mic'*on

alsa_amixer -c1 set*'Inverted Internal Mic'*100%

alsa_amixer -c1 cset*name='Inverted Internal Mic Capture Switch'*on

fi

done

post_bootcomplete

}

PATH=/sbin:/system/bin:/system/xbin

DMIPATH=/sys/class/dmi/id

BOARD=$(cat $DMIPATH/board_name)

PRODUCT=$(cat $DMIPATH/product_name)

# import cmdline variables

for c in `cat /proc/cmdline`; do

case $c in

BOOT_IMAGE=*|iso-scan/*|*.*=*)

;;

*=*)

eval $c

if [ -z "$1" ]; then

case $c in

DEBUG=*)

[ -n "$DEBUG" ] && set_property debug.logcat 1

;;

esac

fi

;;

esac

done

[ -n "$DEBUG" ] && set -x || exec &> /dev/null

# import the vendor specific script

hw_sh=/vendor/etc/init.sh

[ -e $hw_sh ] && source $hw_sh

case "$1" in

netconsole)

[ -n "$DEBUG" ] && do_netconsole

phoenixos_compat

;;

bootcomplete)

do_bootcomplete

;;

bootanim)

do_bootanim

;;

init|"")

do_init

;;

esac

return 0