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chrubuntu-tegra.sh
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chrubuntu-tegra.sh
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set -e
# example use:
# 1. Prepare MMC card on a different computer using the format_mmc
# script. Stock chrome os does not carry cgpt any more
# 2. Then download this script to a /tmp folder and from there run:
# sudo bash chrubuntu-tegra.sh default 14.04 /dev/mmcblk1
# fw_type will always be developer for Mario.
# Alex and ZGB need the developer BIOS installed though.
fw_type="`crossystem mainfw_type`"
if [ ! "$fw_type" = "developer" ]
then
echo -e "\nYour Chromebook is not running a developer BIOS!"
echo -e "You need to run:"
echo -e ""
echo -e "sudo chromeos-firmwareupdate --mode=todev"
echo -e ""
echo -e "and then re-run this script."
exit
fi
powerd_status="`initctl status powerd`"
if [ ! "$powerd_status" = "powerd stop/waiting" ]
then
echo -e "Stopping powerd to keep display from timing out..."
initctl stop powerd
fi
setterm -blank 0
if [ "$3" != "" ]; then
target_disk=$3
echo "Got ${target_disk} as target drive"
echo ""
echo "WARNING! All data on this device will be wiped out! Continue at your own risk!"
echo ""
read -p "Press [Enter] to install ChrUbuntu on ${target_disk} or CTRL+C to quit"
ext_size="`blockdev --getsz ${target_disk}`"
arootfs_size=$((ext_size - 65600 - 33 - 4*1024*1024*1024/512))
# cgpt create ${target_disk}
# cgpt add -i 6 -b 64 -s 32768 -S 1 -P 5 -l KERN-A -t "kernel" ${target_disk}
# cgpt add -i 7 -b 65600 -s $aroot_size -l ROOT-A -t "rootfs" ${target_disk}
sync
blockdev --rereadpt ${target_disk}
# partprobe ${target_disk}
crossystem dev_boot_usb=1
else
target_disk="`rootdev -d -s`"
# Do partitioning (if we haven't already)
ckern_size="`cgpt show -i 6 -n -s -q ${target_disk}`"
croot_size="`cgpt show -i 7 -n -s -q ${target_disk}`"
state_size="`cgpt show -i 1 -n -s -q ${target_disk}`"
max_ubuntu_size=$(($state_size/1024/1024/2))
rec_ubuntu_size=$(($max_ubuntu_size - 1))
# If KERN-C and ROOT-C are one, we partition, otherwise assume they're what they need to be...
if [ "$ckern_size" = "1" -o "$croot_size" = "1" ]
then
while :
do
read -p "Enter the size in gigabytes you want to reserve for Ubuntu. Acceptable range is 5 to $max_ubuntu_size but $rec_ubuntu_size is the recommended maximum: " ubuntu_size
if [ ! $ubuntu_size -ne 0 2>/dev/null ]
then
echo -e "\n\nNumbers only please...\n\n"
continue
fi
if [ $ubuntu_size -lt 5 -o $ubuntu_size -gt $max_ubuntu_size ]
then
echo -e "\n\nThat number is out of range. Enter a number 5 through $max_ubuntu_size\n\n"
continue
fi
break
done
# We've got our size in GB for ROOT-C so do the math...
# Calculate sector size for rootc
rootc_size=$(($ubuntu_size*1024*1024*2))
# kernc is always 16mb
kernc_size=32768
# New stateful size with rootc and kernc subtracted from original
stateful_size=$(($state_size - $rootc_size - $kernc_size))
# Start stateful at the same spot it currently starts at
stateful_start="`cgpt show -i 1 -n -b -q ${target_disk}`"
# Start kernc at stateful start plus stateful size
kernc_start=$(($stateful_start + $stateful_size))
# Start rootc at kernc start plus kernc size
rootc_start=$(($kernc_start + $kernc_size))
# Do the real work
echo -e "\n\nModifying partition table to make room for Ubuntu."
echo -e "Your Chromebook will reboot, wipe your data and then"
echo -e "you should re-run this script..."
umount -f /mnt/stateful_partition
# stateful first
cgpt add -i 1 -b $stateful_start -s $stateful_size -l STATE ${target_disk}
# now kernc
cgpt add -i 6 -b $kernc_start -s $kernc_size -l KERN-C ${target_disk}
# finally rootc
cgpt add -i 7 -b $rootc_start -s $rootc_size -l ROOT-C ${target_disk}
reboot
exit
fi
fi
# hwid lets us know if this is a Mario (Cr-48), Alex (Samsung Series 5), ZGB (Acer), etc
hwid="`crossystem hwid`"
chromebook_arch="`uname -m`"
ubuntu_metapackage=${1:-default}
latest_ubuntu=`wget --quiet -O - http://changelogs.ubuntu.com/meta-release | grep "^Version: " | tail -1 | sed -r 's/^Version: ([^ ]+)( LTS)?$/\1/'`
ubuntu_version=${2:-$latest_ubuntu}
if [ "$ubuntu_version" = "lts" ]
then
ubuntu_version=`wget --quiet -O - http://changelogs.ubuntu.com/meta-release | grep "^Version:" | grep "LTS" | tail -1 | sed -r 's/^Version: ([^ ]+)( LTS)?$/\1/'`
elif [ "$ubuntu_version" = "latest" ]
then
ubuntu_version=$latest_ubuntu
fi
if [ "$chromebook_arch" = "x86_64" ]
then
ubuntu_arch="amd64"
if [ "$ubuntu_metapackage" = "default" ]
then
ubuntu_metapackage="ubuntu-desktop"
fi
elif [ "$chromebook_arch" = "i686" ]
then
ubuntu_arch="i386"
if [ "$ubuntu_metapackage" = "default" ]
then
ubuntu_metapackage="ubuntu-desktop"
fi
elif [ "$chromebook_arch" = "armv7l" ]
then
ubuntu_arch="armhf"
if [ "$ubuntu_metapackage" = "default" ]
then
ubuntu_metapackage="xubuntu-desktop"
fi
else
echo -e "Error: This script doesn't know how to install ChrUbuntu on $chromebook_arch"
exit
fi
echo -e "\nChrome device model is: $hwid\n"
echo -e "Installing Ubuntu ${ubuntu_version} with metapackage ${ubuntu_metapackage}\n"
echo -e "Kernel Arch is: $chromebook_arch \n"
echo -e "Installing Ubuntu Arch: $ubuntu_arch\n"
read -p "Press [Enter] to continue..."
if [ ! -d /mnt/stateful_partition/ubuntu ]
then
mkdir /mnt/stateful_partition/ubuntu
fi
cd /mnt/stateful_partition/ubuntu
if [[ "${target_disk}" =~ "mmcblk" ]]
then
target_rootfs="${target_disk}p7"
target_kern="${target_disk}p6"
else
target_rootfs="${target_disk}7"
target_kern="${target_disk}6"
fi
echo "Target Kernel Partition: $target_kern Target Root FS: ${target_rootfs}"
if mount|grep ${target_rootfs}
then
echo "Refusing to continue since ${target_rootfs} is formatted and mounted. Try rebooting"
exit
fi
mkfs.ext4 ${target_rootfs}
if [ ! -d /tmp/urfs ]
then
mkdir /tmp/urfs
fi
mount -t ext4 ${target_rootfs} /tmp/urfs
tar_file="http://cdimage.ubuntu.com/ubuntu-core/releases/$ubuntu_version/release/ubuntu-core-$ubuntu_version-core-$ubuntu_arch.tar.gz"
if [ $ubuntu_version = "dev" ]
then
ubuntu_animal=`wget --quiet -O - http://changelogs.ubuntu.com/meta-release-development | grep "^Dist: " | tail -1 | sed -r 's/^Dist: (.*)$/\1/'`
tar_file="http://cdimage.ubuntu.com/ubuntu-core/daily/current/$ubuntu_animal-core-$ubuntu_arch.tar.gz"
fi
wget -O - $tar_file | tar xzvvp -C /tmp/urfs/
mount -o bind /proc /tmp/urfs/proc
mount -o bind /dev /tmp/urfs/dev
mount -o bind /dev/pts /tmp/urfs/dev/pts
mount -o bind /sys /tmp/urfs/sys
if [ -f /usr/bin/old_bins/cgpt ]
then
cp /usr/bin/old_bins/cgpt /tmp/urfs/usr/bin/
else
cp /usr/bin/cgpt /tmp/urfs/usr/bin/
fi
chmod a+rx /tmp/urfs/usr/bin/cgpt
if [ ! -d /tmp/urfs/run/resolvconf/ ]
then
mkdir /tmp/urfs/run/resolvconf/
fi
cp /etc/resolv.conf /tmp/urfs/run/resolvconf/
ln -s -f /run/resolvconf/resolv.conf /tmp/urfs/etc/resolv.conf
echo chrubuntu > /tmp/urfs/etc/hostname
#echo -e "127.0.0.1 localhost
echo -e "\n127.0.1.1 chrubuntu" >> /tmp/urfs/etc/hosts
# The following lines are desirable for IPv6 capable hosts
#::1 localhost ip6-localhost ip6-loopback
#fe00::0 ip6-localnet
#ff00::0 ip6-mcastprefix
#ff02::1 ip6-allnodes
#ff02::2 ip6-allrouters" > /tmp/urfs/etc/hosts
cr_install="wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
add-apt-repository \"deb http://dl.google.com/linux/chrome/deb/ stable main\"
apt-get update
apt-get -y install google-chrome-stable"
if [ $ubuntu_arch = 'armhf' ]
then
cr_install='apt-get -y install chromium-browser'
fi
add_apt_repository_package='software-properties-common'
ubuntu_major_version=${ubuntu_version:0:2}
ubuntu_minor_version=${ubuntu_version:3:2}
if [ $ubuntu_major_version -le 12 ] && [ $ubuntu_minor_version -lt 10 ]
then
add_apt_repository_package='python-software-properties'
fi
echo -e "apt-get -y update
apt-get -y dist-upgrade
apt-get -y install ubuntu-minimal
apt-get -y install wget
apt-get -y install $add_apt_repository_package
add-apt-repository main
add-apt-repository universe
add-apt-repository restricted
add-apt-repository multiverse
apt-get update
apt-get -y install $ubuntu_metapackage
$cr_install
if [ -f /usr/lib/lightdm/lightdm-set-defaults ]
then
/usr/lib/lightdm/lightdm-set-defaults --autologin user
fi
useradd -m user -s /bin/bash
echo user | echo user:user | chpasswd
adduser user adm
adduser user sudo
update-alternatives --set x-www-browser /usr/bin/chromium-browser
locale-gen en_US en_US.UTF-8
echo -e 'LANG=en_US.UTF-8\nLC_ALL=en_US.UTF-8' > /etc/default/locale
LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 dpkg-reconfigure locales" > /tmp/urfs/install-ubuntu.sh
chmod a+x /tmp/urfs/install-ubuntu.sh
chroot /tmp/urfs /bin/bash -c /install-ubuntu.sh
rm /tmp/urfs/install-ubuntu.sh
KERN_VER=`uname -r`
mkdir -p /tmp/urfs/lib/modules/$KERN_VER/
cp -ar /lib/modules/$KERN_VER/* /tmp/urfs/lib/modules/$KERN_VER/
if [ ! -d /tmp/urfs/lib/firmware/ ]
then
mkdir /tmp/urfs/lib/firmware/
fi
cp -ar /lib/firmware/* /tmp/urfs/lib/firmware/
# copy adobe flash player plugin
cp /opt/google/chrome/pepper/libpepflashplayer.so /tmp/urfs/usr/lib/chromium-browser
# tell chromium-browser where to find flash plugin
echo -e 'CHROMIUM_FLAGS="${CHROMIUM_FLAGS} --ppapi-flash-path=/usr/lib/chromium-browser/libpepflashplayer.so"' >> /tmp/urfs/etc/chromium-browser/default
# flash plugin requires a new version of libstdc++6 from test repository
cat > /tmp/urfs/install-flash.sh <<EOF
add-apt-repository -y ppa:ubuntu-toolchain-r/test
apt-get update
apt-get install -y libstdc++6
EOF
chmod a+x /tmp/urfs/install-flash.sh
chroot /tmp/urfs /bin/bash -c /install-flash.sh
rm /tmp/urfs/install-flash.sh
# BIG specific files here
cp /etc/X11/xorg.conf.d/tegra.conf /tmp/urfs/usr/share/X11/xorg.conf.d/
l4tdir=`mktemp -d`
l4t=Tegra124_Linux_R21.1.0_armhf.tbz2
wget -P ${l4tdir} http://developer.download.nvidia.com/mobile/tegra/l4t/r21.1.0/${l4t}
cd ${l4tdir}
tar xvpf ${l4t}
cd Linux_for_Tegra/rootfs/
tar xvpf ../nv_tegra/nvidia_drivers.tbz2
tar cf - usr/lib | ( cd /tmp/urfs ; tar xvf -)
# cuda symlinks
ln -s libcuda.so.1 /tmp/urfs/usr/lib/arm-linux-gnueabihf/libcuda.so
ln -s tegra/libcuda.so.1 /tmp/urfs/usr/lib/arm-linux-gnueabihf/libcuda.so.1
ln -s tegra/libcuda.so.1.1 /tmp/urfs/usr/lib/arm-linux-gnueabihf/libcuda.so.1.1
echo "/usr/lib/arm-linux-gnueabihf/tegra" > /tmp/urfs/etc/ld.so.conf.d/nvidia-tegra.conf
echo "/usr/lib/arm-linux-gnueabihf/tegra-egl" > /tmp/urfs/usr/lib/arm-linux-gnueabihf/tegra-egl/ld.so.conf
echo "/usr/lib/arm-linux-gnueabihf/tegra" > /tmp/urfs/usr/lib/arm-linux-gnueabihf/tegra/ld.so.conf
cat >/tmp/urfs/etc/udev/rules.d/99-tegra-lid-switch.rules <<EOF
ACTION=="remove", GOTO="tegra_lid_switch_end"
SUBSYSTEM=="input", KERNEL=="event*", SUBSYSTEMS=="platform", KERNELS=="gpio-keys.4", TAG+="power-switch"
LABEL="tegra_lid_switch_end"
EOF
# nvidia device node permissions
cat > /tmp/urfs/lib/udev/rules.d/51-nvrm.rules <<EOF
KERNEL=="knvmap", GROUP="video", MODE="0660"
KERNEL=="nvhdcp1", GROUP="video", MODE="0660"
KERNEL=="nvhost-as-gpu", GROUP="video", MODE="0660"
KERNEL=="nvhost-ctrl", GROUP="video", MODE="0660"
KERNEL=="nvhost-ctrl-gpu", GROUP="video", MODE="0660"
KERNEL=="nvhost-dbg-gpu", GROUP="video", MODE="0660"
KERNEL=="nvhost-gpu", GROUP="video", MODE="0660"
KERNEL=="nvhost-msenc", GROUP="video", MODE=0660"
KERNEL=="nvhost-prof-gpu", GROUP="video", MODE=0660"
KERNEL=="nvhost-tsec", GROUP="video", MODE="0660"
KERNEL=="nvhost-vic", GROUP="video", MODE="0660"
KERNEL=="nvmap", GROUP="video", MODE="0660"
KERNEL=="tegra_dc_0", GROUP="video", MODE="0660"
KERNEL=="tegra_dc_1", GROUP="video", MODE="0660"
KERNEL=="tegra_dc_ctrl", GROUP="video", MODE="0660"
EOF
# alsa mixer settings to enable internal speakers
cat > /tmp/urfs/var/lib/alsa/asound.state <<EOF
state.HDATegra {
control.1 {
iface CARD
name 'HDMI/DP,pcm=3 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.2 {
iface MIXER
name 'IEC958 Playback Con Mask'
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.3 {
iface MIXER
name 'IEC958 Playback Pro Mask'
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.4 {
iface MIXER
name 'IEC958 Playback Default'
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.5 {
iface MIXER
name 'IEC958 Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.6 {
iface PCM
device 3
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.7 {
iface PCM
device 3
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
}
state.Venice2 {
control.1 {
iface MIXER
name 'MIC Bias VCM Bandgap'
value 'High Performance'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Low Power'
item.1 'High Performance'
}
}
control.2 {
iface MIXER
name 'DMIC MIC Comp Filter Config'
value 6
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
}
}
control.3 {
iface MIXER
name 'MIC1 Boost Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 2'
dbmin 0
dbmax 3000
dbvalue.0 0
}
}
control.4 {
iface MIXER
name 'MIC2 Boost Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 2'
dbmin 0
dbmax 3000
dbvalue.0 0
}
}
control.5 {
iface MIXER
name 'MIC1 Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 20'
dbmin 0
dbmax 2000
dbvalue.0 0
}
}
control.6 {
iface MIXER
name 'MIC2 Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 20'
dbmin 0
dbmax 2000
dbvalue.0 0
}
}
control.7 {
iface MIXER
name 'LINEA Single Ended Volume'
value 1
comment {
access 'read write'
type INTEGER
count 1
range '0 - 1'
dbmin -600
dbmax 0
dbvalue.0 0
}
}
control.8 {
iface MIXER
name 'LINEB Single Ended Volume'
value 1
comment {
access 'read write'
type INTEGER
count 1
range '0 - 1'
dbmin -600
dbmax 0
dbvalue.0 0
}
}
control.9 {
iface MIXER
name 'LINEA Volume'
value 2
comment {
access 'read write'
type INTEGER
count 1
range '0 - 5'
dbmin -600
dbmax 2000
dbvalue.0 0
}
}
control.10 {
iface MIXER
name 'LINEB Volume'
value 2
comment {
access 'read write'
type INTEGER
count 1
range '0 - 5'
dbmin -600
dbmax 2000
dbvalue.0 0
}
}
control.11 {
iface MIXER
name 'LINEA Ext Resistor Gain Mode'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface MIXER
name 'LINEB Ext Resistor Gain Mode'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.13 {
iface MIXER
name 'ADCL Boost Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 7'
dbmin 0
dbmax 4200
dbvalue.0 0
}
}
control.14 {
iface MIXER
name 'ADCR Boost Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 7'
dbmin 0
dbmax 4200
dbvalue.0 0
}
}
control.15 {
iface MIXER
name 'ADCL Volume'
value 12
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -1200
dbmax 300
dbvalue.0 0
}
}
control.16 {
iface MIXER
name 'ADCR Volume'
value 12
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -1200
dbmax 300
dbvalue.0 0
}
}
control.17 {
iface MIXER
name 'ADC Oversampling Rate'
value '128*fs'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 '64*fs'
item.1 '128*fs'
}
}
control.18 {
iface MIXER
name 'ADC Quantizer Dither'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.19 {
iface MIXER
name 'ADC High Performance Mode'
value 'High Performance'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Low Power'
item.1 'High Performance'
}
}
control.20 {
iface MIXER
name 'DAC Mono Mode'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.21 {
iface MIXER
name 'SDIN Mode'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.22 {
iface MIXER
name 'SDOUT Mode'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.23 {
iface MIXER
name 'SDOUT Hi-Z Mode'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.24 {
iface MIXER
name 'Filter Mode'
value Music
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Voice
item.1 Music
}
}
control.25 {
iface MIXER
name 'Record Path DC Blocking'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.26 {
iface MIXER
name 'Playback Path DC Blocking'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.27 {
iface MIXER
name 'Digital BQ Volume'
value 15
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -1500
dbmax 0
dbvalue.0 0
}
}
control.28 {
iface MIXER
name 'Digital Sidetone Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 30'
dbmin 0
dbmax 3000
dbvalue.0 0
}
}
control.29 {
iface MIXER
name 'Digital Coarse Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 3'
dbmin 0
dbmax 1800
dbvalue.0 0
}
}
control.30 {
iface MIXER
name 'Digital Volume'
value 15
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -1500
dbmax 0
dbvalue.0 0
}
}
control.31 {
iface MIXER
name 'EQ Coefficients'
value '000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type BYTES
count 105
}
}
control.32 {
iface MIXER
name 'Digital EQ 3 Band Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.33 {
iface MIXER
name 'Digital EQ 5 Band Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.34 {
iface MIXER
name 'Digital EQ 7 Band Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.35 {
iface MIXER
name 'Digital EQ Clipping Detection'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.36 {
iface MIXER
name 'Digital EQ Volume'
value 15
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -1500
dbmax 0
dbvalue.0 0
}
}
control.37 {
iface MIXER
name 'ALC Enable'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.38 {
iface MIXER
name 'ALC Attack Time'
value '0.5ms'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 '0.5ms'
item.1 '1ms'
item.2 '5ms'
item.3 '10ms'
item.4 '25ms'
item.5 '50ms'
item.6 '100ms'
item.7 '200ms'
}
}
control.39 {
iface MIXER
name 'ALC Release Time'
value '8s'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 '8s'
item.1 '4s'
item.2 '2s'
item.3 '1s'
item.4 '0.5s'
item.5 '0.25s'
item.6 '0.125s'
item.7 '0.0625s'
}
}
control.40 {
iface MIXER
name 'ALC Make Up Volume'
value 0
comment {
access 'read write'
type INTEGER
count 1
range '0 - 12'
dbmin 0
dbmax 1200
dbvalue.0 0
}
}
control.41 {
iface MIXER
name 'ALC Compression Ratio'
value '1:1'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 '1:1'
item.1 '1:1.5'
item.2 '1:2'
item.3 '1:4'
item.4 '1:INF'
}
}
control.42 {
iface MIXER
name 'ALC Expansion Ratio'
value '1:1'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 '1:1'
item.1 '2:1'
item.2 '3:1'
}
}
control.43 {
iface MIXER
name 'ALC Compression Threshold Volume'
value 31
comment {
access 'read write'
type INTEGER
count 1
range '0 - 31'
dbmin -3100
dbmax 0
dbvalue.0 0
}
}
control.44 {
iface MIXER
name 'ALC Expansion Threshold Volume'
value 31
comment {
access 'read write'
type INTEGER
count 1
range '0 - 31'
dbmin -6600
dbmax -3500
dbvalue.0 -3500
}
}
control.45 {
iface MIXER
name 'DAC HP Playback Performance Mode'