#!/bin/sh

# This script will recompile the ALSA drivers for Ubuntu
# This procedure was gotten from
# https://help.ubuntu.com/community/HdaIntelSoundHowto
#
# 2007 Bob Nelson admin@stchman.com
# 2009 Aldeby http://aldeby.org/blog: various tweaks in order to prompt you with a choice among few most common modes to try out
#
# This script last updated 29/3/2009


script_name="alsa_setup.sh"

# Script must run as root 
if [ $USER != "root" ]; then
	echo "You need to run this script as root."
	echo "Use 'sudo ./$script_name' then enter your password when prompted."
	exit 1
fi

# Install the required tools
sudo apt-get -y install build-essential ncurses-dev gettext

# Install your kernel headers
sudo apt-get -y install linux-headers-`uname -r`

# Change to users home folder
cd ~

# Get the files from www.stchman.com
wget ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.21.tar.bz2
wget ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.20.tar.bz2
wget ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.21a.tar.bz2
wget ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.21.tar.bz2

# make a new folder 
sudo mkdir -p /usr/src/alsa

# Change to that folder
cd /usr/src/alsa

# Copy the downloaded files to the newly made folder
sudo cp ~/alsa* .

# Unpack the tar archive files
sudo tar xjf alsa-driver*
sudo tar xjf alsa-lib*
sudo tar xjf alsa-utils*
sudo tar xjf alsa-firmware*

#Compile and install alsa-driver
cd alsa-driver*
sudo ./configure --with-cards=hda-intel --with-kernel=/usr/src/linux-headers-$(uname -r)
sudo make
sudo make install

# Compile and install alsa-lib
cd ../alsa-lib*
sudo ./configure
sudo make
sudo make install

# Compile and install alsa-utils
cd ../alsa-utils*
sudo ./configure
sudo make
sudo make install

# Compile and install alsa-firmware
cd ../alsa-firmware*
sudo ./configure
sudo make
sudo make install

# Remove the archives as they are no longer needed
rm -f ~/alsa-driver*
rm -f ~/alsa-lib*
rm -f ~/alsa-utils*
rm -f ~/alsa-firmware*

# Add the following line to the file, replace 'auto' with your model

sudo echo -e '\n' >> /etc/modprobe.d/alsa-base.conf
#sudo echo "options snd-hda-intel model=auto" >> /etc/modprobe.d/alsa-base.conf

while :
do
 clear
 echo "Choose the mode which best fits you"
 echo "1. AUTO (default)"
 echo "2. HP generic laptop"
 echo "3. Fujitsu"
 echo "4. Acer"
 echo "5. Dell"
 echo "6. Lenovo Thinkpad"
 echo "7. 3-stack desktop [AD1884A / AD1883 / AD1984A / AD1984B]"
 echo "8. laptop with HP jack sensing [AD1884A / AD1883 / AD1984A / AD1984B]"
 echo "9. mobile devices with HP jack sensing [AD1884A / AD1883 / AD1984A / AD1984B]"
 echo "10. Reference board"
 echo "11. Intel Mac (detect type according to subsystem id)"
 echo "12. 3-stack 3-jack"
 echo "13. 3-stack (2-channel) with SPDIF"
 echo "14. 3-stack (6-channel)"
 echo "15. 3-stack (6-channel) with SPDIF"
 echo "16. 6-stack mode"
 echo "17. 6-stack with SPDIF"
 echo "18. UNDO TWEAK / CHANGE MODE / PRESSED WRONG DIGIT"
 echo "19. DONE TWEAKING!"
 echo -n "Please enter option [1 - 19]"
 read opt
 case $opt in
  1) echo;;
  2) sudo echo "options snd-hda-intel model=hp" >> /etc/modprobe.d/alsa-base.conf;;
  3) sudo echo "options snd-hda-intel model=fujitsu" >> /etc/modprobe.d/alsa-base.conf;;
  4) sudo echo "options snd-hda-intel model=acer" >> /etc/modprobe.d/alsa-base.conf;;
  5) sudo echo "options snd-hda-intel model=dell" >> /etc/modprobe.d/alsa-base.conf;;
  6) sudo echo "options snd-hda-intel model=thinkpad" >> /etc/modprobe.d/alsa-base.conf;;
  7) sudo echo "options snd-hda-intel model=desktop" >> /etc/modprobe.d/alsa-base.conf;;
  8) sudo echo "options snd-hda-intel model=laptop" >> /etc/modprobe.d/alsa-base.conf;;
  9) sudo echo "options snd-hda-intel model=mobile" >> /etc/modprobe.d/alsa-base.conf;;
  10) sudo echo "options snd-hda-intel model=ref" >> /etc/modprobe.d/alsa-base.conf;;
  11) sudo echo "options snd-hda-intel model=intel-mac-auto" >> /etc/modprobe.d/alsa-base.conf;;
  12) sudo echo "options snd-hda-intel model=3stack" >> /etc/modprobe.d/alsa-base.conf;;
  13) sudo echo "options snd-hda-intel model=3stack-dig" >> /etc/modprobe.d/alsa-base.conf;;
  14) sudo echo "options snd-hda-intel model=3stack-6ch" >> /etc/modprobe.d/alsa-base.conf;;
  15) sudo echo "options snd-hda-intel model=3stack-6ch-dig" >> /etc/modprobe.d/alsa-base.confv;;
  16) sudo echo "options snd-hda-intel model=6stack" >> /etc/modprobe.d/alsa-base.conf;;
  17) sudo echo "options snd-hda-intel model=6stack-dig" >> /etc/modprobe.d/alsa-base.conf;;
  18) sudo sed '$d' /etc/modprobe.d/alsa-base.conf /tmp/alsa-base.conf ; mv /tmp/alsa-base.conf /etc/modprobe.d/alsa-base.conf;;
  19) echo "Bye $USER";
     exit 1;;
  *) echo "$opt is an invaild option. Please select option between 1-17 only";
     echo "Press [enter] key to continue. . .";
     read enterKey;;
esac
done

# Reboot the computer
echo "Save your work and REBOOT your computer to make changes effective!"