From 5863e7d3accede3b3f2fd2140db470a7837b4162 Mon Sep 17 00:00:00 2001
From: Baozhu Zuo <zuobaozhu@gmail.com>
Date: Wed, 27 Sep 2017 03:14:19 +0000
Subject: [PATCH] add uninstall.sh script

---
 uninstall.sh | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100755 uninstall.sh

diff --git a/uninstall.sh b/uninstall.sh
new file mode 100755
index 0000000..89f3f3e
--- /dev/null
+++ b/uninstall.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root (use sudo)" 1>&2
+   exit 1
+fi
+
+is_Raspberry=$(cat /proc/device-tree/model | awk  '{print $1}')
+if [ "x${is_Raspberry}" != "xRaspberry" ] ; then
+  echo "Sorry, this drivers only works on raspberry pi"
+  exit 1
+fi
+
+uname_r=$(uname -r)
+card=$1
+if [ x${card} = "x" ] ; then
+	echo "Usage: ./uninstall 2mic|4mic"
+	exit 1
+fi
+
+if [ x${card} = "x2mic" ] ; then
+	echo "delete dtoverlay=seeed-2mic-voicecard in /boot/config.txt"
+	sed -i "s/dtoverlay=seeed-2mic-voicecard//g" /boot/config.txt
+	if [ -f /boot/overlays/seeed-2mic-voicecard.dtbo ] ; then
+		echo "remove seeed-2mic-voicecard.dtbo in /boot/overlays"
+		rm /boot/overlays/seeed-2mic-voicecard.dtbo
+	fi 
+
+	if [ -f /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-wm8960.ko ] ; then
+		echo "remove snd-soc-wm8960.ko"
+		rm  /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-wm8960.ko
+	fi
+
+	if [ -d /var/lib/dkms/seeed-voicecard ] ; then
+		echo "remove seeed-voicecard dkms"
+		rm  -rf  /var/lib/dkms/seeed-voicecard
+	fi
+
+	echo "delete snd-soc-wm8960 in /etc/modules"
+	sed -i "s/snd-soc-wm8960//g" /etc/modules
+
+	if [ -f /var/lib/alsa/asound.state ] ; then 
+		echo  "remove wm8960_asound.state"
+		rm /var/lib/alsa/asound.state
+	fi
+fi
+
+if [ x${card} = "x4mic" ] ; then
+        echo "delete dtoverlay=seeed-4mic-voicecard in /boot/config.txt"
+        sed -i "s/dtoverlay=seeed-4mic-voicecard//g" /boot/config.txt
+	
+	if [ -f /boot/overlays/seeed-4mic-voicecard.dtbo ] ; then
+        	echo "remove seeed-4mic-voicecard.dtbo in /boot/overlays"
+        	rm /boot/overlays/seeed-4mic-voicecard.dtbo
+	fi
+
+	if [ -f /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-ac108.ko ] ; then
+        	echo "remove snd-soc-ac108.ko"
+        	rm  /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-ac108.ko
+	fi
+
+	if [ -d /var/lib/dkms/seeed-voicecard ] ; then
+        echo "remove seeed-voicecard dkms"
+        rm  -rf  /var/lib/dkms/seeed-voicecard
+	fi 
+
+        echo "delete snd-soc-ac108 in /etc/modules"
+        sed -i "s/snd-soc-ac108//g" /etc/modules                
+
+	if [ -f /var/lib/alsa/asound.state ] ; then
+        	echo  "remove ac108_asound.state"
+        	rm /var/lib/alsa/asound.state
+	fi
+	
+	if [ -f /usr/lib/arm-linux-gnueabihf/alsa-lib/libasound_module_pcm_ac108.so ] ; then
+		echo "remove libasound_module_pcm_ac108.so in /usr/lib/arm-linux-gnueabihf/alsa-lib/ "
+		rm  /usr/lib/arm-linux-gnueabihf/alsa-lib/libasound_module_pcm_ac108.so
+	fi 
+fi
+
+echo "------------------------------------------------------"
+echo "Please reboot your raspberry pi to apply all settings"
+echo "Thank you!"
+echo "------------------------------------------------------"