Merge pull request #225 from KillingJacky/master

remove the default kernel downgrade

README.md

@@ -12,6 +12,7 @@ cd seeed-voicecard
 sudo ./install.sh
 sudo reboot
 ```
+It may probably happen that the driver won't compile with the latest kernel when raspbian rolls out new patches to the kernel. If so, please try `sudo ./install.sh --compat-kernel` which uses an older kernel but ensures that the driver can work. 
 
 ## ReSpeaker Mic Hat
 

install.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
-FORCE_KERNEL="1.20190925+1-1"
+#FORCE_KERNEL="1.20190925+1-1"
+FORCE_KERNEL="1.20200212-1"
 
 if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root (use sudo)" 1>&2
@@ -105,6 +106,14 @@ function download_install_debpkg() {
   return $r
 }
 
+option_pattern="compat-kernel"
+if [[ $1 =~ ${option_pattern} ]]; then
+  echo "will compile with a compatible kernel..."
+else
+  FORCE_KERNEL=""
+  echo "will compile with the latest kernel..."
+fi
+
 function install_kernel() {
   local _url _prefix
 
@@ -167,6 +176,10 @@ function install_module {
   for _i in $kernels; do
     dkms build -k $_i -m $mod -v $ver && {
       dkms install --force -k $_i -m $mod -v $ver
+    } || {
+      echo "can not compile with this kernel, abort"
+      echo "please try compile with the option --compat-kernel"
+      exit 1
     }
   done
 

uninstall.sh

@@ -73,9 +73,9 @@ echo "remove dkms"
 rm  -rf /var/lib/dkms/seeed-voicecard || true
 
 echo "remove kernel modules"
-rm  /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-wm8960.ko || true
-rm  /lib/modules/${uname_r}/kernel/sound/soc/codecs/snd-soc-ac108.ko || true
-rm  /lib/modules/${uname_r}/kernel/sound/soc/bcm/snd-soc-seeed-voicecard.ko || true
+rm  /lib/modules/*/kernel/sound/soc/codecs/snd-soc-wm8960.ko || true
+rm  /lib/modules/*/kernel/sound/soc/codecs/snd-soc-ac108.ko || true
+rm  /lib/modules/*/kernel/sound/soc/bcm/snd-soc-seeed-voicecard.ko || true
 
 echo "remove $CONFIG configuration"
 for i in $RPI_HATS; do