diff --git a/install.sh b/install.sh
index 2665d29..1d8370b 100755
--- a/install.sh
+++ b/install.sh
@@ -80,6 +80,10 @@ function check_kernel_headers() {
   [ "X$VER_RUN" == "X$VER_HDR" ] && {
     return 0
   }
+  VER_HDR=$(dpkg -L linux-headers-$VER_RUN | egrep -m1 "/lib/modules/[[:print:]]+/build" | awk -F'/' '{ print $4; }')
+  [ "X$VER_RUN" == "X$VER_HDR" ] && {
+    return 0
+  }
 
   # echo RUN=$VER_RUN HDR=$VER_HDR
   echo " !!! Your kernel version is $VER_RUN"
@@ -100,7 +104,10 @@ function check_kernel_headers() {
 which apt &>/dev/null
 if [[ $? -eq 0 ]]; then
   apt update -y
+  # Raspbian kernel packages
   apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
+  # Ubuntu kernel packages
+  apt-get -y install linux-raspi linux-headers-raspi linux-image-raspi
   apt-get -y install dkms git i2c-tools libasound2-plugins
   # rpi-update checker
   check_kernel_headers
diff --git a/seeed-voicecard.c b/seeed-voicecard.c
index 40b1df8..8094aa7 100644
--- a/seeed-voicecard.c
+++ b/seeed-voicecard.c
@@ -457,6 +457,8 @@ static int seeed_voice_card_dai_link_of(struct device_node *node,
 	#else
 	ret = asoc_simple_parse_clk_codec(dev, codec, dai_link, codec_dai);
 	#endif
+	if (!strncmp(dai_link->codecs->dai_name, "ac10", 4))
+		codec_dai->sysclk = 24000000;
 	if (ret < 0)
 		goto dai_link_of_err;