From 18e297d2d8c54d71d50daca1229f0da329f5a112 Mon Sep 17 00:00:00 2001
From: Hin-Tak Leung <htl10@users.sourceforge.net>
Date: Sun, 16 Apr 2023 19:19:19 +0100
Subject: [PATCH] 64-bit-only kernel package does not have /boot/kernel.img ;
 use /boot/kernel8.img for version detection.

http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel_1.20230405-1_arm64.deb
9a716f09695f1e6c9f951a6bc9e4ff22
27025792 Apr  5 20:13

6.1.21-v8+
---
 seeed-voicecard | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/seeed-voicecard b/seeed-voicecard
index dc2aa1c..94ccd13 100755
--- a/seeed-voicecard
+++ b/seeed-voicecard
@@ -42,6 +42,8 @@ function get_kernel_version() {
     [ -z "$_VER_RUN" ] && {
         ZIMAGE=/boot/kernel.img
         IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
+        # 64-bit-only kernel package
+        [ ! -f /boot/kernel.img ] && [ -f /boot/kernel8.img ] && ZIMAGE=/boot/kernel8.img
         _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | LC_ALL=C sed -e 's/^.*Linux/Linux/' | strings | awk '{ print $3; }')
     }
     echo "$_VER_RUN"