diff -Nru acpi-call-1.1.0/debian/changelog acpi-call-1.1.0/debian/changelog
--- acpi-call-1.1.0/debian/changelog	2019-05-31 15:33:13.000000000 +0000
+++ acpi-call-1.1.0/debian/changelog	2020-10-13 08:20:49.000000000 +0000
@@ -1,3 +1,9 @@
+acpi-call (1.1.0-5ubuntu1) focal; urgency=medium
+
+  * fix proc_ops declaration with linux 5.8
+
+ -- Andrea Righi <andrea.righi@canonical.com>  Tue, 13 Oct 2020 08:20:49 +0000
+
 acpi-call (1.1.0-5) unstable; urgency=medium
 
   * [302afec] Migrate project to Salsa
diff -Nru acpi-call-1.1.0/debian/patches/0004-Fix-proc-create-prototype-with-linux-5.8.patch acpi-call-1.1.0/debian/patches/0004-Fix-proc-create-prototype-with-linux-5.8.patch
--- acpi-call-1.1.0/debian/patches/0004-Fix-proc-create-prototype-with-linux-5.8.patch	1970-01-01 00:00:00.000000000 +0000
+++ acpi-call-1.1.0/debian/patches/0004-Fix-proc-create-prototype-with-linux-5.8.patch	2020-10-13 08:19:39.000000000 +0000
@@ -0,0 +1,21 @@
+--- a/acpi_call.c	2020-10-13 08:15:55.000000000 +0000
++++ b/acpi_call.c	2020-10-13 08:17:31.838848019 +0000
+@@ -318,11 +318,18 @@ static ssize_t acpi_proc_read( struct fi
+     return ret;
+ }
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
++static struct proc_ops proc_acpi_operations = {
++	.proc_read = acpi_proc_read,
++	.proc_write = acpi_proc_write,
++};
++#else
+ static struct file_operations proc_acpi_operations = {
+         .owner    = THIS_MODULE,
+         .read     = acpi_proc_read,
+         .write    = acpi_proc_write,
+ };
++#endif
+ 
+ #else
+ static int acpi_proc_read(char *page, char **start, off_t off,
diff -Nru acpi-call-1.1.0/debian/patches/series acpi-call-1.1.0/debian/patches/series
--- acpi-call-1.1.0/debian/patches/series	2019-05-31 15:31:36.000000000 +0000
+++ acpi-call-1.1.0/debian/patches/series	2020-10-13 08:19:39.000000000 +0000
@@ -1,3 +1,4 @@
 0003-Fix-memory-leak-on-args.patch
 0001-Fix-compatibility-with-Linux-3.17.patch
 0002-Fix-build-4.12-copy-from-user.patch
+0004-Fix-proc-create-prototype-with-linux-5.8.patch