$ sudo apt install acpi-call-dkms
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  acpi-call-dkms
0 upgraded, 1 newly installed, 0 to remove and 4 not upgraded.
Need to get 13,6 kB of archives.
After this operation, 48,1 kB of additional disk space will be used.
Get:1 https://repo.pureos.net/pureos amber/main amd64 acpi-call-dkms all 1.1.0-5 [13,6 kB]
Fetched 13,6 kB in 1s (15,5 kB/s)          
Selecting previously unselected package acpi-call-dkms.
(Reading database ... 323824 files and directories currently installed.)
Preparing to unpack .../acpi-call-dkms_1.1.0-5_all.deb ...
Unpacking acpi-call-dkms (1.1.0-5) ...
Setting up acpi-call-dkms (1.1.0-5) ...
Loading new acpi-call-1.1.0 DKMS files...
Building for 4.19.0-5-amd64
Building initial module for 4.19.0-5-amd64
Done.

acpi_call.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/4.19.0-5-amd64/extra/

depmod...

DKMS: install completed.
Scanning processes...                                                                                                                                                         
Scanning linux images...                                                                                                                                                      

Running kernel seems to be up-to-date.

Failed to check for processor microcode upgrades.

No services need to be restarted.

No containers need to be restarted.

No user sessions are running outdated binaries.

$ sudo modprobe acpi-call
modprobe: ERROR: could not insert 'acpi_call': Exec format error