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lenovo x1 carbon gen6: update S3 suspend

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With UEFI >= 1.30, there's an explicit option to enable S3 power management.
Once this is selected, S3 is enabled and "deep" is selected as the default
/sys/power/mem_sleep value without requiring any kernel boot parameters.
This commit is contained in:
Benjamin Hipple 2018-12-27 17:29:47 -05:00
parent 1e2c130d38
commit bd1ef85b98
1 changed files with 3 additions and 12 deletions
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15
lenovo/thinkpad/x1/6th-gen/default.nix
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@ -2,7 +2,9 @@
# standing with kernel 4.6.11 is the following wiki page:
# https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6). The
# TrackPoint and TouchPad issues there seem to have been fixed already.
#
# Enable the lower-power S3 suspend state by upgrading the BIOS to version >= 1.30,
# then manually selecting Linux in the power management section.
{ config, pkgs, ... }:
{
imports = [
@ -18,15 +20,4 @@
CPU_SCALING_GOVERNOR_ON_BAT=powersave
ENERGY_PERF_POLICY_ON_BAT=powersave
'';
# Enable S3 suspend state: you have to manually follow the
# instructions shown here: https://delta-xi.net/#056 in order to
# produce the ACPI patched table. Put the CPIO archive in /boot and
# then enable the following lines
# boot.kernelParams = [
# "mem_sleep_default=deep"
# ];
# boot.initrd.prepend = [
# "${/boot/acpi_override}"
# ];
}