Battery charge limit setting lost after reboot

sgrin · 29 October 2023 11:21

Hi all,

I’ve set battery charge limit to 80% in System Settings->Power Management->Advanced Power Settings and it works ok.
But after reboot the value is set to 100% again.

After some googling I’ve tried tlpui as suggested here https://forum.manjaro.org/t/set-battery-charge-limit/141978/9 with no success.
Also I noticed that there is file /sys/class/power_supply/BAT0/charge_control_end_threshold which contains the value currently set up but no files /sys/class/power_supply/BAT0/charge_start_threshold and /sys/class/power_supply/BAT0/charge_stop_threshold which are mentioned in https://forum.manjaro.org/t/laptop-battery-charging-limit/138704/2.

How to make this setting persistent?

I’m on Asus Vivobook X1600

#inxi --full --admin --filter --width                                                                                                                                                                                         ✔ 
System:
  Kernel: 6.5.5-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
    clocksource: tsc available: acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.5-x86_64
    root=UUID=c63c1103-44d6-49f9-9e89-2e8b6c227d13 rw quiet splash
    resume=UUID=b87ef437-5c75-4b35-ab51-7dae2b0b449f udev.log_priority=3
  Desktop: KDE Plasma v: 5.27.8 tk: Qt v: 5.15.11 wm: kwin_x11 vt: 2 dm: SDDM
    Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: ASUSTeK product: Vivobook_ASUSLaptop X1603ZA_X1603ZA
    v: 1.0 serial: <superuser required>
  Mobo: ASUSTeK model: X1603ZA v: 1.0 serial: <superuser required>
    UEFI: American Megatrends LLC. v: X1603ZA.303 date: 09/07/2022
Battery:
  ID-1: BAT0 charge: 45.6 Wh (90.3%) condition: 50.5/50.0 Wh (101.1%)
    volts: 12.7 min: 11.9 model: ASUSTeK ASUS Battery type: Li-ion serial: N/A
    status: not charging cycles: 4
CPU:
  Info: model: 12th Gen Intel Core i7-12700H bits: 64 type: MST AMCP
    arch: Alder Lake gen: core 12 level: v3 note: check built: 2021+
    process: Intel 7 (10nm ESF) family: 6 model-id: 0x9A (154) stepping: 3
    microcode: 0x42C
  Topology: cpus: 1x cores: 14 mt: 6 tpc: 2 st: 8 threads: 20 smt: enabled
    cache: L1: 1.2 MiB desc: d-8x32 KiB, 6x48 KiB; i-6x32 KiB, 8x64 KiB
    L2: 11.5 MiB desc: 6x1.2 MiB, 2x2 MiB L3: 24 MiB desc: 1x24 MiB
  Speed (MHz): avg: 470 high: 933 min/max: 400/4600:4700:3500 scaling:
    driver: intel_pstate governor: powersave cores: 1: 400 2: 400 3: 400 4: 932
    5: 400 6: 933 7: 400 8: 400 9: 400 10: 400 11: 749 12: 400 13: 400 14: 400
    15: 400 16: 400 17: 400 18: 400 19: 400 20: 400 bogomips: 107560
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: retbleed status: Not affected
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Enhanced / Automatic IBRS, IBPB: conditional,
    RSB filling, PBRSB-eIBRS: SW sequence
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel Alder Lake-P GT2 [Iris Xe Graphics] vendor: ASUSTeK
    driver: i915 v: kernel arch: Gen-12.2 process: Intel 10nm built: 2021-22+
    ports: active: eDP-1 empty: HDMI-A-1 bus-ID: 0000:00:02.0
    chip-ID: 8086:46a6 class-ID: 0300
  Device-2: IMC Networks USB2.0 HD UVC WebCam driver: uvcvideo type: USB
    rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-9:3 chip-ID: 13d3:5463
    class-ID: fe01 serial: <filter>
  Display: x11 server: X.Org v: 21.1.8 compositor: kwin_x11 driver: X:
    loaded: modesetting alternate: fbdev,vesa dri: iris gpu: i915 display-ID: :0
    screens: 1
  Screen-1: 0 s-res: 1920x1200 s-dpi: 96 s-size: 508x317mm (20.00x12.48")
    s-diag: 599mm (23.57") monitors: <missing: xrandr>
  Monitor-1: eDP-1 model: AU Optronics 0x459d built: 2022 res: 1920x1200
    dpi: 142 gamma: 1.2 size: 344x215mm (13.54x8.46") diag: 406mm (16")
    ratio: 16:10 modes: 1920x1200
  API: EGL v: 1.5 hw: drv: intel iris platforms: device: 0 drv: iris
    device: 1 drv: swrast surfaceless: drv: iris x11: drv: iris
    inactive: gbm,wayland
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: intel mesa v: 23.1.9-manjaro1.1
    glx-v: 1.4 direct-render: yes renderer: Mesa Intel Graphics (ADL GT2)
    device-ID: 8086:46a6 memory: 11.12 GiB unified: yes
  API: Vulkan v: 1.3.264 layers: N/A device: 0 type: integrated-gpu
    name: Intel Graphics (ADL GT2) driver: mesa intel v: 23.1.9-manjaro1.1
    device-ID: 8086:46a6 surfaces: xcb,xlib
Audio:
  Device-1: Intel Alder Lake PCH-P High Definition Audio vendor: ASUSTeK
    driver: snd_hda_intel v: kernel alternate: snd_sof_pci_intel_tgl
    bus-ID: 0000:00:1f.3 chip-ID: 8086:51c8 class-ID: 0403
  API: ALSA v: k6.5.5-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 0.3.81 status: off with: pipewire-media-session
    status: active tools: pw-cli
  Server-3: PulseAudio v: 16.1 status: active with: pulseaudio-alsa
    type: plugin tools: pacat,pactl
Network:
  Device-1: Intel Alder Lake-P PCH CNVi WiFi driver: iwlwifi v: kernel
    bus-ID: 0000:00:14.3 chip-ID: 8086:51f0 class-ID: 0280
  IF: wlo1 state: up mac: <filter>
Bluetooth:
  Device-1: Intel AX201 Bluetooth driver: btusb v: 0.8 type: USB rev: 2.0
    speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-10:4 chip-ID: 8087:0026
    class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 3 state: down bt-service: enabled,running
    rfk-block: hardware: no software: yes address: see --recommends
RAID:
  Hardware-1: Intel Volume Management Device NVMe RAID Controller driver: vmd
    v: 0.6 port: N/A bus-ID: 0000:00:0e.0 chip-ID: 8086:467f rev: class-ID: 0104
Drives:
  Local Storage: total: 476.94 GiB used: 25.41 GiB (5.3%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Micron model: 2210 MTFDHBA512QFD
    size: 476.94 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 tech: SSD serial: <filter> fw-rev: P6MA007 temp: 36.9 C
    scheme: GPT
Partition:
  ID-1: / raw-size: 118.1 GiB size: 115.69 GiB (97.96%) used: 25.41 GiB (22.0%)
    fs: ext4 dev: /dev/nvme0n1p8 maj-min: 259:8
  ID-2: /boot/efi raw-size: 512 MiB size: 511 MiB (99.80%)
    used: 288 KiB (0.1%) fs: vfat dev: /dev/nvme0n1p6 maj-min: 259:6
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default) zswap: yes
    compressor: zstd max-pool: 20%
  ID-1: swap-1 type: partition size: 2 GiB used: 0 KiB (0.0%) priority: -2
    dev: /dev/nvme0n1p7 maj-min: 259:7
Sensors:
  System Temperatures: cpu: 46.0 C mobo: N/A
  Fan Speeds (rpm): cpu: 2100
Info:
  Processes: 361 Uptime: 6h 35m wakeups: 4953 Memory: total: 12 GiB note: est.
  available: 11.38 GiB used: 5.17 GiB (45.4%) Init: systemd v: 254
  default: graphical tool: systemctl Compilers: gcc: 13.2.1 clang: 16.0.6
  Packages: pm: pacman pkgs: 1384 libs: 367 tools: pamac pm: flatpak pkgs: 0
  Shell: Zsh v: 5.9 default: Bash v: 5.1.16 running-in: konsole inxi: 3.3.30

Mirdarthos · 29 October 2023 11:39

Hi @sgrin, and welcome!

In order for us, or anyone for that matter, to be able to provide assistance, more information is necessary. To that end, please see:

Please also note and heed: Forum Rules - Manjaro

Hope you manage!

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soundofthunder · 29 October 2023 11:51

If your machine is a Lenovo, commands similar to these might suffice:

sudo tpacpi-bat -g 1 80
sudo tpacpi-bat -g 2 80

Successful completion depends on having tlp and tpacpi-bat installed:

sudo pacman -S tlp tpacpi-bat

You might have success creating a Systemd service to persist the settings, although this should not normally be necessary. Again, this example is for Lenovo laptops;

Create and edit a service file using your favourite text editor; for example, something like:

sudo nano /etc/systemd/system/battery-charge-threshold.service

Add the following content:

[Unit]
Description=Set battery charge thresholds

[Service]
Type=oneshot
ExecStart=/usr/bin/tpacpi-bat -g 1 60
ExecStart=/usr/bin/tpacpi-bat -g 2 80

[Install]
WantedBy=multi-user.target

Save the file, and then enable the service:

sudo systemctl enable battery-charge-threshold.service

For any other brand of laptop

Be mindful that this may not work on all laptops:

Teo · 29 October 2023 12:31

This is extremely model dependent, the interfaces in the sys vary greatly. Tell us your Laptop exact model.

linux-aarhus · 29 October 2023 12:56

While Plasma may offer tho optione - not all devices supports it - unfortunately

Most probably your device does not support thresholding.

You cannot if your device does not support it.

A custom script is another option for devices which do not support a threshold.

[root tip] [Utility Script] Charger Notifier - battery state

Teo · 29 October 2023 15:33

https://wiki.archlinux.org/title/Category:Laptops

This page is your best friend. For example, for ideapads, but not thinkpads, it will be

echo 1| sudo /usr/bin/tee /sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode

It is different for thinkpads, Acer and others. I doubt Plasma detects it always correctly for all models, so you have interface that does…nothing, most plobably.

sgrin · 29 October 2023 18:05

Thanks a lot!

Solved by reading https://wiki.archlinux.org/title/Category:ASUS, installing asusctl(AUR) and running asusctl -c 80

system · 29 October 2023 21:06

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