Issue #427 has been updated by Angel Pons.

Could you please check if the "battery not charging" issues are still present 
when *not* using any software to mess with the thresholds? To properly test, 
please make sure the EC (Embedded Controller) gets reset: power off the laptop 
and remove all batteries and the AC adapter.

----------------------------------------
Bug #427: x200: Two battery charging issues
https://ticket.coreboot.org/issues/427#change-1154

* Author: Akura Ryu
* Status: New
* Priority: High
* Category: board support
* Target version: master
* Start date: 2022-10-14
* Affected versions: master
* Needs backport to: master
* Affected hardware: ThinkPad X200
* Affected OS: Linux
----------------------------------------
I've flashed my ThinkPad X200 with coreboot. Currently it has trouble when 
charging.

## 1. Charge state mismatch
When I plug in my AC adapter, system always reports " **Not charging** ". 

Here's the output from the `acpi` utility:
```
Battery 0: Not charging, 23%
Adapter 0: on-line
```
 
But weirdly, battery level is still increasing as the AC adapter is on-line.

What's more, it still reports "Not charging" when AC adapter is detached 
(normally it should be "Discharging").

## 2. Battery threshold doesn't seem to work.

Since tp_smapi is unusable without stock firmware, I use `tpacpi-bat` to 
configure battery threshold. My KDE battery indicator can recognize these 
thresholds.

```sh
sudo tpacpi-bat -s ST 1 88    # Start threshold
sudo tpacpi-bat -s SP 1 90    # Stop threshold
```

But no matter how I charge, battery will always be fully charged.

## Revision
- **OS**: Arch Linux with KDE
- **Coreboot revision**: 93781523a
- **Configuration**: See attachment

---Files--------------------------------
.config (18.8 KB)


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