Battery Charge Limit and Low Battery Warning – Framework Laptop 13 (AMD Ryzen AI)

serafean · July 23, 2025, 4:22pm

Hi, I’ve been through exactly this :

github.com/FrameworkComputer/SoftwareFirmwareIssueTracker

Unsupported userspace charge control

opened 03:47PM - 21 May 25 UTC

closed 08:54AM - 09 Jun 25 UTC

## Device Information ### System Model or SKU Please select one of the followi…ng - [ ] Framework Laptop 13 (11th Gen Intel® Core™) - [ ] Framework Laptop 13 (12th Gen Intel® Core™) - [ ] Framework Laptop 13 (13th Gen Intel® Core™) - [ ] Framework Laptop 13 (AMD Ryzen™ 7040 Series) - [ ] Framework Laptop 13 (Intel® Core™ Ultra Series 1) - [x] Framework Laptop 13 (AMD Ryzen™ AI 300 Series) - [ ] Framework Laptop 16 (AMD Ryzen™ 7040 Series) ### BIOS VERSION 3.03 ### DIY Edition information - Memory: [Crucial CT2K16G56C46S5](https://uk.crucial.com/memory/DDR5/CT2K16G56C46S5) 32GB DDR5-5600 SODIMM - Storage: [SK hynix Platinum P41](https://ssd.skhynix.com/platinum_p41/) 1TB SSD ### Port/Peripheral information 1. USB-C expansion card: Framework 60W charger 2. USB-C expansion card (no peripheral) 3. USB-C expansion card (no peripheral) 4. USB-C expansion card (no peripheral) ### Standalone Operation - [ ] Yes - [x] No ## Describe the bug Loading `cros_charge-control` with [probe_with_fwk_charge_control=1](https://github.com/torvalds/linux/blob/4a95bc121ccdaee04c4d72f84dbfa6b880a514b6/drivers/power/supply/cros_charge-control.c#L253-L256) _should_ provide `/sys/class/power_supply/BAT1/charge_control_{start,end}_threshold` for userspace charge control e.g. [GNOME 48's Preserve Battery Health](https://release.gnome.org/48/#preserve-battery-health) feature. This doesn't work on the AI 300 series (BIOS 3.03). On the 7040's, BIOS 3.09 [caused a regression](https://github.com/FrameworkComputer/SoftwareFirmwareIssueTracker/issues/52#issuecomment-2884949366). ## Operating System (please complete the following information): - OS/Distribution: NixOS - Version: 25 - Linux Kernel Version: 6.14.6

TLDR: it’s in progress…

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Battery Charge Limit and Low Battery Warning – Framework Laptop 13 (AMD Ryzen AI)

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