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Battery charging threshold #62

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tsitavets opened this issue May 9, 2020 · 2 comments
Closed

Battery charging threshold #62

tsitavets opened this issue May 9, 2020 · 2 comments
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@crawfxrd

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@tsitavets
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It would be great to implement battery charging threshold to increase battery lifespan when working a lot from AC. For example stop charging at 80% and start charging again at 60%. It would be nice to have keyboard shortcut to enable/disable feature and to have a possibility to change thresholds somehow (because optimal thresholds levels depend on battery usage). Also we can blink by power led to tell user is feature enabled (one time blink) /disabled (two times blink) upon pressing keyboard shortcut.
@meklort meklort mentioned this issue May 19, 2020
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@crawfxrd crawfxrd self-assigned this Jun 11, 2020
@crawfxrd
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Battery charging thresholds are implemented. Currently compile-time only. Need to add ACPI support and expose it in sysfs.

@crawfxrd
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Charging thresholds can now be set/queried with SBCT/GBCT ACPI methods [1].

system76_acpi has been updated to expose data in standard sysfs entries /sys/class/power_supply/BAT0/charge_control_{start,end}_threshold [2].

See also: pop-os/gnome-control-center#101

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@crawfxrd @tsitavets