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android/Documentation/ABI/testing/sysfs-class-power-twl4030
T
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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What: /sys/class/power_supply/twl4030_usb/mode
Description:
Changing mode for USB port.
Writing to this can disable charging.
Possible values are:
"auto" - draw power as appropriate for detected
power source and battery status.
"off" - do not draw any power.
"continuous"
- activate mode described as "linear" in
TWL data sheets. This uses whatever
current is available and doesn't switch off
when voltage drops.
This is useful for unstable power sources
such as bicycle dynamo, but care should
be taken that battery is not over-charged.
What: /sys/class/power_supply/twl4030_ac/mode
Description:
Changing mode for 'ac' port.
Writing to this can disable charging.
Possible values are:
"auto" - draw power as appropriate for detected
power source and battery status.
"off" - do not draw any power.