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SubjectRe: linux-next on thinkpad x60: full battery is indicated as battery error in mate
On Mon, Mar 12, 2018 at 8:49 PM, Pavel Machek <pavel@ucw.cz> wrote:
> On Mon 2018-03-12 20:47:15, Pavel Machek wrote:
>> Hi!
>>
>> Did something change recently with battery reporting?

Yes, it did, and specifically for Thinkpads.

>> Fully charged
>> battery shows as empty battery with red "x" in Mate desktop. After
>> reboot to recent mainline problem goes away. Tooltip says "battery
>> waiting to charge".
>>
>> /proc/acpi/battery/BAT0/state looks ok:
>> present: yes
>> capacity state: ok
>> charging state: charged
>> present rate: 0 mW
>> remaining capacity: 41240 mWh
>> present voltage: 16495 mV
>>
>> Linux amd 4.16.0-rc3-next-20180302 #30 SMP Fri Mar 2 10:28:44 CET 2018
>> i686 GNU/Linux
>> pavel@amd:~$ cat /sys/class/power_supply/BAT0/status
>> Not charging
>
> Reboot to mainline:
>
> pavel@amd:~$ uname -a
> Linux amd 4.16.0-rc4+ #509 SMP Thu Mar 8 15:28:06 CET 2018 i686
> GNU/Linux
> pavel@amd:~$ cat /sys/class/power_supply/BAT0/status
> Unknown
>
> Mate shows it as "laptop battery is fully charged".
>
>> Thinkpad X60.

Please try to revert commits fa93854f7a7e..a20136a67a99 from
linux-next and see if that helps.

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