Re: [PATCH 3/4] ACPI / battery: Add handling for devices which wrongly report discharging state

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Hi,

On 11-04-18 19:47, Daniel Drake wrote:
On Wed, Apr 11, 2018 at 11:42 AM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
Either way userspace regressions are a big no-no and there are enough
people running new kernels with an old(ish) userspace for this to be
a real problem, so we really need to go with FULL for now.

Would it be a regression though? According to your analysis userspace
is already reporting an inaccurate state.

Hmm, you are right, so if we do the right thing and resort
NOT_CHARGING then upower will end up reporting UNKNOWN to
the desktop environment instead of the current DISCHARGING,
which is a small improvement already, although some may see
this as a regression.

So I've just checked what GNOME3 does with upower translating
the "not charging" or in upower terms "pending-charge" for the
BATC device to "unknown" for the display device which is what
most DE-s use. This results in a battery icon with a ? inside
it being shown, which is actually an improvement over the
discharging icon shown before.

And you are right, that since currently we are reporting discharging
in this case, which certainly is wrong, this is not a regression.

So I will do a v2 of this patch-set switching to NOT_CHARGING
so that we fix this correctly in one go.

Regards,

Hans



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