2014-03-07 10:43 GMT+07:00 Lan Tianyu <tianyu.lan@xxxxxxxxx>:
> Sorry for later response due to be busy on other things.
>
> Hi Alexander:
>
> From the DSDT table, _Q08 is in change of notifying AC driver.
> So you can check "/sys/firmware/acpi/interrupts/gpe08". Whether the count
> increases or not during plugging or unplugging AC.
>
> According the description, the _Q08 wasn't triggered.
cat /sys/firmware/acpi/interrupts/gpe08
0 invalid
Always.
> I think you can use acpi_notifier_call_chain() here and register acpi
> notifier in the AC driver. When get the Battery change event, call
> acpi_ac_get_state(ac). From my view, this is more general than traverse all
> power supply device and call AC's get_property() callback in battery driver.
Thanks for this suggestion. This looks like better solution for me
too. I'll prepare v3 soon.
>
> --
> Best Regards
> Tianyu Lan
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