Re: HID battery strength does not emit power_suppy udev events

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2013/1/2 Przemo Firszt <przemo@xxxxxxxxx>:
>
> Dnia 1 Stycznia 2013, 8:39 pm, Wt, Daniel Nicoletti napisał(a):
>> Well from your logs you can see the udev emitted an 'add ' for
>> wacom_battery, the odd part is that it sends several add for the battery.
>
> It's KERNEL and UDEV, so i think it's OK - no duplicates.
>
>> Wacom tablets have a different code from handling the battery, i wrote the
>> code that'sgeneric for hid devices, and the battery part looks like a lot
>> when looking to tje wacom one but it doesn't emits 'add ' or 'del '
>> events...
>> I'm not kernel dev and after reading docs and digging some code I 'm still
>> clueless about it...
>>
> You might add a few "printk" in hidinput_setup_battery (in kernel
> drivers/hid/hid-input.c) to see if everything goes OK.
>
> What's your device?
> --
> Regards,
> Przemo Firszt
>
I have all Apple bluettoth devices (keyboard, mouse, trackpad), this behavior
will happen with any bt device that uses generic HID battery strenth descriptor,
from some docs I read that when registering with udev you must say if the
parent has been registered already, but I can't find the code which describes
that.
There's nothing wrong with my patch regarding the probe for the battery status,
but it clearly doesn't follow some rule to add the power_supply infrastructure,
I wish I could know what is missing...

Best,

--
Daniel Nicoletti

KDE Developer - http://dantti.wordpress.com
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