Re: LED devices & poll() for brightness attribute

Hans de Goede
2017-02-24T08:53:03Z

Hi,

On 24-02-17 09:50, Pali Rohár wrote:
> On Thursday 23 February 2017 22:03:21 Pavel Machek wrote:
>> So, if you seriously want to do this, can you
>>
>> 1) write specification explaining how desktops should poll() the
>> brightness files
>>
>> 2) get someone to volunteer to implement that specification for at
>> least GNOME and KDE?
>
> Hm... Probably I should try to implement it myself :-) and look deeply
> what I'm proposing...
>
> Hans, you probably already did some changes for hw brightness changed
> attribute... Do you have some links or application parts which handle
> this for GNOME, KDE or other DE? So I could look at correct application?
>
> IIRC KDE4 uses upowerd for controlling keyboard backlight.

Gnome uses upower too, and current upower master has patches to
support brightness_hw_changed which you could use as a start.

Regards,

Hans