https://bugs.kde.org/show_bug.cgi?id=424217

ratijas <m...@ratijas.tk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |m...@ratijas.tk
         Resolution|---                         |NOT A BUG
             Status|REPORTED                    |RESOLVED

--- Comment #1 from ratijas <m...@ratijas.tk> ---
Logitech M185 is a wireless mouse indeed, but I checked its produce page and it
nowhere mentions the Bluetooth; it seems like it only supports a USB
transceiver:

https://wwwtest.logitech.com/en-us/products/mice/m185-wireless-mouse.910-002225.html

> Connectivity
> 
>    Connection Type: 2.4 GHz wireless connection
>    Wireless range: 33 ft (10 m)
>    Connect / Power: Yes, on/off switch

So, this bug report has nothing to do with Linux Bluetooth stack in general or
Plasma/Bluedevil in particular. 

Devices connected via USB are generally allowed to wake the system up from
sleep, unless you override that with some kernel parameters or by writing in
/sys/class/something. I bet you'd still want the mouse to be able to wake your
system up when you actually move or click it though. Waking up on disconnect
sounds like a device issue, and only Lenovo could possibly fix that with an
update to their transceiver's firmware (spoiler alert: they probably wouldn't
care). In general, there are no strict rules which types of events should emit
a "wake up" signal on USB bus, so all vendors and models of mice implement it
in slightly different ways; it's just inconsistent and cursed.

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