[Bluez-users] Control ACL link from user-space?

[Bluez-users] Control ACL link from user-space?

[Michal Semler (volny.cz)]

Hi Marcel,

is it possible to control ACL link of HID devices from userspace?
When my screen-saver starts, it should call ACL disconnect to save power of 
mouse and keyboard.

Your opinion?

Michal


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Re: [Bluez-users] Control ACL link from user-space?

[Marcel Holtmann]

Hi Michal,

> is it possible to control ACL link of HID devices from userspace?
> When my screen-saver starts, it should call ACL disconnect to save power of 
> mouse and keyboard.

the current bthid contains an idle timeout after that it disconnects the
two L2CAP channels and thus the ACL link. However the HID specification
makes it clear that the HID device itself has to ensure that is consumes
less power as possible. The Microsoft devices are very good with power
saving, but the Apple devices are not so good. Actually the use of sniff
mode saves already much power.

Regards

Marcel




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Re: [Bluez-users] Control ACL link from user-space?

[Michal Semler (volny.cz)]

Dne =FAt 23. b=F8ezna 2004 00:30 jste napsal(a):
> Hi Michal,
>
> > is it possible to control ACL link of HID devices from userspace?
> > When my screen-saver starts, it should call ACL disconnect to save power
> > of mouse and keyboard.
>
> the current bthid contains an idle timeout after that it disconnects the
> two L2CAP channels and thus the ACL link. However the HID specification
> makes it clear that the HID device itself has to ensure that is consumes
> less power as possible. The Microsoft devices are very good with power
> saving, but the Apple devices are not so good. Actually the use of sniff
> mode saves already much power.

Hmmm...I thougth if I my own could disconnect ACL link? It's clear, that=20
devices knows it. But for example my MS disconnects after 12 mins, but=20
sometimes I need disconnect it imeditially - when I close my laptop etc.

Does the norm allow it?=20

Michal

>
> Regards
>
> Marcel


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