[Bluez-users] Disabling HID Boot Protocol

[Bluez-users] Disabling HID Boot Protocol

[Florian Echtler]

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Hello everyone,

I'm using a MS Bluetooth Optical Desktop and would like to
use the hotkeys again. I have kernel 2.6.8.1-mh1 and bluez-utils
2.10.. According to the mailing list archives, this version of 
hidp.ko should already support report mode, however, I couldn't
find any description on how to enable it. I suppose it's necessary
to pass the correct "-b <subclass>" parameter to hidd?

hcidump -x doesn't show any packets when the multimedia keys
are pressed, so I suspect the boot protocol is still in use,
even though hidd --show doesn't say so.

Yours, Florian
- -- 
Homo homini lupus.
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Re: [Bluez-users] Disabling HID Boot Protocol

[Marcel Holtmann]

Hi Florian,

> I'm using a MS Bluetooth Optical Desktop and would like to
> use the hotkeys again. I have kernel 2.6.8.1-mh1 and bluez-utils
> 2.10.. According to the mailing list archives, this version of 
> hidp.ko should already support report mode, however, I couldn't
> find any description on how to enable it. I suppose it's necessary
> to pass the correct "-b <subclass>" parameter to hidd?

the subclass parameter is only for overriding the value if the SDP
records are wrong. Check with hidd and if it tells you something about
boot mode then you are in boot mode, otherwise it uses report mode
automaticly. So what does "hidd --show" say?

Regards

Marcel




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Re: [Bluez-users] Disabling HID Boot Protocol

[Florian Echtler]

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> > I'm using a MS Bluetooth Optical Desktop and would like to
> > use the hotkeys again. I have kernel 2.6.8.1-mh1 and bluez-utils
> > 2.10.. According to the mailing list archives, this version of 
> > hidp.ko should already support report mode, however, I couldn't
> > find any description on how to enable it. I suppose it's necessary
> > to pass the correct "-b <subclass>" parameter to hidd?
> the subclass parameter is only for overriding the value if the SDP
> records are wrong. Check with hidd and if it tells you something about
> boot mode then you are in boot mode, otherwise it uses report mode
> automaticly. So what does "hidd --show" say?

[root@block:~][0] $ hidd --show
00:50:F2:7E:DF:AE Microsoft Five Button Mouse [045e:007c] connected 
00:50:F2:80:47:83 Microsoft Bluetooth keyboard [045e:007b] connected 
[root@block:~][0] $ 

However, still no reaction from the multimedia keys, at least none
in hcidump. Perhaps I should try 2.6.9-mh1?

Yours, Florian
- -- 
Homo homini lupus.
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Re: [Bluez-users] Disabling HID Boot Protocol

[Marcel Holtmann]

Hi Florian,

> > > I'm using a MS Bluetooth Optical Desktop and would like to
> > > use the hotkeys again. I have kernel 2.6.8.1-mh1 and bluez-utils
> > > 2.10.. According to the mailing list archives, this version of 
> > > hidp.ko should already support report mode, however, I couldn't
> > > find any description on how to enable it. I suppose it's necessary
> > > to pass the correct "-b <subclass>" parameter to hidd?
> > the subclass parameter is only for overriding the value if the SDP
> > records are wrong. Check with hidd and if it tells you something about
> > boot mode then you are in boot mode, otherwise it uses report mode
> > automaticly. So what does "hidd --show" say?
> 
> [root@block:~][0] $ hidd --show
> 00:50:F2:7E:DF:AE Microsoft Five Button Mouse [045e:007c] connected 
> 00:50:F2:80:47:83 Microsoft Bluetooth keyboard [045e:007b] connected 

your two devices are using the report mode, otherwise you won't even see
their names and VID:PID.

> However, still no reaction from the multimedia keys, at least none
> in hcidump. Perhaps I should try 2.6.9-mh1?

You see nothing in hcidump, when you press them? That is strange. What
are the first HIDP messages for the keyboard in hcidump?

Regards

Marcel




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Re: [Bluez-users] Disabling HID Boot Protocol

[Florian Echtler]

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> > However, still no reaction from the multimedia keys, at least none
> > in hcidump. Perhaps I should try 2.6.9-mh1?
> You see nothing in hcidump, when you press them? That is strange. What
> are the first HIDP messages for the keyboard in hcidump?
The first HIDP thing the keyboard says after connection:

> ACL data: handle 0x002c flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 19]
      HIDP: Data: Input report
      01 00 00 2C 00 00 00 00 00 
> ACL data: handle 0x002c flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 19]
      HIDP: Data: Input report
      01 00 00 00 00 00 00 00 00 

I recorded a BT dump which shows the keyboard connecting and two
keypresses (Space and the mute button). If desired, I can send it
to you personally.

Yours, Florian
- -- 
Homo homini lupus.
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