linux-kernel - Re: [PATCH] Bluetooth: Keep a copy of each HID device's report descriptor.

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Message-ID: <4B71795A.7000000@gmail.com>
Date:	Tue, 09 Feb 2010 07:03:54 -0800
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Bastien Nocera <hadess@...ess.net>
CC:	Ed Tomlinson <edt@....ca>, Marcel Holtmann <marcel@...tmann.org>,
	Michael Poole <mdpoole@...ilus.org>,
	Jiri Kosina <jkosina@...e.cz>,
	"Gunn, Brian" <bgunn@...ekai.com>, Ping <pinglinux@...il.com>,
	linux-kernel@...r.kernel.org,
	BlueZ development <linux-bluetooth@...r.kernel.org>
Subject: Re: [PATCH] Bluetooth: Keep a copy of each HID device's report  descriptor.

On 02/09/10 02:14, Bastien Nocera wrote:
> On Mon, 2010-02-08 at 23:22 -0800, Justin Mattock wrote:
>>> TIA
>>> Ed Tomlinson
>>>
>>> On Friday 05 February 2010 12:51:43 Marcel Holtmann wrote:
>>>> Hi Michael,
>>>>
>>>>>> looks good to me. I just prefer that you do the allocation of the report
>>>>>> descriptor before the HID object:
>>>>>
>>>>> An updated patch is below.  Sorry for the delay -- inclement weather
>>>>> here got in the way of testing this as quickly as I would have liked.
>>>>>
>>>>>  From e245ef87247f5e257db40c412af7991c9af375ab Mon Sep 17 00:00:00 2001
>>>>> From: Michael Poole<mdpoole@...ilus.org>
>>>>> Date: Fri, 5 Feb 2010 12:21:38 -0500
>>>>> Subject: [PATCH] Bluetooth: Keep a copy of each HID device's report descriptor.
>>>>>
>>>>> The report descriptor is read by user space (via the Service
>>>>> Discovery Protocol), so it is only available during the ioctl
>>>>> to connect.  However, the probe function that needs the
>>>>> descriptor might not be called until a specific module is
>>>>> loaded.  Keep a copy of the descriptor so it is available for
>>>>> later use.
>>>>
>>>> patch has been applied. Thanks.
>>>>
>>>> Regards
>>>>
>>>> Marcel
>>>>
>>>>
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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>>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>> Please read the FAQ at  http://www.tux.org/lkml/
>>
>>
>>> Hi,
>>>
>>> I have been trying to test Michael's magic mouse drivers against 32.7 (or .8-rc).   Is there a tree
>>> based on .32 with these patches?  If not would it be possible to post the patches to lkml?  I do not
>>> mind sorting out a few conflicts - this thread assume one knows a little more about the process being
>>> used here than is obvious.
>>>
>>
>>
>> just got one of those magic things as well.
>> I did apply the patchs to the current HEAD, but
>> am getting a lifeless result i.g. here's what I did:
>>
>> sudo /usr/bin/hcitool scan
>> sudo /usr/bin/simple-agent hci0 D4:9A:20:88:C7:48

pin was already done at this point i.g. after 0000 was able to use
the mouse(no scroll function), but was able to work.
>> sudo /usr/bin/dbus-send --system --dest=org.bluez --print-reply
>> /org/bluez/1897/hci0/dev_D4_9A_20_88_C7_48 org.bluez.Input.Connect
>> sudo /usr/bin/test-device trusted D4:9A:20:88:C7:48
>>

this is to verify that you want to trust this device.
after this you should always be connected even after a reboot.
in this case magic mouse was not functioning after a reboot.

>> the thing works after that(no scroll), fast cursor though.
>> then reboot
>> once up and running nothing.
>> cat /var/log/daemon.log (shows this)
>>
>> Feb  8 22:57:40 Linux-1 bluetoothd[1973]: link_key_request
>> (sba=00:25:00:C0:6C:4F, dba=D4:9A:20:88:C7:48)
>> Feb  8 22:58:21 Linux-1 bluetoothd[1973]: last message repeated 5 times
>> Feb  8 22:59:21 Linux-1 bluetoothd[1973]: last message repeated 3 times
>> Feb  8 23:03:10 Linux-1 bluetoothd[1973]: link_key_request
>> (sba=00:25:00:C0:6C:4F, dba=D4:9A:20:88:C7:48)
>
> That means that your computer and the mouse aren't paired. The pin code
> for Apple mice is usually "0000" (as opposed to most mice which don't
> need pairing, just a poke and setting as trusted).
>

I'll spend some time today(need a break from looking at another 
problem), to see if I can get this thing functioning.


>> (could be missing something though(don't use gnome/kde-bluetooth)although
>> mightymouse works).
>
> Cheers
>
>

Justin P. Mattock
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