From mboxrd@z Thu Jan  1 00:00:00 1970
From: Octoploid <cryptooctoploid@gmail.com>
Subject: Re: Logitech M705 thumb button
Date: Wed, 31 Mar 2010 14:54:20 +0200
Message-ID: <i2m319012f1003310554gd0a6a9fej27838c2c63bac171@mail.gmail.com>
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To: Jiri Kosina <jkosina@suse.cz>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-input@vger.kernel.org

On Wed, Mar 31, 2010 at 2:05 PM, Jiri Kosina <jkosina@suse.cz> wrote:
> On Tue, 30 Mar 2010, Octoploid wrote:
>
>> > Could you please provide output of
>> >
>> > =A0 =A0 =A0 =A0cat /sys/kernel/debug/hid/<device>/rdesc
>> >
>> > and
>> >
>> > =A0 =A0 =A0 =A0cat /sys/kernel/debug/hid/<device>/events
>> >
>>
>> Sure:
>>
>> There are no events logged when I press the thumb button
>> while running cat /sys/kernel/debug/hid/0003:046D:C52B.0002/events.
>>
>> (The =BBunifying USB reciever=AB has three sub-devices. The first on=
e is
>> for keyboards, the second for mouses and the third is not used:
>> usb 3-1: new full speed USB device using ohci_hcd and address 2
>> input: Logitech USB Receiver as
>> /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.0/input/input2
>> generic-usb 0003:046D:C52B.0001: input,hidraw0: USB HID v1.11 Keyboa=
rd
>> [Logitech USB Receiver] on usb-0000:00:12.0-1/input0
>> input: Logitech USB Receiver as
>> /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.1/input/input3
>> generic-usb 0003:046D:C52B.0002: input,hiddev96,hidraw1: USB HID v1.=
11
>> Mouse [Logitech USB Receiver] on usb-0000:00:12.0-1/input1
>> generic-usb 0003:046D:C52B.0003: hiddev97,hidraw2: USB HID v1.11
>> Device [Logitech USB Receiver] on usb-0000:00:12.0-1/input2)
>>
>> The rdesc output for the mouse and the third device follows:
>
> Thanks for providing the output.
>
> The device defines 16 buttons in its report descriptor. How much does=
 it
> actually physically have?

8 if I count correctly (left,middle,right,scrollwheel left,scrollwheel =
right,
forward, backward and the hidden (the non working) thumb button).
Here is a photo of the mouse (the hidden button is located under the
white underscore below the back and forward buttons):
http://www.techfresh.net/wp-content/uploads/2010/03/logitech_m705.jpg

> Is the other (non-used) interface also silent when you press the
> non-working button? (I can see that it is claimed by HID as well).

Yes.

> Could you please apply the patch below and check whether there is sti=
ll no
> event present when you press the button?
>

Yes, unfortunately there are still no events even with the patch applie=
d.
(I've tested both interfaces)
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