Message-ID: <b45b7d5f-0ac6-fc19-0e5c-59fea6211e6a@compro.net>
Date:   Wed, 10 Mar 2021 15:49:01 -0500
From:   Mark Hounschell <markh@...pro.net>
To:     Filipe Laíns <lains@...hlinux.org>,
        Jiri Kosina <jkosina@...e.cz>, sashal@...nel.org,
        Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Logitech G602 wireless mouse kernel error messages in 5.10.11+
 kernels

On 3/10/21 3:24 PM, Mark Hounschell wrote:
> On 3/10/21 2:56 PM, Filipe Laíns wrote:
>> On Wed, 2021-03-10 at 13:55 -0500, Mark Hounschell wrote:
>>> I have been using a Logitech wireless G602 mouse since forever. As of
>>> kernel 5.10.11 I get the following kernel messages;
>>>
>>>
>>> $dmesg | grep -i logitech
>> (snip)
>>> .
>>> .
>>> .
>>> Every mouse event seems to produce another "Unexpected input report
>>> number 128" kernel message.
>>>
>>> The commit that started this is:
>>>
>>> commit 1e6fc9768ed2c3917e1fd7af26cb194dfe14f7da
>>> Author: Filipe Laíns <lains@...hlinux.org>
>>> Date:   Mon Jan 4 20:47:17 2021 +0000
>>>
>>>       HID: logitech-dj: add the G602 receiver
>>>
>>>       [ Upstream commit e400071a805d6229223a98899e9da8c6233704a1 ]
>>>
>>>       Tested. The device gets correctly exported to userspace and I 
>>> can see
>>>       mouse and keyboard events.
>>>
>>>       Signed-off-by: Filipe Laíns <lains@...hlinux.org>
>>>       Signed-off-by: Jiri Kosina <jkosina@...e.cz>
>>>       Signed-off-by: Sasha Levin <sashal@...nel.org>
>>>
>>> The actual patch:
>>>
>>> diff --git a/drivers/hid/hid-logitech-dj.c 
>>> b/drivers/hid/hid-logitech-dj.c
>>> index 1ffcfc9a1e033..45e7e0bdd382b 100644
>>> --- a/drivers/hid/hid-logitech-dj.c
>>> +++ b/drivers/hid/hid-logitech-dj.c
>>> @@ -1869,6 +1869,10 @@ static const struct hid_device_id
>>> logi_dj_receivers[] = {
>>>             HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>>>                   0xc531),
>>>            .driver_data = recvr_type_gaming_hidpp},
>>> +       { /* Logitech G602 receiver (0xc537) */
>>> +         HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>>> +               0xc537),
>>> +        .driver_data = recvr_type_gaming_hidpp},
>>>           { /* Logitech lightspeed receiver (0xc539) */
>>>             HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>>>                   USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1),
>>>
>>>
>>>
>>> markh@...ley:~> lsusb
>>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>> Bus 003 Device 003: ID 046d:c537 Logitech, Inc.
>>> Bus 003 Device 002: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
>>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>>
>>>
>>>
>>> With the patch reverted:
>>>
>>> $dmesg | grep -i logitech
>> (snip)
>>>
>>> $lsusb
>>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>> Bus 003 Device 003: ID 046d:c537 Logitech, Inc.
>>> Bus 003 Device 002: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
>>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>>
>>> With or without the patch and error messages the mouse has always 
>>> worked.
>>>
>>> Regards
>>> Mark
>>
>> Yes, sorry about that. The following patch should fix it, can you 
>> confirm?
>> You probably didn't notice any breakage because you do not have any of 
>> your
>> buttons bound to keyboard events.
>>
>>
>> commit ef07c116d98772952807492bd32a61f5af172a94 
>> (hid/for-5.11/upstream-fixes)
>> Author: Filipe Laíns <lains@...eup.net>
>> Date:   Fri Feb 5 14:34:44 2021 +0000
>>
>>      HID: logitech-dj: add support for keyboard events in eQUAD step 4 
>> Gaming
>>
>>      In e400071a805d6229223a98899e9da8c6233704a1 I added support for the
>>      receiver that comes with the G602 device, but unfortunately I 
>> screwed up
>>      during testing and it seems the keyboard events were actually not 
>> being
>>      sent to userspace.
>>      This resulted in keyboard events being broken in userspace, please
>>      backport the fix.
>>
>>      The receiver uses the normal 0x01 Logitech keyboard report 
>> descriptor,
>>      as expected, so it is just a matter of flagging it as supported.
>>
>>      Reported in
>>      https://github.com/libratbag/libratbag/issues/1124
>>
>>      Fixes: e400071a805d6 ("HID: logitech-dj: add the G602 receiver")
>>      Cc: <stable@...r.kernel.org>
>>      Signed-off-by: Filipe Laíns <lains@...eup.net>
>>      Signed-off-by: Jiri Kosina <jkosina@...e.cz>
>>
>> diff --git a/drivers/hid/hid-logitech-dj.c 
>> b/drivers/hid/hid-logitech-dj.c
>> index 45e7e0bdd382..fcdc922bc973 100644
>> --- a/drivers/hid/hid-logitech-dj.c
>> +++ b/drivers/hid/hid-logitech-dj.c
>> @@ -980,6 +980,7 @@ static void logi_hidpp_recv_queue_notif(struct 
>> hid_device
>> *hdev,
>>          case 0x07:
>>                  device_type = "eQUAD step 4 Gaming";
>>                  logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, 
>> &workitem);
>> +               workitem.reports_supported |= STD_KEYBOARD;
>>                  break;
>>          case 0x08:
>>                  device_type = "eQUAD step 4 for gamepads";
>>
>>
> 
> That is correct, I don't have any buttons bound to keyboard events. With 
> the original patch the G4(forward) and G5(Backward) buttons work in a 
> browser. I guess G7, G8, and G9 buttons are programmable to keyboard 
> events?
> 
> However this patch does not seem to fix the messages I get.
> 

Actually is not this patch already in a 5.10.21 kernel?

Mark

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