Re: Logitech G27 leds no more supported

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On Wed, October 17, 2018 11:21 pm, Greg KH wrote:
> On Wed, Oct 17, 2018 at 02:44:51PM +0000, elrondo46@xxxxxxxxxxxxxx wrote:
>> No more leds subdirectory for this wheel, someone reports me G29 leds
>> stays supported correctly.
>>
>> No more path: /sys/class/leds/logitechwheelpath, just my keyboard leds
>> are detected. Force feedback are correctly supported.
>>

> What kernel version did this work properly on?
>
>
> And I think the linux-input mailing list would want to know about this,
> this isn't a usb-core specific issue.  I've added them to the cc: here.
> thanks,

Thanks for the report, and yes it does seem broken. I tried on 4.17.0-rc5+
and it seems that the 'hid-logitech' module does not know the device ID of
the G29 anymore.

Support was originally added in 29fae1c85166ef525b8b6518e749295e0c9d1e20,
but that was a long time ago and it seems that the 'hid-core.c' stuff has
somewhat changed....

Will continue looking for cause.
Simon
Syslog on insert
--
Oct 19 16:16:04 thevoid kernel: [33656.156644] usb 1-2: new full-speed USB device number 12 using xhci_hcd
Oct 19 16:16:05 thevoid kernel: [33656.306093] usb 1-2: New USB device found, idVendor=046d, idProduct=c260, bcdDevice=89.00
Oct 19 16:16:05 thevoid kernel: [33656.306106] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Oct 19 16:16:05 thevoid kernel: [33656.306114] usb 1-2: Product: G29 Driving Force Racing Wheel
Oct 19 16:16:05 thevoid kernel: [33656.306122] usb 1-2: Manufacturer: Logitech
Oct 19 16:16:05 thevoid kernel: [33656.314487] input: Logitech G29 Driving Force Racing Wheel as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:046D:C260.0006/input/input22
Oct 19 16:16:05 thevoid kernel: [33656.373288] hid-generic 0003:046D:C260.0006: input,hiddev3,hidraw5: USB HID v1.10 Joystick [Logitech G29 Driving Force Racing Wheel] on usb-0000:00:14.0-2/input0
Oct 19 16:16:05 thevoid mtp-probe: checking bus 1, device 12: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2"
Oct 19 16:16:05 thevoid mtp-probe: bus: 1, device: 12 was not an MTP device
Oct 19 16:16:05 thevoid upowerd[1405]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:046D:C260.0006
Oct 19 16:16:05 thevoid upowerd[1405]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0
Oct 19 16:16:05 thevoid upowerd[1405]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2
--

lsusb -vv
--
Bus 001 Device 012: ID 046d:c260 Logitech, Inc. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x046d Logitech, Inc.
  idProduct          0xc260 
  bcdDevice           89.00
  iManufacturer           1 
  iProduct                2 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              200mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.10
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     160
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               5
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               5
--

uname -a
--
Linux thevoid 4.17.0-rc5+ #11 SMP Sat May 19 11:08:23 MDT 2018 x86_64 x86_64 x86_64 GNU/Linux
--
filename:       /lib/modules/4.17.0-rc5+/kernel/drivers/hid/hid-logitech.ko
license:        GPL
srcversion:     D51DE1425C46A412C85BBE4
alias:          hid:b0003g*v0000046Dp0000C623
alias:          hid:b0003g*v0000046Dp0000C626
alias:          hid:b0003g*v0000046Dp0000C287
alias:          hid:b0003g*v0000046Dp0000C218
alias:          hid:b0003g*v0000046Dp0000C293
alias:          hid:b0003g*v0000046Dp0000C29C
alias:          hid:b0003g*v0000046Dp0000C298
alias:          hid:b0003g*v0000046Dp0000C29B
alias:          hid:b0003g*v0000046Dp0000C29A
alias:          hid:b0003g*v0000046Dp0000C299
alias:          hid:b0003g*v0000046Dp0000CA04
alias:          hid:b0003g*v0000046Dp0000CA03
alias:          hid:b0003g*v0000046Dp0000C295
alias:          hid:b0003g*v0000046Dp0000C286
alias:          hid:b0003g*v0000046Dp0000C283
alias:          hid:b0003g*v0000046Dp0000C24F
alias:          hid:b0003g*v0000046Dp0000C219
alias:          hid:b0003g*v0000046Dp0000C211
alias:          hid:b0003g*v0000046Dp0000C20A
alias:          hid:b0003g*v0000046Dp0000C294
alias:          hid:b0003g*v0000046Dp0000C216
alias:          hid:b0003g*v0000046Dp0000C215
alias:          hid:b0003g*v0000046Dp0000C512
alias:          hid:b0003g*v0000046Dp0000C30A
alias:          hid:b0003g*v0000046Dp0000C71F
alias:          hid:b0003g*v0000046Dp0000C714
alias:          hid:b0003g*v0000046Dp0000C704
alias:          hid:b0003g*v0000046Dp0000C101
alias:          hid:b0003g*v0000046Dp0000C517
alias:          hid:b0003g*v0000046Dp0000C50C
alias:          hid:b0003g*v0000046Dp0000C513
depends:        hid,ff-memless
retpoline:      Y
intree:         Y
name:           hid_logitech
vermagic:       4.17.0-rc5+ SMP mod_unload 
signat:         PKCS#7
signer:         
sig_key:        
sig_hashalgo:   md4
parm:           lg4ff_no_autoswitch:Do not switch multimode wheels to their native mode automatically (int)

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