linux-kernel - USBHID bug, claiming all devices, ignoring quirks.

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Date:	Wed, 5 Aug 2009 10:23:29 +0200
From:	Galtor <galtor@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: USBHID bug, claiming all devices, ignoring quirks.

Hi all.

I have a Antec Veris USB IR receiver, with USB ID 15c2:0043,
identifying itself as "SoundGraph iMON MultiMedia IR/Display". Below
is the ls -vvv.

In 2.6.30.4 kernel source this device is in hid_ignore_list[] :

... hid-core.c ...
 { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH,
USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3) },
...

But the usbhid is ignoring the list and claiming for the device:

...dmesg...
[ 3366.731928] usbcore: registered new interface driver hiddev
[ 3366.745603] input: HID 15c2:0043 as
/devices/pci0000:00/0000:00:04.0/usb3/3-3/3-3:1.0/input/input3
[ 3366.746195] generic-usb 0003:15C2:0043.000D: input,hidraw0: USB HID
v1.01 Mouse [HID 15c2:0043] on usb-0000:00:04.0-3/input0
[ 3366.759332] generic-usb 0003:15C2:0043.000E: hiddev96,hidraw1: USB
HID v1.00 Device [HID 15c2:0043] on usb-0000:00:04.0-3/input1
[ 3366.759416] usbcore: registered new interface driver usbhid
...

Using "quirks" module parameter changes the behavior in dmesg:

...dmesg...
[ 5180.060952] usbcore: registered new interface driver hiddev
[ 5180.061211] usbcore: registered new interface driver usbhid
[ 5180.061220] usbhid: v2.6:USB HID core driver
...

but the driver is claiming for the device anyway:

...ls /sys/bus/usb/drivers/usbhid/...
3-3:1.0  3-3:1.1  bind  module  new_id  uevent  unbind
...

The only "fix" i have is to load the lirc_imon driver before the
usbhid driver to get all hardware correctly initialized

Any ideas of what's happening?

Best regards.

-- Galtor

-----------------------------------------------

Bus 003 Device 002: ID 15c2:0043 SoundGraph Inc.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x15c2 SoundGraph Inc.
  idProduct          0x0043
  bcdDevice            0.02
  iManufacturer           0
  iProduct                0
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           59
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              0
      ** UNRECOGNIZED:  09 21 01 01 00 01 22 79 00
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval              10
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0
      ** UNRECOGNIZED:  09 21 00 01 00 01 22 32 00
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval              10
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled
--
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