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Date:	Sat, 01 Nov 2008 22:32:25 +1000
From:	Adam Nielsen <a.nielsen@...kadi.net>
To:	Oliver Neukum <oliver@...kum.org>
CC:	LKML Mailinglist <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org
Subject: Re: Can you use the USB HID interface within a driver?

>> Or perhaps someone could point me in the direction of a USB HID driver 
>> that does things "properly" already?
> 
> Please post "lsusb -v" for your device.

Here's the output.  I don't think any of the "class" drivers are 
suitable, except as templates for interfacing with the main HID code...I 
think...

Bus 008 Device 002: ID 1044:4001 Chu Yuen Enterprise Co., Ltd
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass            0 (Defined at Interface level)
   bDeviceSubClass         0
   bDeviceProtocol         0
   bMaxPacketSize0         8
   idVendor           0x1044 Chu Yuen Enterprise Co., Ltd
   idProduct          0x4001
   bcdDevice            1.01
   iManufacturer           1 GIGABYTE TECHNOLOGY
   iProduct                2 GBT 800W PSU
   iSerial                 0
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           34
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xa0
       (Bus Powered)
       Remote Wakeup
     MaxPower              100mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       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      32
          Report Descriptors:
            ** UNAVAILABLE **
       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
Device Status:     0x0000
   (Bus Powered)


Cheers,
Adam.

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