Le jeudi 27 décembre 2007 16:19, Andreas Demmer a écrit :
> Hi,
>
> I own a Dell XPS M2010 Notebook with a built-in webcam. lsusb identifies it
> as an logitech device, but the ID 046d:0897 seems to be no supported
> Logitech webcam:
>
> --------------------
> Bus 005 Device 009: ID 046d:0897 Logitech, Inc.
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 255 Vendor Specific Class
> bDeviceSubClass 255 Vendor Specific Subclass
> bDeviceProtocol 255 Vendor Specific Protocol
> bMaxPacketSize0 64
> idVendor 0x046d Logitech, Inc.
> idProduct 0x0897
> bcdDevice 1.00
> iManufacturer 1 OEM
> iProduct 2 Camera
> iSerial 0
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 193
> 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 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0000 1x 0 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 1
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0080 1x 128 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 2
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 3
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 0 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 4
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0b00 2x 768 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 5
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0c00 2x 0 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 6
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x1380 3x 896 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 7
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> 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 7
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 1
> Transfer Type Isochronous
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x1400 3x 0 bytes
> bInterval 1
> Device Qualifier (for other device speed):
> bLength 10
> bDescriptorType 6
> bcdUSB 2.00
> bDeviceClass 0 (Defined at Interface level)
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 64
> bNumConfigurations 1
> Device Status: 0x0000
> (Bus Powered)
> --------------------
>
> I tried to add this ID to the ucv_driver.c file and compiled afterwards:
>
> --------------------
> static struct usb_device_id uvc_ids[] = {
> /* Dell XPS M2010 built-in webcam */
> { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
> | USB_DEVICE_ID_MATCH_INT_INFO,
> .idVendor = 0x046d,
> .idProduct = 0x0897,
> .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
> .bInterfaceSubClass = 1,
> .bInterfaceProtocol = 0 },
> --------------------
>
> The module loads smoothly "modprobe -v uvcvideo" sais:
>
> install /sbin/modprobe snd_usb_audio; /sbin/modprobe --ignore-install
> uvcvideo insmod /lib/modules/2.6.22.13-0.3-default/usb/media/uvcvideo.ko
>
> and adds the following output to /var/log/messages:
>
> Dec 27 15:57:55 onyx kernel: usbcore: deregistering interface driver
> uvcvideo Dec 27 15:57:59 onyx kernel: usbcore: registered new interface
> driver uvcvideo Dec 27 15:57:59 onyx kernel: USB Video Class driver
> (v0.1.0)
>
> But still, I do not have a /dev/video0 device.
>
> "lsmod | grep uvc" tells me that the modules seem to be working:
>
> uvcvideo 52356 0
> compat_ioctl32 5376 1 uvcvideo
> videodev 30464 2 uvcvideo,gspca
> v4l2_common 20608 2 uvcvideo,videodev
> v4l1_compat 16388 2 uvcvideo,videodev
> usbcore 123756 8
> uvcvideo,uhci_hcd,gspca,snd_usb_audio,snd_usb_lib,usbhid,ehci_hcd
>
> Any idea would I should do to get my webcam working? As far as this is an
> Logitech device, this should not be a big problem, should it?
>
> Greets,
> Andreas
Andreas,
Look like a VC0321 or VC0323 from Vimicro, it is not a usb video class
webcam :(
Can you mail me the *. inf file from the windows driver ? I will try to
support it in gspca soon
Regards
--
Michel Xhaard
http://mxhaard.free.fr
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