I have a digital camera whose model is stv0680 and my system can recognize it but when I run the programme gtkam to add the camera . I got a message : could not initialize the camera .Just like there is no camera plugged in. Could you help me ?
Thanks in advance .

my dmesg show this:

hub.c: new USB device 00:07.2-1, assigned address 2
usb.c: USB device 2 (vend/prod 0x553/0x202) is not claimed by any active driver.
Linux video capture interface: v1.00
usb.c: registered new driver stv680
stv680.c: [stv680_probe:1519] STV(i): STV0680 camera found.
stv680.c: [stv680_probe:1547] STV(i): registered new video device: video0
stv680.c: [usb_stv680_init:1624] STV(i): usb camera driver version v0.25 registering
stv680.c: STV0680 USB Camera Driver v0.25
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,1), internal journalEXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 .............
stv680.c: [stv_init:383] STV(i): QVGA is supported
stv680.c: [stv_init:399] STV(i): Camera has 10 pictures.
stv680.c: [stv_init:430] STV(i): Video Mode set to QVGA
stv680.c: [stv680_start_stream:738] STV(e): Could not kmalloc raw data buffer 0
stv680.c: [stv_stop_video:267] STV(i): Camera set to original resolution
es1371: version v0.32 time 18:00:00 Mar 13 2003
PCI: Found IRQ 10 for device 00:10.0

and some other information form /proc :

[root@huacheng proc]# cd video

[root@huacheng video]# ls
dev stv680
[root@huacheng video]# cd stv680
[root@huacheng stv680]# ls
video0
[root@huacheng stv680]# cat video0
driver_version : v0.25
model : STV0680
in use : no
streaming : nonum_frames : 2
Current size : 320x240
swapRGB : (auto) off
Palette : 4
Frames total : 0
Frames read : 0
Packets dropped : 0
Decoding Errors : 0

[jeson@huacheng proc]$ cd video
[jeson@huacheng video]$ ls
dev stv680
[jeson@huacheng video]$ cd dev
[jeson@huacheng dev]$ ls
video0
[jeson@huacheng dev]$ cat video0
name : STV0680 USB camera
type : VID_TYPE_CAPTURE
hardware : 0x1e