Comment 7 for bug 270618

I can confirm this, too:
root@Jupiter:~/download# lsusb
Bus 003 Device 006: ID 046d:08d7 Logitech, Inc. QuickCam Communicate STX
Bus 003 Device 003: ID 1058:1100 Western Digital Technologies, Inc.
Bus 003 Device 002: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub / D-Link DUB-H4 USB 2.0 Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
root@Jupiter:~/download# lsmod | grep spc
gspca_zc3xx 55936 0
gspca_main 29312 1 gspca_zc3xx
videodev 41344 3 tuner,bttv,gspca_main
usbcore 148848 10 gspca_zc3xx,usbserial,snd_usb_audio,snd_usb_lib,gspca_main,usb_storage,libusual,ohci_hcd,ehci_hcd
root@Jupiter:~/download# dmesg | tail
[ 2344.069992] EXT3-fs: mounted filesystem with ordered data mode.
[ 2502.752318] usb 3-2.1: USB disconnect, address 6
[ 2502.755171] gspca: disconnect complete
[ 2504.360260] usb 3-2.1: new full speed USB device using ehci_hcd and address 7
[ 2504.469245] usb 3-2.1: configuration #1 chosen from 1 choice
[ 2504.471424] gspca: probing 046d:08d7
[ 2506.076423] zc3xx: probe 2wr ov vga 0x0000
[ 2506.108424] zc3xx: probe sensor -> 11
[ 2506.108432] zc3xx: Find Sensor HV7131R(c)
[ 2506.112366] gspca: probe ok

Indeed, the webcam still doesn't work. As far as I can remember, it used to work with spca5xx module, this zc3xx is unfamiliar. Anyway /dev/video1 exists (/dev/video0 is my tv-tuner card).