[pwc] Logitech QuickCam Pro 4000 : VIDIOCPWCMPTSTATUS

[Poiroud Marc <>]

Hello,

I want use my webcam but I have few error :/
When I use kopete, I have black screen !

I try to understand and resolve my problem by I don't understand why it 
doesn't work !
some infos :
$ uname -r
2.6.20-ARCH

$ setpwc -u
setpwc v1.2, (C) 2003-2006 by 
Error while doing ioctl VIDIOCPWCMPTSTATUS: No such device or address
Status: 0
Time pan: 0
Time tilt: 2

First time I lanch setpwc, I have this :
$ setpwc -p
setpwc v1.2, (C) 2003-2006 by 
Current device: Logitech QuickCam Pro 4000
VIDIOCPWCPROBE returns: Logitech QuickCam Pro 4000 - 740
Serial number:
Resolution (x, y): 320, 240
Offset: 0, 0
Framerate: 10
Brightness: 32256
Hue: 65535
Colour: 32768
Contrast: 31744
Whiteness: 30720
Palette: YUV 4:2:0 Planar
Compression preference: 1
Error while doing ioctl VIDIOCPWCGAGC: Invalid argument
Automatic gain control: 1
Whitebalance mode: auto
Blinking of LED is not supported by the combination
of your webcam and the driver.
Sharpness: -1
Backlight compensation mode: off
Anti-flicker mode: off
Noise reduction mode: 1
Pan/tilt range is not supported by the combination
of your webcam and the driver.
Get pan/tilt position is not supported by the combination
of your webcam and the driver.

And after I have this :
$ setpwc -p
setpwc v1.2, (C) 2003-2006 by 
Current device: Logitech QuickCam Pro 4000
VIDIOCPWCPROBE returns: Logitech QuickCam Pro 4000 - 740
Serial number:
Resolution (x, y): 320, 240
Offset: 0, 0
Framerate: 10
Brightness: 32256
Hue: 65535
Colour: 32768
Contrast: 31744
Whiteness: 30720
Palette: YUV 4:2:0 Planar
Compression preference: 1
Automatic gain control: -13954
Whitebalance mode: auto
Blinking of LED is not supported by the combination
of your webcam and the driver.
Sharpness: -1
Backlight compensation mode: off
Anti-flicker mode: off
Noise reduction mode: 1
Pan/tilt range is not supported by the combination
of your webcam and the driver.
Get pan/tilt position is not supported by the combination
of your webcam and the driver.

$ lsmod | grep pwc
pwc                    80640  0
compat_ioctl32          1536  1 pwc
videodev               25216  1 pwc
usbcore               115208  7 
snd_usb_audio,snd_usb_lib,pwc,usbhid,ehci_hcd,uhci_hcd
$ grep V4L /usr/src/linux-2.6.20-ARCH/.config
CONFIG_VIDEO_V4L1=y
CONFIG_VIDEO_V4L1_COMPAT=y
CONFIG_VIDEO_V4L2=y

$ grep PWC /usr/src/linux-2.6.20-ARCH/.config
CONFIG_USB_PWC=m

$ dmesg
...
usb 2-1: new full speed USB device using uhci_hcd and address 2
usb 2-1: configuration #1 chosen from 1 choice
Linux video capture interface: v2.00
pwc: Philips webcam module version 10.0.12 loaded.
pwc: Supports Philips PCA645/646, PCVC675/680/690, 
PCVC720[40]/730/740/750 & PCVC830/840.
pwc: Also supports the Askey VC010, various Logitech Quickcams, Samsung 
MPC-C10 and MPC-C30,
pwc: the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite 
VCS-UC300 and VCS-UM100.
pwc: Logitech QuickCam 4000 Pro USB webcam detected.
pwc: Registered as /dev/video0.
usbcore: registered new interface driver Philips webcam
usbcore: registered new interface driver snd-usb-audio


--
Marc Poiroud
*JabberID* : 
*blog* : http://poiroud.free.fr/dotclear
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