Bug#532474: linux-image-2.6.29-2-686: GSPCA V4L2 dropped support for in 2.6.26 supported webcams - Metabug

[thomas schorpp <thomas.schorpp@googlemail.com>]

Moritz Muehlenhoff wrote:
> On Tue, Jun 09, 2009 at 05:22:00PM +0200, schorpp wrote:
> > Package: linux-image-2.6.29-2-686
> > Version: 2.6.29-5
> > Severity: normal
> >
> > The new GSPCA in the kernel mainline dropped support for this webcam and probably more since 
> > inclusion:
> >
> > ID 0ac8:303b Z-Star Microelectronics Corp. ZC0303 WebCam
> >
> > There's a C-hardcoded "KConfig" #ifdef in the respective GSPCA chipset module which 
> > passes handling of this cam to the legacy zc0301 driver but it cannot support it:
> >
> > Jun  9 16:33:11 tom2 kernel: [ 1086.185254] usb 2-2.3: new full speed USB device using uhci_hcd and address 5
> > Jun  9 16:33:11 tom2 kernel: [ 1086.339258] usb 2-2.3: New USB device found, idVendor=0ac8, idProduct=303b
> > Jun  9 16:33:11 tom2 kernel: [ 1086.339271] usb 2-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> > Jun  9 16:33:11 tom2 kernel: [ 1086.339280] usb 2-2.3: Product: PC Camera
> > Jun  9 16:33:11 tom2 kernel: [ 1086.339286] usb 2-2.3: Manufacturer: Vimicro Corp.
> > Jun  9 16:33:11 tom2 kernel: [ 1086.339532] usb 2-2.3: configuration #1 chosen from 1 choice
> > Jun  9 16:33:11 tom2 kernel: [ 1086.920576] zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chip 
> > v1:1.10
> > Jun  9 16:33:11 tom2 kernel: [ 1086.920656] usb 2-2.3: ZC0301[P] Image Processor and Control Chip detected (vid/pid 
> > 0x0AC8:0x303B)
> > Jun  9 16:33:11 tom2 kernel: [ 1086.990296] usb 2-2.3: No supported image sensor detected <----------
> > Jun  9 16:33:11 tom2 kernel: [ 1086.990379] usbcore: registered new interface driver zc0301
> >
> > I can remember fixing this months before but did not submit the patch for some reason... nor can I find it 
> > anymore up to this time.

> > It worked but the new gspca v4l2 main has dropped other useful things like the brightness/contrast/color 
> > module parameters, so it was useless to me with applications not supporting v4l controls like 
> > adobe flash + flashcoms video chat.

Takeback, e.g. v4l2ucp can be used to adjust picture settings :)

> What is the status in 2.6.30 (or even better, current mainline i.e. 2.6.31-rcX)?

Status for ID 0ac8:303b Z-Star Microelectronics Corp. ZC0303 WebCam is FIXED.

> Cheers,
>         Moritz

Y
tom