On Tue, 24 Feb 2009 16:00:59 -0800 Auke Kok <auke@xxxxxxxxxxxxxxxx> wrote: > Auke Kok wrote: > > > > All, > > > > I have a "Creative Technology, Ltd Webcam Live!/Live! Pro" that until > > recently worked fine with the out-of-tree gspcav1 driver > > (gspcav1-20071224.tar.gz is the latest version I used unti 2.6.26). > > > > Since this driver (basically) got merged in the kernel I got my hopes up > > that the in-kernel gspca_zc3xx drivers would work. However, that does > > not provide a usable video0 device - mplayer tv:// crashes with 'No > > stream found.' for instance: > > > > Playing tv://. > > Cache fill: 0.00% (0 bytes) > > TV file format detected. > > Selected driver: v4l2 > > name: Video 4 Linux 2 input > > author: Martin Olschewski <olschewski@xxxxxxxxxxxxxxxx> > > comment: first try, more to come ;-) > > Selected device: WebCam Live! > > Capabilites: video capture read/write streaming > > supported norms: > > inputs: 0 = zc3xx; > > Current input: 0 > > Current format: unknown (0x4745504a) > > tv.c: norm_from_string(pal): Bogus norm parameter, setting default. > > v4l2: ioctl enum norm failed: Invalid argument > > Error: Cannot set norm! > > Selected input hasn't got a tuner! > > v4l2: ioctl set mute failed: Invalid argument > > v4l2: ioctl query control failed: Invalid argument > > v4l2: ioctl query control failed: Invalid argument > > FPS not specified in the header or invalid, use the -fps option. > > No stream found. > > > > v4l2: ioctl set mute failed: Invalid argument > > v4l2: 0 frames successfully processed, 0 frames dropped. > > > > Exiting... (End of file) > > > > > > I've regressed back to the original import of the spca driver in the > > kernel tree and this doesn't fix it, so I'm assuming that the driver > > were not merged correctly for my particular device. > > > > Basically the driver probes and load fine as is right now, no unusual > > message in dmesg as far as I can see: > > > > zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chip v1:1.10 > > usbcore: registered new interface driver zc0301 > > usbcore: deregistering interface driver zc0301 > > gspca: probing 041e:4036 > > zc3xx: probe 2wr ov vga 0x0000 > > zc3xx: probe sensor -> 11 > > zc3xx: Find Sensor HV7131R(c) > > gspca: probe ok > > usbcore: registered new interface driver zc3xx > > zc3xx: registered > > > > > > I can post the output of the gspcav1 module with debug=5 for the > > register writes/reads if that is interesting, or anything else for that > > matter - I'd really like to keep this webcam working and staying at > > kernel 2.6.25 is not an option. > > > > is there a way to get the gspca_zc3xx driver dump register read/writes? > > this would be a quick way to compare the two drivers and look at the > > differences. > > > > Cheers, > > > > Auke > > > > > > > seems I just found the v4lcompat.so stuff, which (apart from being a > pain in the rear) makes the webcam work again... This seems to be a very common error. IMO, we should write message when loading a gspca that would require libv4l in order to work. Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
