Hi Gene, > >> I have was checking out the trunk branch. I checked out the split branch > >> and got it to compile and load. I then plugged in my "ProScope". This is > >> the output of dmesg: > >> > >> usbcore: registered new interface driver uvcvideo > >> USB Video Class driver (v0.1.0) > >> usb 1-1: new high speed USB device using ehci_hcd and address 88 > >> usb 1-1: configuration #1 chosen from 1 choice > >> uvcvideo: Found UVC 1.00 device ProScope HR (19ab:1000) > >> uvcvideo: Unable to initialize the status endpoint (-22), status > >> interrupt will not be supported. > >> hiddev96: USB HID v1.10 Device [Bodelin ProScope HR] on > >> usb-0000:00:1d.7-1 > >> > >> So I started ekiga and I have a green screen. Ekiga settings indicate > >> the it is using the ProScope. > >> > >> What does this line mean? > >> > >> uvcvideo: Unable to initialize the status endpoint (-22), status > >> interrupt will not be supported. > > > > This is interesting, nobody had ever reported this before. For some > > reason the driver is unable to initialise the status interrupt endpoint, > > which is used by the webcam to report events such as button press, ... > > Are you using 2.6.19-rc ? Could you try with 2.6.18 or 2.6.17 ? > > > >> Or should I say what is the significance of that line? > >> > >> Also after that dmesg reports this: > >> > >> uvcvideo: Failed to query (135) UVC control 9 (unit 2) : -32 (exp. 2). > >> uvcvideo: Failed to query (130) UVC control 9 (unit 2) : -32 (exp. 2). > >> ... > >> ... > > > > Did you say ProScope ? So you're not using a Logitech webcam ? Do you > > know which USB controller is used by the ProScope ? If it uses the > > spca525, you might be suffering from the same hardware bug as Logitech > > users. If not, I don't think I could really help without getting my hands > > on the hardware. > > > > Best regards, > > > > Laurent Pinchart > > Laurent, here is the reply from Bodelin: > > > Gene, > > Thanks. I got the following from engineering: > > "We use a Cypress USB 2.0 controller, however it's our firmware code > that makes the controller USB video class compliant. If he follows the > rules of USB, he should have no problem creating a driver. He can look > at the Microsoft XP USB video class driver as an example. Also, there's > a book call "USB Complete" by Jan Axelson which may help as well." > > Was this helpful Gene? If not let me know what you need. > > - Peter > > It looks like that they may offer more help if asked.
Ok. The controller is not an SPCA525, so it should not suffer from the same hardware bug. It would probably help if I could get my hands on one of their devices. They seem quite willing to help, which is very nice too. Cheers, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
