On 19:09 Fri 15 Feb 2008, Albert Chuang wrote:
> I check the svn log and find it add the toggle bit in some revision.

I don't understand what you are saying here.

> I try the Syntek case and find it can work.

Ok, since you say the camera doesn't work without the quirk I will make
sure it is added.

Cheers,

        Brandon

> On Fri, Feb 15, 2008 at 2:31 PM, Brandon Philips <[EMAIL PROTECTED]> wrote:
> > On 13:37 Fri 15 Feb 2008, Albert Chuang wrote:
> > > Oh, I maybe understand your statements.
> > > Do you mean that it should work if the camera is a normal UVC device ?
> > > But I try the genesyslogic camera it seems to need the
> > > UVC_QUIRK_STREAM_NO_FID.
> >
> > Ok, if you tried the device without UVC_QUIRK_STREAM_NO_FID and it
> > didn't work then the entry is needed.  I will clean up your patch and
> > ask Laurent to add it.
> >
> > > So the uvc driver need to decide  the device by the vid and pid and is
> > > it right ?
> >
> > Yes, the PID/VID is needed if the UVC_QUIRK_STREAM_NO_FID quirk is
> > needed.
> >
> > > Maybe I need to study or read uvc spec to get the knowledge about uvc.
> > > I am glad to help if you need  I to try other things. You can tell me.
> >
> > That won't be necessary.  I was trying to figure out why you were adding
> > the entry.  But, as you said UVC_QUIRK_STREAM_NO_FID is required to make
> > it work.
> >
> > Thanks,
> >
> >        Brandon
> >
> > > On Fri, Feb 15, 2008 at 10:10 AM, Brandon Philips <[EMAIL PROTECTED]>
> > wrote:
> > > > On 09:45 Fri 15 Feb 2008, Albert Chuang wrote:
> > > > > On Fri, Feb 15, 2008 at 9:19 AM, Brandon Philips <[EMAIL PROTECTED]>
> > > > wrote:
> > > > >
> > > > > > On 09:03 Fri 15 Feb 2008, Albert Chuang wrote:
> > > > > > > the information from lsusb
> > > > > > > ubuntu:~/$ lsusb -d 05e3:0505
> > > > > >
> > > > > > Oops!  I meant:
> > > > > >
> > > > > > lsusb -v -d 05E3:0505
> > > > > >
> > > > > > Could you please include the output from that command when ran as
> > > > root?
> > > > > >
> > > > > > Thanks Again,
> > > > > >
> > > > > >        Brandon
> > > > > >
> > > > > > oh...that's all right..
> > > > > what do you want to get any informations from the output ?
> > > >
> > > > Just curious why a new PID/VID entry is needed to get this device
> > > > working.  Does the camera not work without the UVC_QUIRK_STREAM_NO_FID
> > > > quirk?
> > > >
> > > > >     Interface Descriptor:
> > > > >       bLength                 9
> > > > >       bDescriptorType         4
> > > > >       bInterfaceNumber        0
> > > > >       bAlternateSetting       0
> > > > >       bNumEndpoints           1
> > > > >       bInterfaceClass        14 Video
> > > > >       bInterfaceSubClass      1 Video Control
> > > > >       bInterfaceProtocol      0
> > > >
> > > > If it works without the quirk we shouldn't need the PID/VID entries
> > > > since it identifies itself as a video class device.
> > > >
> > > > Thanks again!
> > > >
> > > > Cheers,
> > > >
> > > >        Brandon
> > > >
> >
_______________________________________________
Linux-uvc-devel mailing list
Linux-uvc-devel@lists.berlios.de
https://lists.berlios.de/mailman/listinfo/linux-uvc-devel

Reply via email to