On 2018/04/24 17:15, Landry Breuil wrote:
> On Tue, Apr 24, 2018 at 04:04:34PM +0100, Stuart Henderson wrote:
> > On 2018/04/24 16:34, Landry Breuil wrote:
> > > Hi,
> > > 
> > > here's a diff to reuse usbd_devinfo_vp() (exposed in usbdivar.h) in
> > > VIDIOC_QUERYCAP ioctl callback, this way we can fill v4l2_capability
> > > card struct member with the actual usb product name instead of a dummy
> > > "Generic USB video class device".
> > 
> > Generally I think this is a good idea, but some devices have crap in
> > v/p, is that likely to cause any problems?
> 
> Well, the exact same function is called in usbd_devinfo() during boot to
> generate the dmesg lines for the devices.. so i dont really see how it makes
> things worse.
> 
> uvideo0 at uhub1 port 1 configuration 1 interface 0 "Logitech QuickCam Orbit 
> AF" rev 2.00/0.08 addr 3
> uvideo1 at uhub1 port 8 configuration 1 interface 0 "Chicony Electronics 
> Co.,Ltd. Integrated Camera" rev 2.00/0.29 addr 5
> 
> Landry
> 

I've looked through dmesglog for strings in uvideo lines and they all look
pretty sane. I'm surprised, I've seen random-looking binary stuff on some
devices and was unsure how programs might handle that.

Reply via email to