Hi Giuliano
On Mon, 16 Jan 2023 at 15:31, Giuliano Lotta <giuliano.lotta@xxxxxxxxx> wrote:
>
> Hi Ricardo,
> I have a 4035:4035 (not the 4035:4033 );
> if it may help , I could manage to have the debug info from this camera.
>
> BUT to get uvc_debug enabled, which
> -specific #define adn/or variable
> -specific c/h file
>
> should we set ?
no need to change any code. Just do:
sudo rmmod uvcvideo; sudo modprobe uvcvideo trace=0xffffffff
then get some frames
yavta --capture=3 /dev/video0
then run dmesg
Thanks!
>
> BR
> Giuliano
>
> Il giorno lun 16 gen 2023 alle ore 14:05 Ricardo Ribalda <ribalda@xxxxxxxxxxxx> ha scritto:
> >
> > Hi Laurent
> >
> > On Sun, 15 Jan 2023 at 21:52, Laurent Pinchart
> > <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > The Quanta ACER HD User Facing camera reports a UVC 1.50 version, but
> > > implements UVC 1.0a as shown by the UVC probe control being 26 bytes
> > > long. Force the UVC version for that device.
> >
> > Don't we also want to include 4035:4033 ?
> >
> > I am curious about the PowerLine Control (does it have one?) will it
> > behave like 1.1 or 1.5
> >
> > Would it be possible to get the output with uvc_debug enabled?
> >
> > Regards!
> >
> >
> > >
> > > Reported-by: Giuliano Lotta <giuliano.lotta@xxxxxxxxx>
> > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > > ---
> > >
> > > Giuliano, I believe you've successfully tested this patch. If so, could
> > > you reply with a Tested-by tag ? Just copying the following in your
> > > reply will do:
> > >
> > > Tested-by: Giuliano Lotta <giuliano.lotta@xxxxxxxxx>
> > >
> > > drivers/media/usb/uvc/uvc_driver.c | 11 +++++++++++
> > > 1 file changed, 11 insertions(+)
> > >
> > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> > > index 1a186abeb4fa..742eeaff333e 100644
> > > --- a/drivers/media/usb/uvc/uvc_driver.c
> > > +++ b/drivers/media/usb/uvc/uvc_driver.c
> > > @@ -2429,6 +2429,17 @@ static const struct usb_device_id uvc_ids[] = {
> > > .bInterfaceSubClass = 1,
> > > .bInterfaceProtocol = UVC_PC_PROTOCOL_15,
> > > .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited },
> > > + /* Quanta ACER HD User Facing */
> > > + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
> > > + | USB_DEVICE_ID_MATCH_INT_INFO,
> > > + .idVendor = 0x0408,
> > > + .idProduct = 0x4035,
> > > + .bInterfaceClass = USB_CLASS_VIDEO,
> > > + .bInterfaceSubClass = 1,
> > > + .bInterfaceProtocol = UVC_PC_PROTOCOL_15,
> > > + .driver_info = (kernel_ulong_t)&(const struct uvc_device_info){
> > > + .uvc_version = 0x010a,
> > > + } },
> > > /* LogiLink Wireless Webcam */
> > > { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
> > > | USB_DEVICE_ID_MATCH_INT_INFO,
> > >
> > > base-commit: fd957081cff04668f390c6f290bdcc7fc009a0f1
> > > --
> > > Regards,
> > >
> > > Laurent Pinchart
> > >
> >
> >
> > --
> > Ricardo Ribalda
--
Ricardo Ribalda
