Hi Ricardo, Thank you for the patch. On Tue, Sep 24, 2024 at 01:33:29PM +0000, Ricardo Ribalda 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. > > Reported-by: Giuliano Lotta <giuliano.lotta@xxxxxxxxx> > Closes: https://lore.kernel.org/linux-media/fce4f906-d69b-417d-9f13-bf69fe5c81e3@koyu.space/ > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > 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 f0febdc08c2d..cc62bdf77c08 100644 > --- a/drivers/media/usb/uvc/uvc_driver.c > +++ b/drivers/media/usb/uvc/uvc_driver.c > @@ -2431,6 +2431,17 @@ static const struct uvc_device_info uvc_quirk_force_y8 = { > */ > static const struct usb_device_id uvc_ids[] = { > /* Quanta ACER HD User Facing */ > + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > + | USB_DEVICE_ID_MATCH_INT_INFO, > + .idVendor = 0x0408, > + .idProduct = 0x4033, > + .bInterfaceClass = USB_CLASS_VIDEO, > + .bInterfaceSubClass = 1, > + .bInterfaceProtocol = UVC_PC_PROTOCOL_15, > + .driver_info = (kernel_ulong_t)&(const struct uvc_device_info){ > + .uvc_version = 0x010a, > + } }, > + /* Quanta ACER HD User Facing */ > { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > | USB_DEVICE_ID_MATCH_INT_INFO, > .idVendor = 0x0408, > > --- > base-commit: abf2050f51fdca0fd146388f83cddd95a57a008d > change-id: 20240924-uvc-quanta-52a120a277fe -- Regards, Laurent Pinchart