Hi Aditya, On Wed, Feb 02, 2022 at 07:08:21AM +0000, Aditya Garg wrote: > > On 02-Feb-2022, at 12:07 PM, Laurent Pinchart wrote: > > On Wed, Jan 26, 2022 at 10:37:13AM +0000, Aditya Garg wrote: > >> From: Paul Pawlowski <paul@xxxxxxxx> > >> > >> Adds the requisite device id to support detection of the Apple FaceTime > >> HD webcam exposed over the T2 BCE VHCI interface. > >> > >> Tested-by: Aun-Ali Zaidi <admin@xxxxxxxxxx> > >> Signed-off-by: Paul Pawlowski <paul@xxxxxxxx> > >> Signed-off-by: Aun-Ali Zaidi <admin@xxxxxxxxxx> > >> Signed-off-by: Aditya Garg <gargaditya08@xxxxxxxx> > >> --- > >> drivers/media/usb/uvc/uvc_driver.c | 9 +++++++++ > >> 1 file changed, 9 insertions(+) > >> > >> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c > >> index 7c007426e..88dc9e7aa 100644 > >> --- a/drivers/media/usb/uvc/uvc_driver.c > >> +++ b/drivers/media/usb/uvc/uvc_driver.c > >> @@ -2848,6 +2848,15 @@ static const struct usb_device_id uvc_ids[] = { > >> .bInterfaceProtocol = 0, > >> .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_MINMAX > >> | UVC_QUIRK_BUILTIN_ISIGHT) }, > >> + /* Apple FaceTime HD Camera (Built-In) */ > >> + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > >> + | USB_DEVICE_ID_MATCH_INT_INFO, > >> + .idVendor = 0x05ac, > >> + .idProduct = 0x8514, > >> + .bInterfaceClass = USB_CLASS_VIDEO, > >> + .bInterfaceSubClass = 1, > >> + .bInterfaceProtocol = 0, > >> + .driver_info = (kernel_ulong_t)&uvc_quirk_probe_def }, > > > > Have you tested that the device doesn't work without this quirk ? > > uvcvideo 1-2:1.1: Failed to query (129) UVC probe control : -110 (exp. 48). > uvcvideo 1-2:1.1: Failed to initialize the device (-5). > > These errors are encountered without this patch Thank you for the confirmation. Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> and applied to my tree. > >> /* Apple Built-In iSight via iBridge */ > >> { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > >> | USB_DEVICE_ID_MATCH_INT_INFO, -- Regards, Laurent Pinchart