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.
I tested this patch and can confirm it working ~Leonie 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> Tested-by: Leonie Ain <me@koyu.space> --- drivers/media/usb/uvc/uvc_driver.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- base-commit: abf2050f51fdca0fd146388f83cddd95a57a008d change-id: 20240924-uvc-quanta-52a120a277fe Best regards, 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,
