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> 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