Hi Zvi,
Thank you for the patch.
On Monday 24 August 2015 15:57:42 Zvi Effron wrote:
> The cameras on the Surface Pro 3 report interface protocol of 1.
> The generic USB video class doesn't work for them.
> This adds entries for the front and rear camera.
This doesn't need to be restricted to the Surface Pro 3 cameras as
bInterfaceProtocol 1 is (or at least should be) used by all UVC 1.5 devices.
I've just posted "[PATCH] uvcvideo: Enable UVC 1.5 device detection" to the
linux-media mailing list. Could you check whether it fixes your problem ?
> Signed-off-by: Zvi Effron <viz+kernel@xxxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/media/usb/uvc/uvc_driver.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/media/usb/uvc/uvc_driver.c
> b/drivers/media/usb/uvc/uvc_driver.c index 4b5b3e8..d2fdbc1 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -2142,6 +2142,22 @@ static struct usb_device_id uvc_ids[] = {
> .bInterfaceSubClass = 1,
> .bInterfaceProtocol = 0,
> .driver_info = UVC_QUIRK_PROBE_MINMAX },
> + /* Microsoft Surface Pro 3 LifeCam Front */
> + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
> + | USB_DEVICE_ID_MATCH_INT_INFO,
> + .idVendor = 0x045e,
> + .idProduct = 0x07be,
> + .bInterfaceClass = USB_CLASS_VIDEO,
> + .bInterfaceSubClass = 1,
> + .bInterfaceProtocol = 1 },
> + /* Microsoft Surface Pro 3 LifeCam Rear */
> + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
> + | USB_DEVICE_ID_MATCH_INT_INFO,
> + .idVendor = 0x045e,
> + .idProduct = 0x07bf,
> + .bInterfaceClass = USB_CLASS_VIDEO,
> + .bInterfaceSubClass = 1,
> + .bInterfaceProtocol = 1 },
> /* Logitech Quickcam Fusion */
> { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
>
> | USB_DEVICE_ID_MATCH_INT_INFO,
--
Regards,
Laurent Pinchart
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