On 21-03-08 11:27:35, Pawel Laszczak wrote:
> From: Pawel Laszczak <pawell@xxxxxxxxxxx>
>
> According with USB Device Class Definition for Video Device the
> Processing Unit Descriptor bLength should be 12 (10 + bmControlSize),
> but it has 11.
Does the reason forget filling bmVideoStandards entry?
Peter
>
> Invalid length caused that Processing Unit Descriptor Test Video form
> CV tool failed. To fix this issue patch adds bmVideoStandards into
> uvc_processing_unit_descriptor structure.
>
> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
> ---
> include/uapi/linux/usb/video.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
> index d854cb19c42c..2a54e8fdd341 100644
> --- a/include/uapi/linux/usb/video.h
> +++ b/include/uapi/linux/usb/video.h
> @@ -302,6 +302,7 @@ struct uvc_processing_unit_descriptor {
> __u8 bControlSize;
> __u8 bmControls[2];
> __u8 iProcessing;
> + __u8 bmVideoStandards;
> } __attribute__((__packed__));
>
> #define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))
> --
> 2.25.1
>
--
Thanks,
Peter Chen
