linux-kernel - Re: [PATCH v3] media: uvcvideo: Enable Intel RealSense metadata for devices.

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Message-ID: <20230420103143.GB11005@pendragon.ideasonboard.com>
Date:   Thu, 20 Apr 2023 13:31:43 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Dmitry Perchanov <dmitry.perchanov@...el.com>
Cc:     linux-media@...r.kernel.org, mchehab@...nel.org,
        linux-kernel@...r.kernel.org, evgeni.raikhel@...el.com,
        demisrael@...il.com, sakari.ailus@....fi
Subject: Re: [PATCH v3] media: uvcvideo: Enable Intel RealSense metadata for
 devices.

Hi Dmitry,

Thank you for the patch.

On Thu, Apr 20, 2023 at 12:06:55PM +0300, Dmitry Perchanov wrote:
> Intel RealSense UVC Depth cameras produce metadata in a
> vendor-specific format that is already supported by the uvcvideo driver.
> Enable handling of this metadata for 7 additional RealSense devices.
> 
> Co-developed-by: Yu MENG <yu1.meng@...el.com>
> Co-developed-by: Evgeni Raikhel <evgeni.raikhel@...el.com>
> Signed-off-by: Dmitry Perchanov <dmitry.perchanov@...el.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

I will wait for the answer to Sakari's question before merging this
though.

> ---
>  drivers/media/usb/uvc/uvc_driver.c | 63 ++++++++++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index 7aefa76a42b3..f69573e2de96 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -3014,6 +3014,33 @@ static const struct usb_device_id uvc_ids[] = {
>  	  .bInterfaceSubClass	= 1,
>  	  .bInterfaceProtocol	= 0,
>  	  .driver_info		= (kernel_ulong_t)&uvc_ctrl_power_line_limited },
> +	/* Intel D410/ASR depth camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0ad2,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D415/ASRC depth camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0ad3,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D430/AWG depth camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0ad4,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
>  	/* Intel RealSense D4M */
>  	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
>  				| USB_DEVICE_ID_MATCH_INT_INFO,
> @@ -3023,6 +3050,42 @@ static const struct usb_device_id uvc_ids[] = {
>  	  .bInterfaceSubClass	= 1,
>  	  .bInterfaceProtocol	= 0,
>  	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D435/AWGC depth camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0b07,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D435i depth camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0b3a,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D405 Depth Camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0b5b,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +	/* Intel D455 Depth Camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x8086,
> +	  .idProduct		= 0x0b5c,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= UVC_INFO_META(V4L2_META_FMT_D4XX) },
>  	/* Generic USB Video Class */
>  	{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
>  	{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },

-- 
Regards,

Laurent Pinchart