linux-kernel - [PATCH v2 0/3] media: uvcvideo: Introduce V4L2_META_FMT_UVC

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Message-Id: <20250306-uvc-metadata-v2-0-7e939857cad5@chromium.org>
Date: Thu, 06 Mar 2025 15:51:00 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Guennadi Liakhovetski <guennadi.liakhovetski@...el.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Ricardo Ribalda <ribalda@...omium.org>, stable@...r.kernel.org
Subject: [PATCH v2 0/3] media: uvcvideo: Introduce V4L2_META_FMT_UVC_CUSTOM
 + other meta fixes

This series introduces a new metadata format for UVC cameras and adds a
couple of improvements to the UVC metadata handling.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
Changes in v2:
- Add metadata invalid fix
- Move doc note to a separate patch
- Introuce V4L2_META_FMT_UVC_CUSTOM (thanks HdG!).
- Link to v1: https://lore.kernel.org/r/20250226-uvc-metadata-v1-1-6cd6fe5ec2cb@chromium.org

---
Ricardo Ribalda (3):
      media: uvcvideo: Do not mark valid metadata as invalid
      media: Documentation: Add note about UVCH length field
      media: uvcvideo: Introduce V4L2_META_FMT_UVC_CUSTOM

 .../userspace-api/media/v4l/meta-formats.rst       |  1 +
 .../userspace-api/media/v4l/metafmt-uvc-custom.rst | 30 ++++++++++++++++
 .../userspace-api/media/v4l/metafmt-uvc.rst        |  4 ++-
 MAINTAINERS                                        |  1 +
 drivers/media/usb/uvc/uvc_metadata.c               | 40 ++++++++++++++++++----
 drivers/media/usb/uvc/uvc_video.c                  | 12 +++----
 drivers/media/v4l2-core/v4l2-ioctl.c               |  1 +
 include/uapi/linux/videodev2.h                     |  1 +
 8 files changed, 77 insertions(+), 13 deletions(-)
---
base-commit: 36cef585e2a31e4ddf33a004b0584a7a572246de
change-id: 20250226-uvc-metadata-2e7e445966de

Best regards,
-- 
Ricardo Ribalda <ribalda@...omium.org>