linux-kernel - [PATCH v4 0/4] media: uvcvideo: Introduce V4L2_META_FMT_UVC_MSXU_1

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Message-Id: <20250403-uvc-meta-v4-0-877aa6475975@chromium.org>
Date: Thu, 03 Apr 2025 21:31:23 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 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 v4 0/4] media: uvcvideo: Introduce
 V4L2_META_FMT_UVC_MSXU_1_5 + 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 v4:
- Rename format to V4L2_META_FMT_UVC_MSXU_1_5 (Thanks Mauro)
- Flag the new format with a quirk.
- Autodetect MSXU devices.
- Link to v3: https://lore.kernel.org/linux-media/20250313-uvc-metadata-v3-0-c467af869c60@chromium.org/

Changes in v3:
- Fix doc syntax errors.
- Link to v2: https://lore.kernel.org/r/20250306-uvc-metadata-v2-0-7e939857cad5@chromium.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 (4):
      media: uvcvideo: Do not mark valid metadata as invalid
      media: Documentation: Add note about UVCH length field
      media: uvcvideo: Introduce V4L2_META_FMT_UVC_MSXU_1_5
      media: uvcvideo: Auto-set UVC_QUIRK_MSXU_META

 .../userspace-api/media/v4l/meta-formats.rst       |  1 +
 .../media/v4l/metafmt-uvc-msxu-1-5.rst             | 23 ++++++
 .../userspace-api/media/v4l/metafmt-uvc.rst        |  4 +-
 MAINTAINERS                                        |  1 +
 drivers/media/usb/uvc/uvc_metadata.c               | 96 ++++++++++++++++++++--
 drivers/media/usb/uvc/uvc_video.c                  | 12 +--
 drivers/media/usb/uvc/uvcvideo.h                   |  1 +
 drivers/media/v4l2-core/v4l2-ioctl.c               |  1 +
 include/linux/usb/uvc.h                            |  3 +
 include/uapi/linux/videodev2.h                     |  1 +
 10 files changed, 130 insertions(+), 13 deletions(-)
---
base-commit: 4e82c87058f45e79eeaa4d5bcc3b38dd3dce7209
change-id: 20250403-uvc-meta-e556773d12ae

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