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Message-Id: <20250605-uvc-orientation-v2-0-5710f9d030aa@chromium.org>
Date: Thu, 05 Jun 2025 17:52:53 +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>,
Hans Verkuil <hverkuil@...all.nl>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
"Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 00/12] media: uvcvideo: Add support for orientation and
rotation.
The ACPI has ways to annotate the location of a USB device. Wire that
annotation to a v4l2 control.
To support all possible devices, add a way to annotate USB devices on DT
as well. The original binding discussion happened here:
https://lore.kernel.org/linux-devicetree/20241212-usb-orientation-v1-1-0b69adf05f37@chromium.org/
The following patches are needed regardless if we finally add support
for orientation and rotation or not:
- media: uvcvideo: Always set default_value
- media: uvcvideo: Do not create MC entities for virtual entities
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
Changes in v2:
- Add support for rotation
- Rename fwnode to swentity
- Remove the patch to move the gpio file
- Remove patches already in media-committers
- Change priority of data origins
- Patch mipi-disco
- Link to v1: https://lore.kernel.org/r/20250403-uvc-orientation-v1-0-1a0cc595a62d@chromium.org
---
Ricardo Ribalda (12):
media: uvcvideo: Always set default_value
media: v4l: fwnode: Support ACPI's _PLD for v4l2_fwnode_device_parse
ACPI: mipi-disco-img: Do not duplicate rotation info into swnodes
media: ipu-bridge: Use v4l2_fwnode_device_parse helper
media: ipu-bridge: Use v4l2_fwnode for unknown rotations
dt-bindings: usb: usb-device: Add orientation and rotation
media: uvcvideo: Make uvc_alloc_entity non static
media: uvcvideo: Add support for V4L2_CID_CAMERA_ORIENTATION
media: uvcvideo: Add uvc_ctrl_query_entity helper
media: uvcvideo: Add get_* functions to uvc_entity
media: uvcvideo: Add support for V4L2_CID_CAMERA_ROTATION
media: uvcvideo: Do not create MC entities for virtual entities
.../devicetree/bindings/usb/usb-device.yaml | 10 ++
drivers/acpi/mipi-disco-img.c | 15 ---
drivers/media/pci/intel/ipu-bridge.c | 52 ++++----
drivers/media/usb/uvc/Makefile | 3 +-
drivers/media/usb/uvc/uvc_ctrl.c | 132 ++++++++++++++-------
drivers/media/usb/uvc/uvc_driver.c | 18 ++-
drivers/media/usb/uvc/uvc_entity.c | 11 ++
drivers/media/usb/uvc/uvc_swentity.c | 118 ++++++++++++++++++
drivers/media/usb/uvc/uvcvideo.h | 29 +++++
drivers/media/v4l2-core/v4l2-fwnode.c | 85 ++++++++++++-
include/linux/usb/uvc.h | 3 +
11 files changed, 377 insertions(+), 99 deletions(-)
---
base-commit: 5e1ff2314797bf53636468a97719a8222deca9ae
change-id: 20250403-uvc-orientation-5f7f19da5adb
Best regards,
--
Ricardo Ribalda <ribalda@...omium.org>
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