[PATCH v3 0/4] media: uvcvideo: live pan/tilt/zoom readback on OBSBOT Tiny 2 and Tail 2

[Michael Jordan <jordan.mymail@gmail.com>]

The OBSBOT Tiny 2 and Tail 2 clear the AUTOUPDATE bit in GET_INFO for
their pan/tilt and zoom controls, so uvcvideo caches them and userspace
never sees the live values. This series reports AUTO_UPDATE controls as
volatile, extends the XU flags fixup table to all controls, and adds
entries for the two cameras.

Changes in v3:
- Add Assisted-by tags.
- Shorten the commit messages, patch 2 in particular (Laurent).
- Patch 3: move the table comment into the commit message (Laurent);
  mention that the device sends no control change events. Kept
  Ricardo's Reviewed-by, as the code change is only the comment removal.
- New patch 4: the same fixup for the OBSBOT Tail 2 (Hans, Ricardo).
- Picked up Hans' Reviewed-by on patches 1 and 2.
- Rebased on media/next.

v2: https://lore.kernel.org/linux-media/20260902002553.34839-1-jordan.mymail@gmail.com/

Michael Jordan (4):
  media: uvcvideo: report AUTO_UPDATE controls as volatile
  media: uvcvideo: generalise the XU flags fixup to all controls
  media: uvcvideo: fix up missing AUTO_UPDATE on the OBSBOT Tiny 2
  media: uvcvideo: fix up missing AUTO_UPDATE on the OBSBOT Tail 2

 drivers/media/usb/uvc/uvc_ctrl.c | 126 +++++++++++++++++++++----------
 1 file changed, 85 insertions(+), 41 deletions(-)

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2.43.0