This patch series adds support for the Pinefeat adapter, which interfaces
Canon EF and EF-S lenses to non-Canon camera bodies. The cef168 circuit
control board provides an I2C interface for electronic focus and aperture
control. The driver integrates with the V4L2 sub-device API.

For more information about the product, see:
https://github.com/pinefeat/cef168

Changes in v3:
 - removed vcc-supply property and example
 - fixed incorrect type in assignment
 - fixed cast to restricted
 - removed unreachable code
 - changed comparison to NULL
 - fixed indent in commit message

Link to v2: https://lore.kernel.org/all/20250811213102.15703-1-aliaksandr.smirnou@gmail.com/

Patches:
  dt-bindings: Pinefeat cef168 lens control board
  media: i2c: Pinefeat cef168 lens control board driver

 .../bindings/media/i2c/pinefeat,cef168.yaml   |  48 +++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 MAINTAINERS                                   |   8 +
 drivers/media/i2c/Kconfig                     |   8 +
 drivers/media/i2c/Makefile                    |   1 +
 drivers/media/i2c/cef168.c                    | 335 ++++++++++++++++++
 drivers/media/i2c/cef168.h                    |  51 +++
 7 files changed, 453 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/pinefeat,cef168.yaml
 create mode 100644 drivers/media/i2c/cef168.c
 create mode 100644 drivers/media/i2c/cef168.h


base-commit: 2b38afce25c4e1b8f943ff4f0a2b51d6c40f2ed2
-- 
2.34.1