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[PATCH/RFC v3 0/3] JPEG codecs control class


this patch set adds new control class - V4L2_CID_JPEG_CLASS initially
containing four controls. It also adds V4L2_CID_JPEG_COMPRESSION_QUALITY
control to zc3xx gspca sub-device. The gspca patch has been tested with
v4l2ucp and v4l2-ctl.

The initial RFC can be found at

Changes since v2:
 - improved gspca/z3cxx patch according Jef's comments;
 - removed patch adding jpeg quality control to gspca/sonixj;
 - patches 1/3, 2/3 are unchanged;

Changes since v1:
 - removed trailing 'S' from V4L2_CID_JPEG_ACTIVE_MARKERS;
   definitions as these are normally controlled by higher level compression
   attributes and shouldn't be allowed to be discarded independently;


Sylwester Nawrocki (3):
  V4L: Add JPEG compression control class
  V4L: Add JPEG compression control class documentation
  gspca: zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support

 Documentation/DocBook/media/v4l/biblio.xml         |   20 +++
 Documentation/DocBook/media/v4l/compat.xml         |   10 ++
 Documentation/DocBook/media/v4l/controls.xml       |  161 ++++++++++++++++++++
 Documentation/DocBook/media/v4l/v4l2.xml           |    9 +
 .../DocBook/media/v4l/vidioc-g-jpegcomp.xml        |   16 ++-
 drivers/media/video/gspca/zc3xx.c                  |   45 ++++--
 drivers/media/video/v4l2-ctrls.c                   |   24 +++
 include/linux/videodev2.h                          |   24 +++
 8 files changed, 292 insertions(+), 17 deletions(-)


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