The note at the start of the Codec Control Reference section was changed to explain the prefix naming change. Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> --- .../userspace-api/media/v4l/ext-ctrls-codec.rst | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 34884a785d76..528b97c989c7 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -11,10 +11,13 @@ the generic controls, then controls specific for certain hardware. .. note:: - These controls are applicable to all codecs and not just MPEG. The - defines are prefixed with V4L2_CID_MPEG/V4L2_MPEG as the controls - were originally made for MPEG codecs and later extended to cover all - encoding formats. + Originally these defines, enum names and struct names were prefixed with + V4L2_CID_MPEG/V4L2_MPEG/v4l2_mpeg instead of + V4L2_CID_CODEC/V4L2_CODEC/v4l2_codec as the codec controls were initially + made for just the MPEG codec and only later extended to cover more codecs. + + The old names are still available to prevent breaking existing code and the + ``v4l2-controls.h`` header redefines them to the new names. Generic Codec Controls -- 2.30.1
