On 03/10/2014 01:40 PM, Hans Verkuil wrote:
> Currently the VIDIOC_SUBDEV_G/S_EDID and struct v4l2_subdev_edid are subdev
> APIs. However, that's in reality quite annoying since for simple video
> pipelines there is no need to create v4l-subdev device nodes for anything
> else except for setting or getting EDIDs.
>
> What happens in practice is that v4l2 bridge drivers add explicit support
> for VIDIOC_SUBDEV_G/S_EDID themselves, just to avoid having to create
> subdev device nodes just for this.
>
> So this patch series makes the ioctls available as regular ioctls as
> well. In that case the pad field is interpreted as the input or output
> index as returned by ENUMINPUT/OUTPUT.
>
> Rebased to the latest master branch, but otherwise unchanged from the
> REVIEWv1 patch series:
>
> http://www.spinics.net/lists/linux-media/msg74022.html
Please note that the first patch is also part of a 3.14 patch series I just
posted. It's a fix that should go to 3.14 as well IMHO.
Regards,
Hans
>
> Regards,
>
> Hans
>
> The following changes since commit f2d7313534072a5fe192e7cf46204b413acef479:
>
> [media] drx-d: add missing braces in drxd_hard.c:DRXD_init (2014-03-09
> 09:20:50 -0300)
>
> are available in the git repository at:
>
> git://linuxtv.org/hverkuil/media_tree.git edid
>
> for you to fetch changes up to 66090d7c5b127fa4a461394261c50ca2364a286a:
>
> DocBook v4l2: update the G/S_EDID documentation (2014-03-10 13:36:29 +0100)
>
> ----------------------------------------------------------------
> Hans Verkuil (5):
> v4l2-compat-ioctl32: fix wrong VIDIOC_SUBDEV_G/S_EDID32 support.
> v4l2: allow v4l2_subdev_edid to be used with video nodes
> v4l2: add VIDIOC_G/S_EDID support to the v4l2 core.
> adv*: replace the deprecated v4l2_subdev_edid by v4l2_edid.
> DocBook v4l2: update the G/S_EDID documentation
>
> Documentation/DocBook/media/v4l/v4l2.xml
> | 2 +-
> Documentation/DocBook/media/v4l/{vidioc-subdev-g-edid.xml =>
> vidioc-g-edid.xml} | 36 +++++++++++++++++++++++-------------
> drivers/media/i2c/ad9389b.c
> | 2 +-
> drivers/media/i2c/adv7511.c
> | 2 +-
> drivers/media/i2c/adv7604.c
> | 4 ++--
> drivers/media/i2c/adv7842.c
> | 4 ++--
> drivers/media/v4l2-core/v4l2-compat-ioctl32.c
> | 32 ++++++++++++++++----------------
> drivers/media/v4l2-core/v4l2-dev.c
> | 2 ++
> drivers/media/v4l2-core/v4l2-ioctl.c
> | 16 +++++++++++++---
> drivers/media/v4l2-core/v4l2-subdev.c
> | 4 ++--
> include/media/v4l2-ioctl.h
> | 2 ++
> include/media/v4l2-subdev.h
> | 4 ++--
> include/uapi/linux/v4l2-common.h
> | 8 ++++++++
> include/uapi/linux/v4l2-subdev.h
> | 14 +++++---------
> include/uapi/linux/videodev2.h
> | 2 ++
> 15 files changed, 82 insertions(+), 52 deletions(-)
> rename Documentation/DocBook/media/v4l/{vidioc-subdev-g-edid.xml =>
> vidioc-g-edid.xml} (77%)
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