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| author |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-04 18:01:04 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-04 18:01:04 -0300 |
| commit | 498e9f3bd15fe75fa47ab25e29ab3e31982fac87 (patch) | |
| tree | 8ea673d30c12e38a5229a9b21178b59c55c1153c | |
| parent | doc-rst: dev-overlay: Fix conversion issues (diff) | |
doc-rst: dev-osd: Fix some issues due to conversion
The conversion to ReST broke a minor things. Fix them.
While here, also make EBUSY constant, just like on other places.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
| -rw-r--r-- | Documentation/linux_tv/media/v4l/dev-osd.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/linux_tv/media/v4l/dev-osd.rst b/Documentation/linux_tv/media/v4l/dev-osd.rst index 6a6ead6df54d..b9b53fd7eb5d 100644 --- a/Documentation/linux_tv/media/v4l/dev-osd.rst +++ b/Documentation/linux_tv/media/v4l/dev-osd.rst @@ -6,8 +6,8 @@ Video Output Overlay Interface ****************************** - **Also known as On-Screen Display (OSD)** + Some video output devices can overlay a framebuffer image onto the outgoing video signal. Applications can set up such an overlay using this interface, which borrows structures and ioctls of the @@ -48,10 +48,11 @@ the ``linux/fb.h`` header file. The width and height of the framebuffer depends on the current video standard. A V4L2 driver may reject attempts to change the video standard (or any other ioctl which would imply a framebuffer size change) with an -EBUSY error code until all applications closed the framebuffer device. +``EBUSY`` error code until all applications closed the framebuffer device. .. code-block:: c + :caption: Example 4.1. Finding a framebuffer device for OSD #include <linux/fb.h> |