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doc-rst: dev-osd: Fix some issues due to conversion

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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>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-04 18:01:04 -03:00
parent 471e5602cf
commit 498e9f3bd1
1 changed files with 3 additions and 2 deletions
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5
Documentation/linux_tv/media/v4l/dev-osd.rst
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@ -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>