Commit 498e9f3b authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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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: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 471e5602
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+3 −2
Original line number Diff line number Diff line
@@ -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>