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libcamera: Fix documentation of buffer allocation/export functions

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The V4L2VideoDevice::exportBuffers(),
PipelineHandler::exportFrameBuffers() and
FrameBufferAllocator::allocate() functions all return the number of
allocated buffers on success, but are documented as returning 0 in that
case. Fix their documentation.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart
2020-01-20 13:24:50 +02:00
parent 667f53b522
commit ce2ea24fb4
3 changed files with 8 additions and 9 deletions
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3
src/libcamera/pipeline_handler.cpp
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@@ -316,7 +316,8 @@ const ControlInfoMap &PipelineHandler::controls(Camera *camera)
*
* The only intended caller is the FrameBufferAllocator helper.
*
* \return 0 on success or a negative error code otherwise
* \return The number of allocated buffers on success or a negative error code
* otherwise
*/
/**