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libcamera: v4l2_videodevice: Log buffer count on allocation error

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Log the actual and requested buffers count in case of a V4L2 buffers
allocation error, when the requested buffers count could not be
allocated.

Signed-off-by: Sven Püschel <s.pueschel@pengutronix.de>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Sven Püschel 2025-05-09 14:57:46 +02:00 • committed by Laurent Pinchart
parent a799415017
commit fabfdd8559
1 changed files with 2 additions and 1 deletions
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3
src/libcamera/v4l2_videodevice.cpp
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@ -1326,7 +1326,8 @@ int V4L2VideoDevice::requestBuffers(unsigned int count,
if (rb.count < count) {
LOG(V4L2, Error)
<< "Not enough buffers provided by V4L2VideoDevice";
<< "Not enough buffers provided by V4L2VideoDevice. Wanted "
<< count << ", got " << rb.count;
requestBuffers(0, memoryType);
return -ENOMEM;
}