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If a driver calls (_)vb2_fop_release(), then such a driver should also call vb2_video_unregister_device() instead of video_unregister_device(). This helper will call vb2_queue_release() if a filehandle is marked as owner of the queue. This ensures that at unregister time any streaming is cancelled and all buffers are returned to userspace. This is very useful for complex drivers since this stops all streaming in all subdevs in the pipeline controlled by this video device. Otherwise this would be delayed until the owner filehandle is closed, which can be quite some time later. Bonus points for ordering the includes :-) Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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| .. | ||
| b2c2 | ||
| saa7146 | ||
| siano | ||
| v4l2-tpg | ||
| videobuf2 | ||
| btcx-risc.h | ||
| cx2341x.c | ||
| cypress_firmware.c | ||
| cypress_firmware.h | ||
| Kconfig | ||
| Makefile | ||
| tveeprom.c | ||