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| author |   Sakari Ailus <sakari.ailus@linux.intel.com> | 2016-10-18 11:15:32 -0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-16 13:29:44 -0200 |
| commit | 708f48e76d6de7a90e583e2b1e6b54be1a53cc1b (patch) | |
| tree | e2cdd148abcfac520c4cea30343997c3e63cadf1 /include/media | |
| parent | [media] st-hva: fix a copy-and-paste variable name error (diff) | |
| download | linux-dev-708f48e76d6de7a90e583e2b1e6b54be1a53cc1b.tar.xz linux-dev-708f48e76d6de7a90e583e2b1e6b54be1a53cc1b.zip | |
[media] v4l: Document that m2m devices have a file handle specific context
Memory-to-memory V4L2 devices all have file handle specific context.
Say this in the API documentation so that the user space may rely on it
being the case.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-mem2mem.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index 1b355344c804..3ccd01bd245e 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -90,6 +90,9 @@ struct v4l2_m2m_queue_ctx { * %TRANS_QUEUED, %TRANS_RUNNING and %TRANS_ABORT. * @finished: Wait queue used to signalize when a job queue finished. * @priv: Instance private data + * + * The memory to memory context is specific to a file handle, NOT to e.g. + * a device. */ struct v4l2_m2m_ctx { /* optional cap/out vb2 queues lock */ |