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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2017-08-16 14:20:18 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-08-27 13:11:11 +0200 |
| commit | 3cdb977ec878b23eb6e3380d262985b6a7c93c54 (patch) | |
| tree | 7dd03137acfd1f8ee8c3a81fd9991a4b2713d49c /Documentation/media/kapi | |
| parent | media: dvb-frontends/stv0367: remove QAM_AUTO from ddb_fe_ops (diff) | |
| download | linux-3cdb977ec878b23eb6e3380d262985b6a7c93c54.tar.xz linux-3cdb977ec878b23eb6e3380d262985b6a7c93c54.zip | |
media: docs-rst: media: Document broken frame handling in stream stop for CSI-2
Some CSI-2 transmitters will finish an ongoing frame whereas others will
not. Document that receiver drivers should not assume a particular
behaviour but to work in both cases.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/kapi')
| -rw-r--r-- | Documentation/media/kapi/csi2.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/media/kapi/csi2.rst b/Documentation/media/kapi/csi2.rst index e33fcb967922..0560100efca2 100644 --- a/Documentation/media/kapi/csi2.rst +++ b/Documentation/media/kapi/csi2.rst @@ -51,6 +51,16 @@ not active. Some transmitters do this automatically but some have to be explicitly programmed to do so, and some are unable to do so altogether due to hardware constraints. +Stopping the transmitter +^^^^^^^^^^^^^^^^^^^^^^^^ + +A transmitter stops sending the stream of images as a result of +calling the ``.s_stream()`` callback. Some transmitters may stop the +stream at a frame boundary whereas others stop immediately, +effectively leaving the current frame unfinished. The receiver driver +should not make assumptions either way, but function properly in both +cases. + Receiver drivers ---------------- |