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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2023-10-17 12:33:59 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-12-13 13:21:20 +0100 |
| commit | 16be18d71cc79738ff1b3c186dd49f8f7e06aa75 (patch) | |
| tree | f392b36680f52c7e4bf95e0fd9082453eaeb65b7 /Documentation/driver-api/media | |
| parent | media: Documentation: BT.601 is not a bus (diff) | |
| download | linux-16be18d71cc79738ff1b3c186dd49f8f7e06aa75.tar.xz linux-16be18d71cc79738ff1b3c186dd49f8f7e06aa75.zip | |
media: Documentation: LP-11 and LP-111 are states, not modes
LP-11 and LP-111 are CSI-2 bus states, not modes. Fix this.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'Documentation/driver-api/media')
| -rw-r--r-- | Documentation/driver-api/media/tx-rx.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst index 7c70b9d10634..29d66a47b56e 100644 --- a/Documentation/driver-api/media/tx-rx.rst +++ b/Documentation/driver-api/media/tx-rx.rst @@ -91,8 +91,8 @@ where pixel rate on the camera sensor's pixel array which is indicated by the :ref:`V4L2_CID_PIXEL_RATE <v4l2-cid-pixel-rate>` control. -LP-11 and LP-111 modes -^^^^^^^^^^^^^^^^^^^^^^ +LP-11 and LP-111 states +^^^^^^^^^^^^^^^^^^^^^^^ As part of transitioning to high speed mode, a CSI-2 transmitter typically briefly sets the bus to LP-11 or LP-111 state, depending on the PHY. This period @@ -106,7 +106,7 @@ in software, especially when there is no interrupt telling something is happening. One way to address this is to configure the transmitter side explicitly to LP-11 -or LP-111 mode, which requires support from the transmitter hardware. This is +or LP-111 state, which requires support from the transmitter hardware. This is not universally available. Many devices return to this state once streaming is stopped while the state after power-on is LP-00 or LP-000. @@ -117,11 +117,11 @@ transitioning to streaming state, but not yet start streaming. Similarly, the to call ``.post_streamoff()`` for each successful call of ``.pre_streamon()``. In the context of CSI-2, the ``.pre_streamon()`` callback is used to transition -the transmitter to the LP-11 or LP-111 mode. This also requires powering on the +the transmitter to the LP-11 or LP-111 state. This also requires powering on the device, so this should be only done when it is needed. -Receiver drivers that do not need explicit LP-11 or LP-111 mode setup are waived -from calling the two callbacks. +Receiver drivers that do not need explicit LP-11 or LP-111 state setup are +waived from calling the two callbacks. Stopping the transmitter ^^^^^^^^^^^^^^^^^^^^^^^^ |