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>
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@ -91,8 +91,8 @@ where
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pixel rate on the camera sensor's pixel array which is indicated by the
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:ref:`V4L2_CID_PIXEL_RATE <v4l2-cid-pixel-rate>` control.
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LP-11 and LP-111 modes
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^^^^^^^^^^^^^^^^^^^^^^
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LP-11 and LP-111 states
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^^^^^^^^^^^^^^^^^^^^^^^
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As part of transitioning to high speed mode, a CSI-2 transmitter typically
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briefly sets the bus to LP-11 or LP-111 state, depending on the PHY. This period
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@ -106,7 +106,7 @@ in software, especially when there is no interrupt telling something is
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happening.
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One way to address this is to configure the transmitter side explicitly to LP-11
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or LP-111 mode, which requires support from the transmitter hardware. This is
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or LP-111 state, which requires support from the transmitter hardware. This is
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not universally available. Many devices return to this state once streaming is
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stopped while the state after power-on is LP-00 or LP-000.
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@ -117,11 +117,11 @@ transitioning to streaming state, but not yet start streaming. Similarly, the
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to call ``.post_streamoff()`` for each successful call of ``.pre_streamon()``.
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In the context of CSI-2, the ``.pre_streamon()`` callback is used to transition
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the transmitter to the LP-11 or LP-111 mode. This also requires powering on the
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the transmitter to the LP-11 or LP-111 state. This also requires powering on the
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device, so this should be only done when it is needed.
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Receiver drivers that do not need explicit LP-11 or LP-111 mode setup are waived
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from calling the two callbacks.
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Receiver drivers that do not need explicit LP-11 or LP-111 state setup are
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waived from calling the two callbacks.
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Stopping the transmitter
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^^^^^^^^^^^^^^^^^^^^^^^^
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