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[media] docs-rst: Make the CSI-2 bus initialisation documentation match reality 

Update the CSI-2 bus documentation to tell that the LP-11 mode is not
mandatory as there are transmitters that cannot be explicitly set to LP-11
mode. Instead, say that this what the transmitter drivers shall do if
possible.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Sakari Ailus 2017-03-09 07:22:11 -03:00 committed by Mauro Carvalho Chehab
parent 1c13f7aaaa
commit 30b2db3174
1 changed files with 5 additions and 4 deletions
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9
Documentation/media/kapi/csi2.rst
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@ -45,10 +45,11 @@ where
* - bits_per_sample
- Number of bits per sample.
The transmitter drivers must configure the CSI-2 transmitter to *LP-11
mode* whenever the transmitter is powered on but not active. Some
transmitters do this automatically but some have to be explicitly
programmed to do so.
The transmitter drivers must, if possible, configure the CSI-2
transmitter to *LP-11 mode* whenever the transmitter is powered on but
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.
Receiver drivers
----------------