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The driver uses a static CSI-2 virtual channel mapping where all virtual
channels from an RX port are mapped to a virtual channel number matching
the RX port number.
The UB960 and UB9702 have different registers for the purpose, and the
UB9702 version is not correct. Each of the VC_ID_MAP registers do not
contain a single mapping, as the driver currently thinks, but two.
This can cause received VCs other than 0 to be mapped in a wrong way.
Fix this by writing both mappings to each register.
Cc: stable@vger.kernel.org
Fixes: afe267f2d3 ("media: i2c: add DS90UB960 driver")
Reviewed-by: Jai Luthra <jai.luthra@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.