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It is possible to use the AD2S1210 with hardwired mode pins (A0 and A1). According to the devicetree bindings, in this case the adi,fixed-mode property will specify which of the 3 possible modes the mode pins are hardwired for and the gpio-modes property is not allowed. This adds support for the case where the mode pins are hardwired for config mode. In this configuration, the position and value must be read from the config register. The case of hardwired position or velocity mode is not supported as there would be no way to configure the device. Signed-off-by: David Lechner <dlechner@baylibre.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20231016135423.16808-1-dlechner@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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 Restructured Text 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.