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9b33a4fc50
Add KUnit test cases for the caching of control content. The test cases can be divided into four groups: 1) The cache is correctly initialized when the firmware is first downloaded. 2) Reads return the correct data. 3) Writes update the registers and cache. 4) If a value has been written to the control it is retained in the cache and written out to the registers when the firmware is started. There are multiple test suites to cover: - V1 and V2 format files on 16-bit and 32-bit ADSP2. - V3 format files on Halo Core DSPs. V1 format files, and some V2 format files, didn't provide access flags for the controls. There are a couple of test cases for unspecified flags to ensure backwards compatibility with the original implementation of these older firmware versions. The obsolete V0 format does not have controls, so no testing of that format is needed. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20241212143725.1381013-9-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@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.