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The codec's clock input is shared among all AIFs, and shared with other audio-related hardware in the SoC, including I2S and SPDIF controllers. To ensure sample rates selected by userspace or by codec2codec DAI links are maintained, the clock rate must be protected while it is in use. Signed-off-by: Samuel Holland <samuel@sholland.org> Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20201014061941.4306-13-samuel@sholland.org 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 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.