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In some cases, multiple FE components have the same BE component in their respective DPCM paths. One such example would be a mixer component, which can receive two or more inputs and sends a mixed output. In such cases, to avoid reconfiguration of already active DAI (mixer output DAI in this case), check the BE stream state to filter out the redundancy. In summary, allow connection of BE if the respective current stream state is either NEW or CLOSED. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Link: https://lore.kernel.org/r/1631551342-25469-2-git-send-email-spujar@nvidia.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 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.