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Cezary Rojewski
f38d4c72cb
HDAudio implementation found in sound/pci/hda expects a valid stream pointer in substream->runtime->private_data location. For ASoC users, that should point to a valid link stream which is assigned when BE opens. As BE borrows its runtime from FE, the information may be lost when reparenting comes into picture - see dpcm_be_reparent(). To support the DPCM reparenting functionality for HDAudio scenarios while still fulfilling expectations of HDAudio common code, have all FEs point to the same private data. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20221118113052.1340593-1-cezary.rojewski@intel.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.