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Add ABI for the two halves of a para-virtualized sound driver to communicate with each other. The ABI allows implementing audio playback and capture as well as volume control and possibility to mute/unmute audio sources. Note: depending on the use-case backend can expose more sound cards and PCM devices/streams than the underlying HW physically has by employing SW mixers, configuring virtual sound streams, channels etc. Thus, allowing fine tunned configurations per frontend. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Signed-off-by: Oleksandr Grytsov <oleksandr_grytsov@epam.com> Signed-off-by: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com> Signed-off-by: Iurii Konovalenko <iurii.konovalenko@globallogic.com> Acked-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.