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Current ASoC CPU:Codec = N:M connection is using connection mapping idea, but it is used for N < M case only. We want to use it for any case. By this patch, not only N:M connection, but all existing connection (1:1, 1:N, N:N) will use same connection mapping. Then, because it will use default mapping, no conversion patch is needed to exising drivers. More over, CPU:Codec = N:M (N > M) also supported in the same time. ch_maps array will has CPU/Codec index by this patch. Image CPU0 <---> Codec0 CPU1 <-+-> Codec1 CPU2 <-/ ch_map ch_map[0].cpu = 0 ch_map[0].codec = 0 ch_map[1].cpu = 1 ch_map[1].codec = 1 ch_map[2].cpu = 2 ch_map[2].codec = 1 Link: https://lore.kernel.org/r/87fs6wuszr.wl-kuninori.morimoto.gx@renesas.com Link: https://lore.kernel.org/r/878r7yqeo4.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Tested-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/87ttpq4f2c.wl-kuninori.morimoto.gx@renesas.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.