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Dummy codec register were initially added while populating dummy codec mixer controls until module topology parser was available. Now, these dummy registers are nowhere used and thus can be safely removed. Since ASoC framework requires a valid callback for both read & write register APIS, currently empty placeholders are kept to avoid panic. Later, register mapping logic can be defined: 1. Assuming fixed number of maximum modules connected and register bits corresponds to basic info of each module OR 2. With a logic to dynamically grow register_cache_size based on codec modules added/removed. Signed-off-by: Vaibhav Agarwal <vaibhav.agarwal@linaro.org> Signed-off-by: Vaibhav Agarwal <vaibhav.sr@gmail.com> Acked-by: Mark Greer <mgreer@animalcreek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.