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The function of driver is to communicate with hifi firmware. The mu13 is dedicated for hifi communication, driver allocate a share memory for message transfer between driver and firmware. The calling sequence is that LOAD_CODEC,INIT_CODEC,CODEC_OPEN, DECODE_ONE_FRAME, CODEC_CLOSE. Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.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.