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1e770b0a29
Introduce a codec driver to control a remote audio dsp chip by spi. This patch is running on a rk3588 board with rk3308 adsp board, while the rk3308 actually is a SoC without a slave spi controller, so the rk3588 needs connect to rk3308 by spi. Currently, the host(rk3588) uses the audiocontrol to set volume to the adsp. Change-Id: Ia07e9def78cfe7441dc03c97124f0532bc9d72bc Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Jun Zeng <jun.zeng@rock-chips.com>
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.