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eff57d38b546b3a50588e447a41ff3571a407c9f
Based on the board schematics at https://dl.radxa.com/rockpi4/docs/hw/rockpi4/rockpi_4c_v12_sch_20200620.pdf on page 14: Only two channels of I2S are connected and the extra I2S pins are in conflict with other functions like USB power. Signed-off-by: Vicente Bergas <vicencb@gmail.com> Link: https://lore.kernel.org/r/20201201154132.1286-3-vicencb@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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.
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