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Use Amixer or tinymixer to set tx & rx lrck and resample rate firstly. Example: amixer -c 0 sset "ASRC0 RX LINK DAI Select" "SAI0" amixer -c 0 sset "ASRC0 TX LINK DAI Select" "MEM" arecord -D hw:0,1 --period-size=1024 --buffer-size=4096 -r 48000 -c 2 -f s16_le /mnt/r.wav Change-Id: If33f120896f0e5599699ce3081bc7a874055fdb2 Signed-off-by: Jason Zhu <jason.zhu@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.