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9bc2eb6c70
This patch introduces a method to handle clk drift and compensation. e.g: /# amixer contents numid=3,iface=PCM,name='PCM Clk Compensation In PPM' ; type=INTEGER,access=rw------,values=1,min=-1000,max=1000,step=1 : values=0 /# aplay -D hw:0,0 --period-size=1024 --buffer-size=4096 -r 48000 -c 2 -f s16_le /dev/zero & /# amixer -- cset numid=3 -10 numid=3,iface=PCM,name='PCM Clk Compensation In PPM' ; type=INTEGER,access=rw------,values=1,min=-1000,max=1000,step=1 : values=-10 /# amixer -- cset numid=3 10 numid=3,iface=PCM,name='PCM Clk Compensation In PPM' ; type=INTEGER,access=rw------,values=1,min=-1000,max=1000,step=1 : values=10 Change-Id: Id8620ef942e7be20eb6ca502cc198ad97da813f1 Signed-off-by: Sugar Zhang <sugar.zhang@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.
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.