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af06e7267a
In some manufacturers, we have found that the i2c clk/data pullup power is disabled when the system is shutdown or suspended, As a result, the first i2c communication fails when probing or resuming. Therefore, it is necessary to perform i2c communication once by default when probing or resuming. Change-Id: I0819d733ff3a6f9172c1d3bf7b8e5bf72bc52730 Signed-off-by: Weixin Zhou <zwx@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.