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e81268ce6a
If the referenced regulator is a dummy, the voltage is invalid, but someone doesn't need the voltage, just need the adc value, so don't return fail at probe when the regulator is dummy. If he wants the voltage, configures the actual referenced regulator at dts. Change-Id: I8eaecc1a8e7e57c3a87aa69b9b852735bf4a025a Signed-off-by: David Wu <david.wu@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.