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b4dc4e139b
This patch required lots of research and work. The existing atomisp driver at staging assumed that all Intel PMIC would be using regulators, but upstream didn't follow it. Instead, the intel_pmic.c driver added a hack, instead of using i2c_transfer, it writes I2C values directly via regmapped registers. Oh, well... At least, it provided a common API for doing that. The PMIC settings used here came from the driver at the yocto Aero distribution: https://download.01.org/aero/deb/pool/main/l/linux-4.4.76-aero-1.3/ The logic itself was re-written, in order to use the I2C address detected by the probing part. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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.