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LAB and IBB regulators can be current-limited by setting the appropriate registers, but this operation is granted only after sending an unlock code for secure access. Besides the secure access, it would be possible to use the regmap helper for get_current_limit, as there is no security blocking reads, but I chose not to as to avoid having a very big array containing current limits, especially for IBB. That said, these regulators support current limiting for: - LAB (pos): 200-1600mA, with 200mA per step (8 steps), - IBB (neg): 0-1550mA, with 50mA per step (32 steps). Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> Link: https://lore.kernel.org/r/20210119174421.226541-3-angelogioacchino.delregno@somainline.org Signed-off-by: Mark Brown <broonie@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.