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031bdc8aee
The ad7173 family of chips has up to four calibration modes. Internal zero scale: removes ADC core offset errors. Internal full scale: removes ADC core gain errors. System zero scale: reduces offset error to the order of channel noise. System full scale: reduces gain error to the order of channel noise. All voltage channels will undergo an internal zero/full scale calibration at bootup. System zero/full scale can be done after bootup using the newly created iio interface 'sys_calibration' and 'sys_calibration_mode' Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> Link: https://patch.msgid.link/20241202-ad411x_calibration-v3-1-beb6aeec39e2@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 reStructuredText 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.