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Set STM32 ADC2 as a consumer of BSEC on STM32MP15, to retrieve vrefint calibration data saved in OTP. During the calibration process vrefp is set to 3.3V and the data acquired is saved to the OTP. This data is used by the ADC driver to calculated the actual value of vrefp according to the formula: vrefp = 3.3 x vrefint_cal / vrefint_data The vrefint channel provides the actual value of vrefp, which can be used to correct ADC acquisition data. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com> |
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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.