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The INA230 has an Alert pin which is asserted when the alert function selected in the Mask/Enable register exceeds the value programmed into the Alert Limit register. Assertion is based on the Alert Polarity Bit (APOL, bit 1 of the Mask/Enable register). It is default set to value 0 i.e Normal (active-low open collector). However, hardware can be designed in such a way that expects Alert pin to become active high if a user-defined threshold in Alert limit register has been exceeded. This patch adds a way to pass alert polarity value to the driver via device tree. Signed-off-by: Amna Waseem <Amna.Waseem@axis.com> Link: https://lore.kernel.org/r/20240611-apol-ina2xx-fix-v4-2-8df1d2282fc5@axis.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> |
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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 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.