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353bdd7d14
For a setup where the matrix keypad is connected over a slow interface (e.g. a gpio-expansion over i2c), the scan can take a longer time to read. Interrupts need to be disabled during scan. And therefore changes in this period are not detected. To improve this situation, scan the matrix again if the row state changed during interrupts disabled. The rescan is repeated until no change is detected anymore. Signed-off-by: Markus Burri <markus.burri@mt.com> Link: https://lore.kernel.org/r/20250226152843.43932-4-markus.burri@mt.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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| README | ||
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.